diff options
| author | Praneeth Bajjuri <praneeth@ti.com> | 2015-02-03 15:45:57 -0600 |
|---|---|---|
| committer | Praneeth Bajjuri <praneeth@ti.com> | 2015-02-03 15:45:57 -0600 |
| commit | 95b851016f79c42a9e8a824c7c81e49015c17820 (patch) | |
| tree | 61e096ff6a654315c40a00eaff682be00c50f861 | |
| parent | c73470c1da26dc543452fbff16a02beb62fec938 (diff) | |
| parent | 94953719b7d459c72eede4a0164d49dfcfc76a94 (diff) | |
Merge branch 'p-ti-linux-3.14.y-android' of git://git.omapzoom.org/kernel/omap into p-ti-linux-3.14.y-android
* 'p-ti-linux-3.14.y-android' of git://git.omapzoom.org/kernel/omap: (216 commits)
usb: dwc3: debugfs: dual role switch through debugfs entries
ARM: DRA7: dts: Add coprocessor nodes for iva
remoteproc/pruss: fix shutdown for manually booted PRU cores
remoteproc/pruss: fix the cleanup path in pru_rproc_probe()
UAPI: Increasing the max FRAME number to 128.
gpio: mcp23s08: Set initial direction and value from DT
firmware: Load VPDMA firmware from kernel
iommu/omap: Fix a sleeping function invocation in atomic context bug
media: ti-vpe: vpe: Add RGB565 and RGB5551 support
media: ti-vpe: vpe: Post next descriptor only for list complete IRQ
media: ti-vpe: vpe: Setup srcdst parameters in streamON
omapdrm: Expose the OMAP pre-multiplied alpha property through DRM
omapdrm: Expose the OMAP global alpha property through DRM
ti_fragments: audio_display: enable BACKLIGHT_GPIO and PANEL_DPI
ti_fragments: audio_display: clean up
arm/dts: am57xx-evm: Add LCD support
backlight: gpio-backlight: Add DT support
arm/dts: dra7xx: fix display compatible strings
OMAPDSS: add missing 'omapdss' prefixes to display drivers
OMAPDSS: add dra7-dss to dt conversion list
...
Signed-off-by: Praneeth Bajjuri <praneeth@ti.com>
327 files changed, 4823 insertions, 1586 deletions
diff --git a/Documentation/devicetree/bindings/pinctrl/ti,iodelay-pinctrl.txt b/Documentation/devicetree/bindings/pinctrl/ti,iodelay-pinctrl.txt new file mode 100644 index 00000000000..e12f4e5a3f2 --- /dev/null +++ b/Documentation/devicetree/bindings/pinctrl/ti,iodelay-pinctrl.txt @@ -0,0 +1,86 @@ +Texas Instruments I/O Delay module configuration pinctrl definition + +Used in conjunction with Documentation/devicetree/bindings/pinctrl/ti,omap-pinctrl.txt + +Required Properties: +- compatible: Should be: + "ti,dra7-iodelay" - I/O delay configuration for DRA7 +- reg - must be the register address range of IODelay module +- #address-cells = <1>; +- #size-cells = <0>; + +Important note: Use of "ti,dra7-iodelay" compatible definition need to be +carefully evaluated due to the expectation of glitch during configuration. + +Example: + +dra7_iodelay_core: padconf@4844a000 { + compatible = "ti,dra7-iodelay"; + reg = <0x4844a000 0x0d1c>; + #address-cells = <1>; + #size-cells = <0>; +}; + +Configuration definition follows similar model as the pinctrl-single: +The groups of pin configuration are defined under "pinctrl-single,pins" + +&dra7_iodelay_core { + mmc2_iodelay_3v3_conf: mmc2_iodelay_3v3_conf { + pinctrl-single,pins = < + 0x18c (A_DELAY(0) | G_DELAY(120)) /* CFG_GPMC_A19_IN */ + 0x1a4 (A_DELAY(265) | G_DELAY(360)) /* CFG_GPMC_A20_IN */ + 0x1b0 (A_DELAY(0) | G_DELAY(120)) /* CFG_GPMC_A21_IN */ + 0x1bc (A_DELAY(0) | G_DELAY(120)) /* CFG_GPMC_A22_IN */ + 0x1c8 (A_DELAY(287) | G_DELAY(420)) /* CFG_GPMC_A23_IN */ + 0x1d4 (A_DELAY(144) | G_DELAY(240)) /* CFG_GPMC_A24_IN */ + 0x1e0 (A_DELAY(0) | G_DELAY(0)) /* CFG_GPMC_A25_IN */ + 0x1ec (A_DELAY(120) | G_DELAY(0)) /* CFG_GPMC_A26_IN */ + 0x1f8 (A_DELAY(120) | G_DELAY(180)) /* CFG_GPMC_A27_IN */ + 0x360 (A_DELAY(0) | G_DELAY(0)) /* CFG_GPMC_CS1_IN */ + >; + }; +}; + +Usage in conjunction with pinctrl single: + +For a complete description of the pins both the regular muxing as well as the +iodelay configuration is necessary. For example: + +&dra7_pmx_core { + mmc2_pins_default: mmc2_pins_default { + pinctrl-single,pins = < + 0x9c (PIN_INPUT_PULLUP | MANUAL_MODE | MUX_MODE1) /* gpmc_a23.mmc2_clk */ + 0xb0 (PIN_INPUT_PULLUP | MANUAL_MODE | MUX_MODE1) /* gpmc_cs1.mmc2_cmd */ + 0xa0 (PIN_INPUT_PULLUP | MANUAL_MODE | MUX_MODE1) /* gpmc_a24.mmc2_dat0 */ + 0xa4 (PIN_INPUT_PULLUP | MANUAL_MODE | MUX_MODE1) /* gpmc_a25.mmc2_dat1 */ + 0xa8 (PIN_INPUT_PULLUP | MANUAL_MODE | MUX_MODE1) /* gpmc_a26.mmc2_dat2 */ + 0xac (PIN_INPUT_PULLUP | MANUAL_MODE | MUX_MODE1) /* gpmc_a27.mmc2_dat3 */ + 0x8c (PIN_INPUT_PULLUP | MANUAL_MODE | MUX_MODE1) /* gpmc_a19.mmc2_dat4 */ + 0x90 (PIN_INPUT_PULLUP | MANUAL_MODE | MUX_MODE1) /* gpmc_a20.mmc2_dat5 */ + 0x94 (PIN_INPUT_PULLUP | MANUAL_MODE | MUX_MODE1) /* gpmc_a21.mmc2_dat6 */ + 0x98 (PIN_INPUT_PULLUP | MANUAL_MODE | MUX_MODE1) /* gpmc_a22.mmc2_dat7 */ + >; + }; +}; + +&dra7_iodelay_core { + mmc2_iodelay_3v3_conf: mmc2_iodelay_3v3_conf { + pinctrl-single,pins = < + 0x18c (A_DELAY(0) | G_DELAY(120)) /* CFG_GPMC_A19_IN */ + 0x1a4 (A_DELAY(265) | G_DELAY(360)) /* CFG_GPMC_A20_IN */ + 0x1b0 (A_DELAY(0) | G_DELAY(120)) /* CFG_GPMC_A21_IN */ + 0x1bc (A_DELAY(0) | G_DELAY(120)) /* CFG_GPMC_A22_IN */ + 0x1c8 (A_DELAY(287) | G_DELAY(420)) /* CFG_GPMC_A23_IN */ + 0x1d4 (A_DELAY(144) | G_DELAY(240)) /* CFG_GPMC_A24_IN */ + 0x1e0 (A_DELAY(0) | G_DELAY(0)) /* CFG_GPMC_A25_IN */ + 0x1ec (A_DELAY(120) | G_DELAY(0)) /* CFG_GPMC_A26_IN */ + 0x1f8 (A_DELAY(120) | G_DELAY(180)) /* CFG_GPMC_A27_IN */ + 0x360 (A_DELAY(0) | G_DELAY(0)) /* CFG_GPMC_CS1_IN */ + >; + }; +}; + +&mmc2 { + pinctrl-names = "default"; + pinctrl-0 = <&mmc2_pins_default &mmc2_iodelay_3v3_conf>; +}; diff --git a/Documentation/devicetree/bindings/power/coproc/ti-coproc.txt b/Documentation/devicetree/bindings/power/coproc/ti-coproc.txt new file mode 100644 index 00000000000..d60c1f2df57 --- /dev/null +++ b/Documentation/devicetree/bindings/power/coproc/ti-coproc.txt @@ -0,0 +1,35 @@ +Texas Instruments co-processor driver + +A co-processor device is a non-cpu processor found on an SoC. + +This document describes the clock and voltage configuration +used by co-processors/devices typically found on Texas Instrument SoCs. + +Required properties +- compatible: should be + "ti,coproc" +- clocks: <functional clock>, <dpll clock> + dpll clock is optional +- clock-names: "fclk", "dpll" + if you change names here, go chnage the driver too +- clock-target-frequency: Mention your target frequency here +- operating-points: all OPPs applicable for this device/coprocessor +- coproc-voltdm: phandle of the Voltage domain associated with this device/coproc +- voltage-tolerance: Specify a voltage tolerance allowed for this voltage domain +as per datamanual limits + +Example: +iva_coproc { + compatible = "ti,coproc"; + clocks = <&dpll_iva_m2_ck>, <&dpll_iva_ck>; + clock-names = "fclk", "dpll"; + clock-target-frequency = <532000000>; + operating-points = < + 388200 1055000 + 430000 1150000 + 532000 1250000 + >; + coproc-voltdm = <&voltdm_ivahd>; + voltage-tolerance = <1>; +}; + diff --git a/Documentation/devicetree/bindings/video/backlight/gpio-backlight.txt b/Documentation/devicetree/bindings/video/backlight/gpio-backlight.txt new file mode 100644 index 00000000000..321be664053 --- /dev/null +++ b/Documentation/devicetree/bindings/video/backlight/gpio-backlight.txt @@ -0,0 +1,16 @@ +gpio-backlight bindings + +Required properties: + - compatible: "gpio-backlight" + - gpios: describes the gpio that is used for enabling/disabling the backlight. + refer to bindings/gpio/gpio.txt for more details. + +Optional properties: + - default-on: enable the backlight at boot. + +Example: + backlight { + compatible = "gpio-backlight"; + gpios = <&gpio3 4 GPIO_ACTIVE_HIGH>; + default-on; + }; diff --git a/Documentation/kernel-parameters.txt b/Documentation/kernel-parameters.txt index 7116fda7077..5d91ba1606b 100644 --- a/Documentation/kernel-parameters.txt +++ b/Documentation/kernel-parameters.txt @@ -1172,6 +1172,7 @@ bytes respectively. Such letter suffixes can also be entirely omitted. i8042.notimeout [HW] Ignore timeout condition signalled by controller i8042.reset [HW] Reset the controller during init and cleanup i8042.unlock [HW] Unlock (ignore) the keylock + i8042.kbdreset [HW] Reset device connected to KBD port i810= [HW,DRM] @@ -1,6 +1,6 @@ VERSION = 3 PATCHLEVEL = 14 -SUBLEVEL = 29 +SUBLEVEL = 31 EXTRAVERSION = NAME = Remembering Coco diff --git a/arch/arc/boot/dts/nsimosci.dts b/arch/arc/boot/dts/nsimosci.dts index 398064cef74..4c169d82541 100644 --- a/arch/arc/boot/dts/nsimosci.dts +++ b/arch/arc/boot/dts/nsimosci.dts @@ -20,7 +20,7 @@ /* this is for console on PGU */ /* bootargs = "console=tty0 consoleblank=0"; */ /* this is for console on serial */ - bootargs = "earlycon=uart8250,mmio32,0xc0000000,115200n8 console=tty0 console=ttyS0,115200n8 consoleblank=0 debug"; + bootargs = "earlycon=uart8250,mmio32,0xf0000000,115200n8 console=tty0 console=ttyS0,115200n8 consoleblank=0 debug"; }; aliases { @@ -46,9 +46,9 @@ #interrupt-cells = <1>; }; - uart0: serial@c0000000 { + uart0: serial@f0000000 { compatible = "ns8250"; - reg = <0xc0000000 0x2000>; + reg = <0xf0000000 0x2000>; interrupts = <11>; clock-frequency = <3686400>; baud = <115200>; @@ -57,21 +57,21 @@ no-loopback-test = <1>; }; - pgu0: pgu@c9000000 { + pgu0: pgu@f9000000 { compatible = "snps,arcpgufb"; - reg = <0xc9000000 0x400>; + reg = <0xf9000000 0x400>; }; - ps2: ps2@c9001000 { + ps2: ps2@f9001000 { compatible = "snps,arc_ps2"; - reg = <0xc9000400 0x14>; + reg = <0xf9000400 0x14>; interrupts = <13>; interrupt-names = "arc_ps2_irq"; }; - eth0: ethernet@c0003000 { + eth0: ethernet@f0003000 { compatible = "snps,oscilan"; - reg = <0xc0003000 0x44>; + reg = <0xf0003000 0x44>; interrupts = <7>, <8>; interrupt-names = "rx", "tx"; }; diff --git a/arch/arc/include/asm/barrier.h b/arch/arc/include/asm/barrier.h deleted file mode 100644 index c32245c3d1e..00000000000 --- a/arch/arc/include/asm/barrier.h +++ /dev/null @@ -1,37 +0,0 @@ -/* - * Copyright (C) 2004, 2007-2010, 2011-2012 Synopsys, Inc. (www.synopsys.com) - * - * This program is free software; you can redistribute it and/or modify - * it under the terms of the GNU General Public License version 2 as - * published by the Free Software Foundation. - */ - -#ifndef __ASM_BARRIER_H -#define __ASM_BARRIER_H - -#ifndef __ASSEMBLY__ - -/* TODO-vineetg: Need to see what this does, don't we need sync anywhere */ -#define mb() __asm__ __volatile__ ("" : : : "memory") -#define rmb() mb() -#define wmb() mb() -#define set_mb(var, value) do { var = value; mb(); } while (0) -#define set_wmb(var, value) do { var = value; wmb(); } while (0) -#define read_barrier_depends() mb() - -/* TODO-vineetg verify the correctness of macros here */ -#ifdef CONFIG_SMP -#define smp_mb() mb() -#define smp_rmb() rmb() -#define smp_wmb() wmb() -#else -#define smp_mb() barrier() -#define smp_rmb() barrier() -#define smp_wmb() barrier() -#endif - -#define smp_read_barrier_depends() do { } while (0) - -#endif - -#endif diff --git a/arch/arc/include/asm/linkage.h b/arch/arc/include/asm/linkage.h index 66ee5527aef..5faad17118b 100644 --- a/arch/arc/include/asm/linkage.h +++ b/arch/arc/include/asm/linkage.h @@ -13,20 +13,6 @@ #define ASM_NL ` /* use '`' to mark new line in macro */ -/* Can't use the ENTRY macro in linux/linkage.h - * gas considers ';' as comment vs. newline - */ -.macro ARC_ENTRY name - .global \name - .align 4 - \name: -.endm - -.macro ARC_EXIT name -#define ASM_PREV_SYM_ADDR(name) .-##name - .size \ name, ASM_PREV_SYM_ADDR(\name) -.endm - /* annotation for data we want in DCCM - if enabled in .config */ .macro ARCFP_DATA nm #ifdef CONFIG_ARC_HAS_DCCM diff --git a/arch/arc/kernel/ctx_sw_asm.S b/arch/arc/kernel/ctx_sw_asm.S index 65690e7fcc8..e248594097e 100644 --- a/arch/arc/kernel/ctx_sw_asm.S +++ b/arch/arc/kernel/ctx_sw_asm.S @@ -10,9 +10,9 @@ * -This is the more "natural" hand written assembler */ +#include <linux/linkage.h> #include <asm/entry.h> /* For the SAVE_* macros */ #include <asm/asm-offsets.h> -#include <asm/linkage.h> #define KSP_WORD_OFF ((TASK_THREAD + THREAD_KSP) / 4) @@ -62,4 +62,4 @@ __switch_to: ld.ab blink, [sp, 4] j [blink] -ARC_EXIT __switch_to +END(__switch_to) diff --git a/arch/arc/kernel/entry.S b/arch/arc/kernel/entry.S index 6e8f83a3252..29b82adbf0b 100644 --- a/arch/arc/kernel/entry.S +++ b/arch/arc/kernel/entry.S @@ -141,7 +141,7 @@ VECTOR EV_Extension ; 0x130, Extn Intruction Excp (0x26) VECTOR reserved ; Reserved Exceptions .endr -#include <linux/linkage.h> /* ARC_{EXTRY,EXIT} */ +#include <linux/linkage.h> /* {EXTRY,EXIT} */ #include <asm/entry.h> /* SAVE_ALL_{INT1,INT2,SYS...} */ #include <asm/errno.h> #include <asm/arcregs.h> @@ -184,7 +184,7 @@ reserved: ; processor restart ; --------------------------------------------- ; Level 2 ISR: Can interrupt a Level 1 ISR ; --------------------------------------------- -ARC_ENTRY handle_interrupt_level2 +ENTRY(handle_interrupt_level2) ; TODO-vineetg for SMP this wont work ; free up r9 as scratchpad @@ -225,14 +225,14 @@ ARC_ENTRY handle_interrupt_level2 b ret_from_exception -ARC_EXIT handle_interrupt_level2 +END(handle_interrupt_level2) #endif ; --------------------------------------------- ; Level 1 ISR ; --------------------------------------------- -ARC_ENTRY handle_interrupt_level1 +ENTRY(handle_interrupt_level1) /* free up r9 as scratchpad */ #ifdef CONFIG_SMP @@ -265,7 +265,7 @@ ARC_ENTRY handle_interrupt_level1 sr r8, [AUX_IRQ_LV12] ; clear bit in Sticky Status Reg b ret_from_exception -ARC_EXIT handle_interrupt_level1 +END(handle_interrupt_level1) ;################### Non TLB Exception Handling ############################# @@ -273,7 +273,7 @@ ARC_EXIT handle_interrupt_level1 ; Instruction Error Exception Handler ; --------------------------------------------- -ARC_ENTRY instr_service +ENTRY(instr_service) EXCEPTION_PROLOGUE @@ -284,13 +284,13 @@ ARC_ENTRY instr_service bl do_insterror_or_kprobe b ret_from_exception -ARC_EXIT instr_service +END(instr_service) ; --------------------------------------------- ; Memory Error Exception Handler ; --------------------------------------------- -ARC_ENTRY mem_service +ENTRY(mem_service) EXCEPTION_PROLOGUE @@ -301,13 +301,13 @@ ARC_ENTRY mem_service bl do_memory_error b ret_from_exception -ARC_EXIT mem_service +END(mem_service) ; --------------------------------------------- ; Machine Check Exception Handler ; --------------------------------------------- -ARC_ENTRY EV_MachineCheck +ENTRY(EV_MachineCheck) EXCEPTION_PROLOGUE @@ -331,13 +331,13 @@ ARC_ENTRY EV_MachineCheck j do_machine_check_fault -ARC_EXIT EV_MachineCheck +END(EV_MachineCheck) ; --------------------------------------------- ; Protection Violation Exception Handler ; --------------------------------------------- -ARC_ENTRY EV_TLBProtV +ENTRY(EV_TLBProtV) EXCEPTION_PROLOGUE @@ -385,12 +385,12 @@ ARC_ENTRY EV_TLBProtV b ret_from_exception -ARC_EXIT EV_TLBProtV +END(EV_TLBProtV) ; --------------------------------------------- ; Privilege Violation Exception Handler ; --------------------------------------------- -ARC_ENTRY EV_PrivilegeV +ENTRY(EV_PrivilegeV) EXCEPTION_PROLOGUE @@ -401,12 +401,12 @@ ARC_ENTRY EV_PrivilegeV bl do_privilege_fault b ret_from_exception -ARC_EXIT EV_PrivilegeV +END(EV_PrivilegeV) ; --------------------------------------------- ; Extension Instruction Exception Handler ; --------------------------------------------- -ARC_ENTRY EV_Extension +ENTRY(EV_Extension) EXCEPTION_PROLOGUE @@ -417,7 +417,7 @@ ARC_ENTRY EV_Extension bl do_extension_fault b ret_from_exception -ARC_EXIT EV_Extension +END(EV_Extension) ;######################### System Call Tracing ######################### @@ -504,7 +504,7 @@ trap_with_param: ; (2) Break Points ;------------------------------------------------------------------ -ARC_ENTRY EV_Trap +ENTRY(EV_Trap) EXCEPTION_PROLOGUE @@ -534,9 +534,9 @@ ARC_ENTRY EV_Trap jl [r9] ; Entry into Sys Call Handler ; fall through to ret_from_system_call -ARC_EXIT EV_Trap +END(EV_Trap) -ARC_ENTRY ret_from_system_call +ENTRY(ret_from_system_call) st r0, [sp, PT_r0] ; sys call return value in pt_regs @@ -546,7 +546,7 @@ ARC_ENTRY ret_from_system_call ; ; If ret to user mode do we need to handle signals, schedule() et al. -ARC_ENTRY ret_from_exception +ENTRY(ret_from_exception) ; Pre-{IRQ,Trap,Exception} K/U mode from pt_regs->status32 ld r8, [sp, PT_status32] ; returning to User/Kernel Mode @@ -728,9 +728,9 @@ not_level1_interrupt: debug_marker_syscall: rtie -ARC_EXIT ret_from_exception +END(ret_from_exception) -ARC_ENTRY ret_from_fork +ENTRY(ret_from_fork) ; when the forked child comes here from the __switch_to function ; r0 has the last task pointer. ; put last task in scheduler queue @@ -747,11 +747,11 @@ ARC_ENTRY ret_from_fork ; special case of kernel_thread entry point returning back due to ; kernel_execve() - pretend return from syscall to ret to userland b ret_from_exception -ARC_EXIT ret_from_fork +END(ret_from_fork) ;################### Special Sys Call Wrappers ########################## -ARC_ENTRY sys_clone_wrapper +ENTRY(sys_clone_wrapper) SAVE_CALLEE_SAVED_USER bl @sys_clone DISCARD_CALLEE_SAVED_USER @@ -761,7 +761,7 @@ ARC_ENTRY sys_clone_wrapper bnz tracesys_exit b ret_from_system_call -ARC_EXIT sys_clone_wrapper +END(sys_clone_wrapper) #ifdef CONFIG_ARC_DW2_UNWIND ; Workaround for bug 94179 (STAR ): diff --git a/arch/arc/lib/memcmp.S b/arch/arc/lib/memcmp.S index bc813d55b6c..978bf8314df 100644 --- a/arch/arc/lib/memcmp.S +++ b/arch/arc/lib/memcmp.S @@ -6,7 +6,7 @@ * published by the Free Software Foundation. */ -#include <asm/linkage.h> +#include <linux/linkage.h> #ifdef __LITTLE_ENDIAN__ #define WORD2 r2 @@ -16,7 +16,7 @@ #define SHIFT r2 #endif -ARC_ENTRY memcmp +ENTRY(memcmp) or r12,r0,r1 asl_s r12,r12,30 sub r3,r2,1 @@ -121,4 +121,4 @@ ARC_ENTRY memcmp .Lnil: j_s.d [blink] mov r0,0 -ARC_EXIT memcmp +END(memcmp) diff --git a/arch/arc/lib/memcpy-700.S b/arch/arc/lib/memcpy-700.S index b64cc10ac91..3222573e50d 100644 --- a/arch/arc/lib/memcpy-700.S +++ b/arch/arc/lib/memcpy-700.S @@ -6,9 +6,9 @@ * published by the Free Software Foundation. */ -#include <asm/linkage.h> +#include <linux/linkage.h> -ARC_ENTRY memcpy +ENTRY(memcpy) or r3,r0,r1 asl_s r3,r3,30 mov_s r5,r0 @@ -63,4 +63,4 @@ ARC_ENTRY memcpy .Lendbloop: j_s.d [blink] stb r12,[r5,0] -ARC_EXIT memcpy +END(memcpy) diff --git a/arch/arc/lib/memset.S b/arch/arc/lib/memset.S index 9b2d88d2e14..d36bd43fc98 100644 --- a/arch/arc/lib/memset.S +++ b/arch/arc/lib/memset.S @@ -6,11 +6,11 @@ * published by the Free Software Foundation. */ -#include <asm/linkage.h> +#include <linux/linkage.h> #define SMALL 7 /* Must be at least 6 to deal with alignment/loop issues. */ -ARC_ENTRY memset +ENTRY(memset) mov_s r4,r0 or r12,r0,r2 bmsk.f r12,r12,1 @@ -46,14 +46,14 @@ ARC_ENTRY memset stb.ab r1,[r4,1] .Ltiny_end: j_s [blink] -ARC_EXIT memset +END(memset) ; memzero: @r0 = mem, @r1 = size_t ; memset: @r0 = mem, @r1 = char, @r2 = size_t -ARC_ENTRY memzero +ENTRY(memzero) ; adjust bzero args to memset args mov r2, r1 mov r1, 0 b memset ;tail call so need to tinker with blink -ARC_EXIT memzero +END(memzero) diff --git a/arch/arc/lib/strchr-700.S b/arch/arc/lib/strchr-700.S index 9c548c7cf00..b725d586210 100644 --- a/arch/arc/lib/strchr-700.S +++ b/arch/arc/lib/strchr-700.S @@ -11,9 +11,9 @@ presence of the norm instruction makes it easier to operate on whole words branch-free. */ -#include <asm/linkage.h> +#include <linux/linkage.h> -ARC_ENTRY strchr +ENTRY(strchr) extb_s r1,r1 asl r5,r1,8 bmsk r2,r0,1 @@ -130,4 +130,4 @@ ARC_ENTRY strchr j_s.d [blink] mov.mi r0,0 #endif /* ENDIAN */ -ARC_EXIT strchr +END(strchr) diff --git a/arch/arc/lib/strcmp.S b/arch/arc/lib/strcmp.S index 5dc802b45cf..3544600fefe 100644 --- a/arch/arc/lib/strcmp.S +++ b/arch/arc/lib/strcmp.S @@ -13,9 +13,9 @@ source 1; however, that would increase the overhead for loop setup / finish, and strcmp might often terminate early. */ -#include <asm/linkage.h> +#include <linux/linkage.h> -ARC_ENTRY strcmp +ENTRY(strcmp) or r2,r0,r1 bmsk_s r2,r2,1 brne r2,0,.Lcharloop @@ -93,4 +93,4 @@ ARC_ENTRY strcmp .Lcmpend: j_s.d [blink] sub r0,r2,r3 -ARC_EXIT strcmp +END(strcmp) diff --git a/arch/arc/lib/strcpy-700.S b/arch/arc/lib/strcpy-700.S index b7ca4ae81d8..8422f38e121 100644 --- a/arch/arc/lib/strcpy-700.S +++ b/arch/arc/lib/strcpy-700.S @@ -16,9 +16,9 @@ there, but the it is not likely to be taken often, and it would also be likey to cost an unaligned mispredict at the next call. */ -#include <asm/linkage.h> +#include <linux/linkage.h> -ARC_ENTRY strcpy +ENTRY(strcpy) or r2,r0,r1 bmsk_s r2,r2,1 brne.d r2,0,charloop @@ -67,4 +67,4 @@ charloop: brne.d r3,0,charloop stb.ab r3,[r10,1] j [blink] -ARC_EXIT strcpy +END(strcpy) diff --git a/arch/arc/lib/strlen.S b/arch/arc/lib/strlen.S index 39759e09969..53cfd5685a5 100644 --- a/arch/arc/lib/strlen.S +++ b/arch/arc/lib/strlen.S @@ -6,9 +6,9 @@ * published by the Free Software Foundation. */ -#include <asm/linkage.h> +#include <linux/linkage.h> -ARC_ENTRY strlen +ENTRY(strlen) or r3,r0,7 ld r2,[r3,-7] ld.a r6,[r3,-3] @@ -80,4 +80,4 @@ ARC_ENTRY strlen .Learly_end: b.d .Lend sub_s.ne r1,r1,r1 -ARC_EXIT strlen +END(strlen) diff --git a/arch/arc/mm/tlbex.S b/arch/arc/mm/tlbex.S index 3fcfdb38d24..79bfc81358c 100644 --- a/arch/arc/mm/tlbex.S +++ b/arch/arc/mm/tlbex.S @@ -260,7 +260,7 @@ ARCFP_CODE ;Fast Path Code, candidate for ICCM ; I-TLB Miss Exception Handler ;----------------------------------------------------------------------------- -ARC_ENTRY EV_TLBMissI +ENTRY(EV_TLBMissI) TLBMISS_FREEUP_REGS @@ -293,13 +293,13 @@ ARC_ENTRY EV_TLBMissI TLBMISS_RESTORE_REGS rtie -ARC_EXIT EV_TLBMissI +END(EV_TLBMissI) ;----------------------------------------------------------------------------- ; D-TLB Miss Exception Handler ;----------------------------------------------------------------------------- -ARC_ENTRY EV_TLBMissD +ENTRY(EV_TLBMissD) TLBMISS_FREEUP_REGS @@ -381,6 +381,4 @@ do_slow_path_pf: bl do_page_fault b ret_from_exception -ARC_EXIT EV_TLBMissD - -ARC_ENTRY EV_TLBMissB ; Bogus entry to measure sz of DTLBMiss hdlr +END(EV_TLBMissD) diff --git a/arch/arm/boot/dts/Makefile b/arch/arm/boot/dts/Makefile index 50067b3e7fc..1aaa0f1c4f9 100644 --- a/arch/arm/boot/dts/Makefile +++ b/arch/arm/boot/dts/Makefile @@ -245,7 +245,9 @@ dtb-$(CONFIG_ARCH_OMAP2PLUS) += omap2420-h4.dtb \ dra72-evm.dtb \ dra72-evm-lcd7.dtb \ dra72-evm-lcd10.dtb \ - am57xx-beagle-x15.dtb + am57xx-beagle-x15.dtb \ + am57xx-evm.dtb + dtb-$(CONFIG_ARCH_ORION5X) += orion5x-lacie-ethernet-disk-mini-v2.dtb dtb-$(CONFIG_ARCH_PRIMA2) += prima2-evb.dtb dtb-$(CONFIG_ARCH_U8500) += ste-snowball.dtb \ diff --git a/arch/arm/boot/dts/am57xx-beagle-x15.dts b/arch/arm/boot/dts/am57xx-beagle-x15.dts index a53257cb4d5..506162dce9b 100644 --- a/arch/arm/boot/dts/am57xx-beagle-x15.dts +++ b/arch/arm/boot/dts/am57xx-beagle-x15.dts @@ -100,7 +100,7 @@ }; hdmi0: connector@1 { - compatible = "omapdss,hdmi-connector"; + compatible = "hdmi-connector"; label = "hdmi"; type = "a"; @@ -113,7 +113,7 @@ }; tpd12s015: encoder@1 { - compatible = "omapdss,ti,tpd12s015"; + compatible = "ti,tpd12s015"; gpios = <&gpio7 10 GPIO_ACTIVE_HIGH>, /* gpio7_10, CT CP HPD */ <&gpio6 28 GPIO_ACTIVE_HIGH>, /* gpio6_28, LS OE */ diff --git a/arch/arm/boot/dts/am57xx-evm.dts b/arch/arm/boot/dts/am57xx-evm.dts new file mode 100644 index 00000000000..3dd5481b012 --- /dev/null +++ b/arch/arm/boot/dts/am57xx-evm.dts @@ -0,0 +1,181 @@ +/* + * Copyright (C) 2015 Texas Instruments Incorporated - http://www.ti.com/ + * + * This program is free software; you can redistribute it and/or modify + * it under the terms of the GNU General Public License version 2 as + * published by the Free Software Foundation. + */ + +#include "am57xx-beagle-x15.dts" +#include <dt-bindings/gpio/gpio.h> +#include <dt-bindings/input/input.h> + +/ { + model = "TI AM572x EVM"; + compatible = "ti,am572x-evm", "ti,am572x-beagle-x15", "ti,am5728", "ti,dra742", "ti,dra74", "ti,dra7"; + + gpio_keys { + pinctrl-names = "default"; + pinctrl-0 = <&gpio_keys_default>; + + compatible = "gpio-keys"; + #address-cells = <1>; + #size-cells = <0>; + autorepeat; + + USER1 { + label = "Up"; + linux,code = <KEY_UP>; + gpios = <&gpio2 23 GPIO_ACTIVE_LOW>; + }; + + USER2 { + label = "Down"; + linux,code = <KEY_DOWN>; + gpios = <&gpio2 25 GPIO_ACTIVE_LOW>; + }; + + USER3 { + label = "Left"; + linux,code = <KEY_LEFT>; + gpios = <&gpio2 28 GPIO_ACTIVE_LOW>; + }; + + USER4 { + label = "Right"; + linux,code = <KEY_RIGHT>; + gpios = <&gpio2 24 GPIO_ACTIVE_LOW>; + }; + + USER5 { + label = "Home"; + linux,code = <KEY_HOME>; + gpios = <&gpio2 20 GPIO_ACTIVE_LOW>; + }; + }; + + aliases { + display0 = &lcd0; + display1 = &hdmi0; + }; + + lcd0: display { + compatible = "osddisplays,osd070t1718-19ts", "panel-dpi"; + + label = "lcd"; + + pinctrl-names = "default"; + pinctrl-0 = <&lcd_pins>; + + enable-gpios = <&gpio2 5 GPIO_ACTIVE_HIGH>; + + panel-timing { + clock-frequency = <33000000>; + hactive = <800>; + vactive = <480>; + hfront-porch = <210>; + hback-porch = <16>; + hsync-len = <30>; + vback-porch = <10>; + vfront-porch = <22>; + vsync-len = <13>; + hsync-active = <0>; + vsync-active = <0>; + de-active = <1>; + pixelclk-active = <1>; + }; + + port { + lcd_in: endpoint { + remote-endpoint = <&dpi_out>; + }; + }; + }; + + backlight { + compatible = "gpio-backlight"; + + pinctrl-names = "default"; + pinctrl-0 = <&bl_pins>; + + gpios = <&gpio6 10 GPIO_ACTIVE_LOW>; + + default-on; + }; +}; + +&dra7_pmx_core { + gpio_keys_default: gpio_keys_default { + pinctrl-single,pins = < + 0x0b8 (PIN_INPUT | MUX_MODE14) /* gpmc_cs2.gpio2_20 */ + 0x0c4 (PIN_INPUT | MUX_MODE14) /* gpmc_advn_ale.gpio2_23 */ + 0x0c8 (PIN_INPUT | MUX_MODE14) /* gpmc_oen_ren.gpio2_24 */ + 0x0cc (PIN_INPUT | MUX_MODE14) /* gpmc_wen.gpio2_25 */ + 0x0d8 (PIN_INPUT | MUX_MODE14) /* gpmc_wait0.gpio2_28 */ + >; + }; + + vout1_pins: pinmux_vout1_pins { + pinctrl-single,pins = < + 0x1C8 (PIN_OUTPUT | MUX_MODE0) /* vout1_clk */ + 0x1CC (PIN_OUTPUT | MUX_MODE0) /* vout1_de */ + 0x1D4 (PIN_OUTPUT | MUX_MODE0) /* vout1_hsync */ + 0x1D8 (PIN_OUTPUT | MUX_MODE0) /* vout1_vsync */ + 0x1DC (PIN_OUTPUT | MUX_MODE0) /* vout1_d0 */ + 0x1E0 (PIN_OUTPUT | MUX_MODE0) /* vout1_d1 */ + 0x1E4 (PIN_OUTPUT | MUX_MODE0) /* vout1_d2 */ + 0x1E8 (PIN_OUTPUT | MUX_MODE0) /* vout1_d3 */ + 0x1EC (PIN_OUTPUT | MUX_MODE0) /* vout1_d4 */ + 0x1F0 (PIN_OUTPUT | MUX_MODE0) /* vout1_d5 */ + 0x1F4 (PIN_OUTPUT | MUX_MODE0) /* vout1_d6 */ + 0x1F8 (PIN_OUTPUT | MUX_MODE0) /* vout1_d7 */ + 0x1FC (PIN_OUTPUT | MUX_MODE0) /* vout1_d8 */ + 0x200 (PIN_OUTPUT | MUX_MODE0) /* vout1_d9 */ + 0x204 (PIN_OUTPUT | MUX_MODE0) /* vout1_d10 */ + 0x208 (PIN_OUTPUT | MUX_MODE0) /* vout1_d11 */ + 0x20C (PIN_OUTPUT | MUX_MODE0) /* vout1_d12 */ + 0x210 (PIN_OUTPUT | MUX_MODE0) /* vout1_d13 */ + 0x214 (PIN_OUTPUT | MUX_MODE0) /* vout1_d14 */ + 0x218 (PIN_OUTPUT | MUX_MODE0) /* vout1_d15 */ + 0x21C (PIN_OUTPUT | MUX_MODE0) /* vout1_d16 */ + 0x220 (PIN_OUTPUT | MUX_MODE0) /* vout1_d17 */ + 0x224 (PIN_OUTPUT | MUX_MODE0) /* vout1_d18 */ + 0x228 (PIN_OUTPUT | MUX_MODE0) /* vout1_d19 */ + 0x22C (PIN_OUTPUT | MUX_MODE0) /* vout1_d20 */ + 0x230 (PIN_OUTPUT | MUX_MODE0) /* vout1_d21 */ + 0x234 (PIN_OUTPUT | MUX_MODE0) /* vout1_d22 */ + 0x238 (PIN_OUTPUT | MUX_MODE0) /* vout1_d23 */ + >; + }; + + bl_pins: pinmux_bl_pins { + pinctrl-single,pins = < + 0x374 (PIN_OUTPUT | MUX_MODE14) /* gpio6_10.gpio6_10 */ + >; + }; + + lcd_pins: pinmux_lcd_pins { + pinctrl-single,pins = < + 0x7c (PIN_OUTPUT | MUX_MODE14) /* gpmc_a15.gpio2_5 */ + >; + }; +}; + +&dss { + pinctrl-names = "default"; + pinctrl-0 = <&vout1_pins>; + + ports { + #address-cells = <1>; + #size-cells = <0>; + + port { + reg = <0>; + + dpi_out: endpoint { + remote-endpoint = <&lcd_in>; + data-lines = <24>; + }; + }; + }; +}; diff --git a/arch/arm/boot/dts/dra7-evm.dts b/arch/arm/boot/dts/dra7-evm.dts index d7a4a1f62cd..9bb768a29a4 100644 --- a/arch/arm/boot/dts/dra7-evm.dts +++ b/arch/arm/boot/dts/dra7-evm.dts @@ -53,6 +53,13 @@ reusable; status = "okay"; }; + + /* Required by cmem driver used by radio */ + cmem_radio: cmem@95400000 { + reg = <0x95400000 0x400000>; + no-map; + status = "okay"; + }; }; extcon1: dra7x_usbid_extcon1 { @@ -132,7 +139,7 @@ }; hdmi0: connector@1 { - compatible = "omapdss,hdmi-connector"; + compatible = "hdmi-connector"; label = "hdmi"; type = "a"; diff --git a/arch/arm/boot/dts/dra7.dtsi b/arch/arm/boot/dts/dra7.dtsi index a687ade531a..6486cf0ee98 100644 --- a/arch/arm/boot/dts/dra7.dtsi +++ b/arch/arm/boot/dts/dra7.dtsi @@ -262,6 +262,13 @@ pinctrl-single,function-mask = <0x3fffffff>; }; + dra7_iodelay_core: padconf@4844a000 { + compatible = "ti,dra7-iodelay"; + reg = <0x4844a000 0x0d1c>; + #address-cells = <1>; + #size-cells = <0>; + }; + sdma: dma-controller@4a056000 { compatible = "ti,omap4430-sdma"; reg = <0x4a056000 0x1000>; diff --git a/arch/arm/boot/dts/dra72-evm.dts b/arch/arm/boot/dts/dra72-evm.dts index 1271fd92c82..c747dd63ebd 100644 --- a/arch/arm/boot/dts/dra72-evm.dts +++ b/arch/arm/boot/dts/dra72-evm.dts @@ -27,7 +27,7 @@ }; tpd12s015: encoder@0 { - compatible = "omapdss,ti,tpd12s015"; + compatible = "ti,tpd12s015"; pinctrl-names = "default"; pinctrl-0 = <&hpd_pin>; @@ -59,7 +59,7 @@ }; hdmi0: connector@0 { - compatible = "omapdss,hdmi-connector"; + compatible = "hdmi-connector"; label = "hdmi"; type = "a"; @@ -96,6 +96,13 @@ reusable; status = "okay"; }; + + /* Required by cmem driver used by radio */ + cmem_radio: cmem@95400000 { + reg = <0x95400000 0x400000>; + no-map; + status = "okay"; + }; }; extcon1: dra7x_usbid_extcon1 { diff --git a/arch/arm/boot/dts/dra72x.dtsi b/arch/arm/boot/dts/dra72x.dtsi index b5eb3266663..3001c518c76 100644 --- a/arch/arm/boot/dts/dra72x.dtsi +++ b/arch/arm/boot/dts/dra72x.dtsi @@ -38,6 +38,34 @@ }; }; + iva_coproc { + compatible = "ti,coproc"; + clocks = <&dpll_iva_m2_ck>, <&dpll_iva_ck>; + clock-names = "fclk", "dpll"; + clock-target-frequency = <532000000>; + operating-points = < + 388200 1055000 + 430000 1150000 + 532000 1250000 + >; + coproc-voltdm = <&voltdm_ivahd>; + voltage-tolerance = <1>; + }; + + dsp_coproc { + compatible = "ti,coproc"; + clocks = <&dpll_dsp_m2_ck>, <&dpll_dsp_ck>; + clock-names = "fclk", "dpll"; + clock-target-frequency = <700000000>; + operating-points = < + 600000 1055000 + 700000 1150000 + 700000 1250000 + >; + coproc-voltdm = <&voltdm_dspeve>; + voltage-tolerance = <1>; + }; + thermal-zones { #include "omap5-cpu-thermal.dtsi" }; diff --git a/arch/arm/boot/dts/dra74x.dtsi b/arch/arm/boot/dts/dra74x.dtsi index 8a36afcd925..e43fc2bd8eb 100644 --- a/arch/arm/boot/dts/dra74x.dtsi +++ b/arch/arm/boot/dts/dra74x.dtsi @@ -43,6 +43,34 @@ }; }; + iva_coproc { + compatible = "ti,coproc"; + clocks = <&dpll_iva_m2_ck>, <&dpll_iva_ck>; + clock-names = "fclk", "dpll"; + clock-target-frequency = <532000000>; + operating-points = < + 388200 1055000 + 430000 1150000 + 532000 1250000 + >; + coproc-voltdm = <&voltdm_ivahd>; + voltage-tolerance = <1>; + }; + + dsp_coproc { + compatible = "ti,coproc"; + clocks = <&dpll_dsp_m2_ck>, <&dpll_dsp_ck>; + clock-names = "fclk", "dpll"; + clock-target-frequency = <700000000>; + operating-points = < + 600000 1055000 + 700000 1150000 + 700000 1250000 + >; + coproc-voltdm = <&voltdm_dspeve>; + voltage-tolerance = <1>; + }; + thermal-zones { #include "omap5-cpu-thermal.dtsi" }; diff --git a/arch/arm/boot/dts/dra7xx-clocks.dtsi b/arch/arm/boot/dts/dra7xx-clocks.dtsi index 8d5486cf721..8ed4d373c6e 100644 --- a/arch/arm/boot/dts/dra7xx-clocks.dtsi +++ b/arch/arm/boot/dts/dra7xx-clocks.dtsi @@ -243,10 +243,18 @@ ti,invert-autoidle-bit; }; + dpll_core_byp_mux: dpll_core_byp_mux { + #clock-cells = <0>; + compatible = "ti,mux-clock"; + clocks = <&sys_clkin1>, <&dpll_abe_m3x2_ck>; + ti,bit-shift = <23>; + reg = <0x012c>; + }; + dpll_core_ck: dpll_core_ck { #clock-cells = <0>; compatible = "ti,omap4-dpll-core-clock"; - clocks = <&sys_clkin1>, <&dpll_abe_m3x2_ck>; + clocks = <&sys_clkin1>, <&dpll_core_byp_mux>; reg = <0x0120>, <0x0124>, <0x012c>, <0x0128>; }; @@ -309,10 +317,18 @@ clock-div = <1>; }; + dpll_dsp_byp_mux: dpll_dsp_byp_mux { + #clock-cells = <0>; + compatible = "ti,mux-clock"; + clocks = <&sys_clkin1>, <&dsp_dpll_hs_clk_div>; + ti,bit-shift = <23>; + reg = <0x0240>; + }; + dpll_dsp_ck: dpll_dsp_ck { #clock-cells = <0>; compatible = "ti,omap4-dpll-clock"; - clocks = <&sys_clkin1>, <&dsp_dpll_hs_clk_div>; + clocks = <&sys_clkin1>, <&dpll_dsp_byp_mux>; reg = <0x0234>, <0x0238>, <0x0240>, <0x023c>; }; @@ -335,10 +351,18 @@ clock-div = <1>; }; + dpll_iva_byp_mux: dpll_iva_byp_mux { + #clock-cells = <0>; + compatible = "ti,mux-clock"; + clocks = <&sys_clkin1>, <&iva_dpll_hs_clk_div>; + ti,bit-shift = <23>; + reg = <0x01ac>; + }; + dpll_iva_ck: dpll_iva_ck { #clock-cells = <0>; compatible = "ti,omap4-dpll-clock"; - clocks = <&sys_clkin1>, <&iva_dpll_hs_clk_div>; + clocks = <&sys_clkin1>, <&dpll_iva_byp_mux>; reg = <0x01a0>, <0x01a4>, <0x01ac>, <0x01a8>; }; @@ -361,10 +385,18 @@ clock-div = <1>; }; + dpll_gpu_byp_mux: dpll_gpu_byp_mux { + #clock-cells = <0>; + compatible = "ti,mux-clock"; + clocks = <&sys_clkin1>, <&dpll_abe_m3x2_ck>; + ti,bit-shift = <23>; + reg = <0x02e4>; + }; + dpll_gpu_ck: dpll_gpu_ck { #clock-cells = <0>; compatible = "ti,omap4-dpll-clock"; - clocks = <&sys_clkin1>, <&dpll_abe_m3x2_ck>; + clocks = <&sys_clkin1>, <&dpll_gpu_byp_mux>; reg = <0x02d8>, <0x02dc>, <0x02e4>, <0x02e0>; }; @@ -398,10 +430,18 @@ clock-div = <1>; }; + dpll_ddr_byp_mux: dpll_ddr_byp_mux { + #clock-cells = <0>; + compatible = "ti,mux-clock"; + clocks = <&sys_clkin1>, <&dpll_abe_m3x2_ck>; + ti,bit-shift = <23>; + reg = <0x021c>; + }; + dpll_ddr_ck: dpll_ddr_ck { #clock-cells = <0>; compatible = "ti,omap4-dpll-clock"; - clocks = <&sys_clkin1>, <&dpll_abe_m3x2_ck>; + clocks = <&sys_clkin1>, <&dpll_ddr_byp_mux>; reg = <0x0210>, <0x0214>, <0x021c>, <0x0218>; }; @@ -416,10 +456,18 @@ ti,invert-autoidle-bit; }; + dpll_gmac_byp_mux: dpll_gmac_byp_mux { + #clock-cells = <0>; + compatible = "ti,mux-clock"; + clocks = <&sys_clkin1>, <&dpll_abe_m3x2_ck>; + ti,bit-shift = <23>; + reg = <0x02b4>; + }; + dpll_gmac_ck: dpll_gmac_ck { #clock-cells = <0>; compatible = "ti,omap4-dpll-clock"; - clocks = <&sys_clkin1>, <&dpll_abe_m3x2_ck>; + clocks = <&sys_clkin1>, <&dpll_gmac_byp_mux>; reg = <0x02a8>, <0x02ac>, <0x02b4>, <0x02b0>; }; @@ -482,10 +530,18 @@ clock-div = <1>; }; + dpll_eve_byp_mux: dpll_eve_byp_mux { + #clock-cells = <0>; + compatible = "ti,mux-clock"; + clocks = <&sys_clkin1>, <&eve_dpll_hs_clk_div>; + ti,bit-shift = <23>; + reg = <0x0290>; + }; + dpll_eve_ck: dpll_eve_ck { #clock-cells = <0>; compatible = "ti,omap4-dpll-clock"; - clocks = <&sys_clkin1>, <&eve_dpll_hs_clk_div>; + clocks = <&sys_clkin1>, <&dpll_eve_byp_mux>; reg = <0x0284>, <0x0288>, <0x0290>, <0x028c>; }; @@ -1249,10 +1305,18 @@ clock-div = <1>; }; + dpll_per_byp_mux: dpll_per_byp_mux { + #clock-cells = <0>; + compatible = "ti,mux-clock"; + clocks = <&sys_clkin1>, <&per_dpll_hs_clk_div>; + ti,bit-shift = <23>; + reg = <0x014c>; + }; + dpll_per_ck: dpll_per_ck { #clock-cells = <0>; compatible = "ti,omap4-dpll-clock"; - clocks = <&sys_clkin1>, <&per_dpll_hs_clk_div>; + clocks = <&sys_clkin1>, <&dpll_per_byp_mux>; reg = <0x0140>, <0x0144>, <0x014c>, <0x0148>; }; @@ -1275,10 +1339,18 @@ clock-div = <1>; }; + dpll_usb_byp_mux: dpll_usb_byp_mux { + #clock-cells = <0>; + compatible = "ti,mux-clock"; + clocks = <&sys_clkin1>, <&usb_dpll_hs_clk_div>; + ti,bit-shift = <23>; + reg = <0x018c>; + }; + dpll_usb_ck: dpll_usb_ck { #clock-cells = <0>; compatible = "ti,omap4-dpll-j-type-clock"; - clocks = <&sys_clkin1>, <&usb_dpll_hs_clk_div>; + clocks = <&sys_clkin1>, <&dpll_usb_byp_mux>; reg = <0x0180>, <0x0184>, <0x018c>, <0x0188>; }; diff --git a/arch/arm/boot/dts/imx25.dtsi b/arch/arm/boot/dts/imx25.dtsi index de1611966d8..cf3300a3071 100644 --- a/arch/arm/boot/dts/imx25.dtsi +++ b/arch/arm/boot/dts/imx25.dtsi @@ -158,7 +158,7 @@ #size-cells = <0>; compatible = "fsl,imx25-cspi", "fsl,imx35-cspi"; reg = <0x43fa4000 0x4000>; - clocks = <&clks 62>, <&clks 62>; + clocks = <&clks 78>, <&clks 78>; clock-names = "ipg", "per"; interrupts = <14>; status = "disabled"; @@ -352,7 +352,7 @@ compatible = "fsl,imx25-pwm", "fsl,imx27-pwm"; #pwm-cells = <2>; reg = <0x53fa0000 0x4000>; - clocks = <&clks 106>, <&clks 36>; + clocks = <&clks 106>, <&clks 52>; clock-names = "ipg", "per"; interrupts = <36>; }; @@ -371,7 +371,7 @@ compatible = "fsl,imx25-pwm", "fsl,imx27-pwm"; #pwm-cells = <2>; reg = <0x53fa8000 0x4000>; - clocks = <&clks 107>, <&clks 36>; + clocks = <&clks 107>, <&clks 52>; clock-names = "ipg", "per"; interrupts = <41>; }; @@ -412,7 +412,7 @@ pwm4: pwm@53fc8000 { compatible = "fsl,imx25-pwm", "fsl,imx27-pwm"; reg = <0x53fc8000 0x4000>; - clocks = <&clks 108>, <&clks 36>; + clocks = <&clks 108>, <&clks 52>; clock-names = "ipg", "per"; interrupts = <42>; }; @@ -458,7 +458,7 @@ compatible = "fsl,imx25-pwm", "fsl,imx27-pwm"; #pwm-cells = <2>; reg = <0x53fe0000 0x4000>; - clocks = <&clks 105>, <&clks 36>; + clocks = <&clks 105>, <&clks 52>; clock-names = "ipg", "per"; interrupts = <26>; }; diff --git a/arch/arm/boot/dts/omap54xx-clocks.dtsi b/arch/arm/boot/dts/omap54xx-clocks.dtsi index e67a23b5d78..342e71f00e7 100644 --- a/arch/arm/boot/dts/omap54xx-clocks.dtsi +++ b/arch/arm/boot/dts/omap54xx-clocks.dtsi @@ -167,10 +167,18 @@ ti,index-starts-at-one; }; + dpll_core_byp_mux: dpll_core_byp_mux { + #clock-cells = <0>; + compatible = "ti,mux-clock"; + clocks = <&sys_clkin>, <&dpll_abe_m3x2_ck>; + ti,bit-shift = <23>; + reg = <0x012c>; + }; + dpll_core_ck: dpll_core_ck { #clock-cells = <0>; compatible = "ti,omap4-dpll-core-clock"; - clocks = <&sys_clkin>, <&dpll_abe_m3x2_ck>; + clocks = <&sys_clkin>, <&dpll_core_byp_mux>; reg = <0x0120>, <0x0124>, <0x012c>, <0x0128>; }; @@ -294,10 +302,18 @@ clock-div = <1>; }; + dpll_iva_byp_mux: dpll_iva_byp_mux { + #clock-cells = <0>; + compatible = "ti,mux-clock"; + clocks = <&sys_clkin>, <&iva_dpll_hs_clk_div>; + ti,bit-shift = <23>; + reg = <0x01ac>; + }; + dpll_iva_ck: dpll_iva_ck { #clock-cells = <0>; compatible = "ti,omap4-dpll-clock"; - clocks = <&sys_clkin>, <&iva_dpll_hs_clk_div>; + clocks = <&sys_clkin>, <&dpll_iva_byp_mux>; reg = <0x01a0>, <0x01a4>, <0x01ac>, <0x01a8>; }; @@ -595,10 +611,19 @@ }; }; &cm_core_clocks { + + dpll_per_byp_mux: dpll_per_byp_mux { + #clock-cells = <0>; + compatible = "ti,mux-clock"; + clocks = <&sys_clkin>, <&per_dpll_hs_clk_div>; + ti,bit-shift = <23>; + reg = <0x014c>; + }; + dpll_per_ck: dpll_per_ck { #clock-cells = <0>; compatible = "ti,omap4-dpll-clock"; - clocks = <&sys_clkin>, <&per_dpll_hs_clk_div>; + clocks = <&sys_clkin>, <&dpll_per_byp_mux>; reg = <0x0140>, <0x0144>, <0x014c>, <0x0148>; }; @@ -710,10 +735,18 @@ ti,index-starts-at-one; }; + dpll_usb_byp_mux: dpll_usb_byp_mux { + #clock-cells = <0>; + compatible = "ti,mux-clock"; + clocks = <&sys_clkin>, <&usb_dpll_hs_clk_div>; + ti,bit-shift = <23>; + reg = <0x018c>; + }; + dpll_usb_ck: dpll_usb_ck { #clock-cells = <0>; compatible = "ti,omap4-dpll-j-type-clock"; - clocks = <&sys_clkin>, <&usb_dpll_hs_clk_div>; + clocks = <&sys_clkin>, <&dpll_usb_byp_mux>; reg = <0x0180>, <0x0184>, <0x018c>, <0x0188>; }; diff --git a/arch/arm/crypto/aes_glue.c b/arch/arm/crypto/aes_glue.c index 3003fa1f6fb..0409b8f8978 100644 --- a/arch/arm/crypto/aes_glue.c +++ b/arch/arm/crypto/aes_glue.c @@ -93,6 +93,6 @@ module_exit(aes_fini); MODULE_DESCRIPTION("Rijndael (AES) Cipher Algorithm (ASM)"); MODULE_LICENSE("GPL"); -MODULE_ALIAS("aes"); -MODULE_ALIAS("aes-asm"); +MODULE_ALIAS_CRYPTO("aes"); +MODULE_ALIAS_CRYPTO("aes-asm"); MODULE_AUTHOR("David McCullough <ucdevel@gmail.com>"); diff --git a/arch/arm/crypto/sha1_glue.c b/arch/arm/crypto/sha1_glue.c index 84f2a756588..e31b0440c61 100644 --- a/arch/arm/crypto/sha1_glue.c +++ b/arch/arm/crypto/sha1_glue.c @@ -171,5 +171,5 @@ module_exit(sha1_mod_fini); MODULE_LICENSE("GPL"); MODULE_DESCRIPTION("SHA1 Secure Hash Algorithm (ARM)"); -MODULE_ALIAS("sha1"); +MODULE_ALIAS_CRYPTO("sha1"); MODULE_AUTHOR("David McCullough <ucdevel@gmail.com>"); diff --git a/arch/arm/mach-imx/clk-imx6q.c b/arch/arm/mach-imx/clk-imx6q.c index 4d677f44253..01a5765a8b2 100644 --- a/arch/arm/mach-imx/clk-imx6q.c +++ b/arch/arm/mach-imx/clk-imx6q.c @@ -161,8 +161,8 @@ static void __init imx6q_clocks_init(struct device_node *ccm_node) post_div_table[1].div = 1; post_div_table[2].div = 1; video_div_table[1].div = 1; - video_div_table[2].div = 1; - }; + video_div_table[3].div = 1; + } /* type name parent_name base div_mask */ clk[pll1_sys] = imx_clk_pllv3(IMX_PLLV3_SYS, "pll1_sys", "osc", base, 0x7f); diff --git a/arch/arm/mach-omap2/clkt_dpll.c b/arch/arm/mach-omap2/clkt_dpll.c index 60947c54fae..f595d812f82 100644 --- a/arch/arm/mach-omap2/clkt_dpll.c +++ b/arch/arm/mach-omap2/clkt_dpll.c @@ -209,7 +209,8 @@ u8 omap2_init_dpll_parent(struct clk_hw *hw) if (v == OMAP3XXX_EN_DPLL_LPBYPASS || v == OMAP3XXX_EN_DPLL_FRBYPASS) return 1; - } else if (soc_is_am33xx() || cpu_is_omap44xx() || soc_is_am43xx()) { + } else if (soc_is_am33xx() || cpu_is_omap44xx() || soc_is_am43xx() || + soc_is_dra7xx() || soc_is_omap54xx()) { if (v == OMAP4XXX_EN_DPLL_LPBYPASS || v == OMAP4XXX_EN_DPLL_FRBYPASS || v == OMAP4XXX_EN_DPLL_MNBYPASS) @@ -255,7 +256,8 @@ unsigned long omap2_get_dpll_rate(struct clk_hw_omap *clk) if (v == OMAP3XXX_EN_DPLL_LPBYPASS || v == OMAP3XXX_EN_DPLL_FRBYPASS) return __clk_get_rate(dd->clk_bypass); - } else if (soc_is_am33xx() || cpu_is_omap44xx() || soc_is_am43xx()) { + } else if (soc_is_am33xx() || cpu_is_omap44xx() || soc_is_am43xx() || + soc_is_dra7xx() || soc_is_omap54xx()) { if (v == OMAP4XXX_EN_DPLL_LPBYPASS || v == OMAP4XXX_EN_DPLL_FRBYPASS || v == OMAP4XXX_EN_DPLL_MNBYPASS) diff --git a/arch/arm/mach-omap2/omap_hwmod.c b/arch/arm/mach-omap2/omap_hwmod.c index f22b4dea0aa..fcb83862069 100644 --- a/arch/arm/mach-omap2/omap_hwmod.c +++ b/arch/arm/mach-omap2/omap_hwmod.c @@ -3573,7 +3573,7 @@ int omap_hwmod_enable(struct omap_hwmod *oh) if (!oh) return -EINVAL; - spin_lock_irqsave(&oh->_lock, flags); + spin_lock_irqsave_nested(&oh->_lock, flags, (int)oh); r = _enable(oh); spin_unlock_irqrestore(&oh->_lock, flags); @@ -3594,7 +3594,7 @@ int omap_hwmod_idle(struct omap_hwmod *oh) if (!oh) return -EINVAL; - spin_lock_irqsave(&oh->_lock, flags); + spin_lock_irqsave_nested(&oh->_lock, flags, (int)oh); _idle(oh); spin_unlock_irqrestore(&oh->_lock, flags); @@ -3616,7 +3616,7 @@ int omap_hwmod_shutdown(struct omap_hwmod *oh) if (!oh) return -EINVAL; - spin_lock_irqsave(&oh->_lock, flags); + spin_lock_irqsave_nested(&oh->_lock, flags, (int)oh); _shutdown(oh); spin_unlock_irqrestore(&oh->_lock, flags); @@ -3633,7 +3633,7 @@ int omap_hwmod_enable_clocks(struct omap_hwmod *oh) { unsigned long flags; - spin_lock_irqsave(&oh->_lock, flags); + spin_lock_irqsave_nested(&oh->_lock, flags, (int)oh); _enable_clocks(oh); spin_unlock_irqrestore(&oh->_lock, flags); @@ -3650,7 +3650,7 @@ int omap_hwmod_disable_clocks(struct omap_hwmod *oh) { unsigned long flags; - spin_lock_irqsave(&oh->_lock, flags); + spin_lock_irqsave_nested(&oh->_lock, flags, (int)oh); _disable_clocks(oh); spin_unlock_irqrestore(&oh->_lock, flags); @@ -3701,7 +3701,7 @@ int omap_hwmod_reset(struct omap_hwmod *oh) if (!oh) return -EINVAL; - spin_lock_irqsave(&oh->_lock, flags); + spin_lock_irqsave_nested(&oh->_lock, flags, (int)oh); r = _reset(oh); spin_unlock_irqrestore(&oh->_lock, flags); @@ -4025,7 +4025,7 @@ int omap_hwmod_enable_wakeup(struct omap_hwmod *oh) unsigned long flags; u32 v; - spin_lock_irqsave(&oh->_lock, flags); + spin_lock_irqsave_nested(&oh->_lock, flags, (int)oh); if (oh->class->sysc && (oh->class->sysc->sysc_flags & SYSC_HAS_ENAWAKEUP)) { @@ -4058,7 +4058,7 @@ int omap_hwmod_disable_wakeup(struct omap_hwmod *oh) unsigned long flags; u32 v; - spin_lock_irqsave(&oh->_lock, flags); + spin_lock_irqsave_nested(&oh->_lock, flags, (int)oh); if (oh->class->sysc && (oh->class->sysc->sysc_flags & SYSC_HAS_ENAWAKEUP)) { @@ -4093,7 +4093,7 @@ int omap_hwmod_assert_hardreset(struct omap_hwmod *oh, const char *name) if (!oh) return -EINVAL; - spin_lock_irqsave(&oh->_lock, flags); + spin_lock_irqsave_nested(&oh->_lock, flags, (int)oh); ret = _assert_hardreset(oh, name); spin_unlock_irqrestore(&oh->_lock, flags); @@ -4120,7 +4120,7 @@ int omap_hwmod_deassert_hardreset(struct omap_hwmod *oh, const char *name) if (!oh) return -EINVAL; - spin_lock_irqsave(&oh->_lock, flags); + spin_lock_irqsave_nested(&oh->_lock, flags, (int)oh); ret = _deassert_hardreset(oh, name); spin_unlock_irqrestore(&oh->_lock, flags); @@ -4146,7 +4146,7 @@ int omap_hwmod_read_hardreset(struct omap_hwmod *oh, const char *name) if (!oh) return -EINVAL; - spin_lock_irqsave(&oh->_lock, flags); + spin_lock_irqsave_nested(&oh->_lock, flags, (int)oh); ret = _read_hardreset(oh, name); spin_unlock_irqrestore(&oh->_lock, flags); @@ -4221,7 +4221,7 @@ int omap_hwmod_set_postsetup_state(struct omap_hwmod *oh, u8 state) state != _HWMOD_STATE_IDLE) return -EINVAL; - spin_lock_irqsave(&oh->_lock, flags); + spin_lock_irqsave_nested(&oh->_lock, flags, (int)oh); if (oh->_state != _HWMOD_STATE_REGISTERED) { ret = -EINVAL; diff --git a/arch/arm/mach-shmobile/setup-sh73a0.c b/arch/arm/mach-shmobile/setup-sh73a0.c index f74ab530c71..2b73c8a0c24 100644 --- a/arch/arm/mach-shmobile/setup-sh73a0.c +++ b/arch/arm/mach-shmobile/setup-sh73a0.c @@ -617,6 +617,7 @@ static struct platform_device ipmmu_device = { static struct renesas_intc_irqpin_config irqpin0_platform_data = { .irq_base = irq_pin(0), /* IRQ0 -> IRQ7 */ + .control_parent = true, }; static struct resource irqpin0_resources[] = { @@ -678,6 +679,7 @@ static struct platform_device irqpin1_device = { static struct renesas_intc_irqpin_config irqpin2_platform_data = { .irq_base = irq_pin(16), /* IRQ16 -> IRQ23 */ + .control_parent = true, }; static struct resource irqpin2_resources[] = { @@ -708,6 +710,7 @@ static struct platform_device irqpin2_device = { static struct renesas_intc_irqpin_config irqpin3_platform_data = { .irq_base = irq_pin(24), /* IRQ24 -> IRQ31 */ + .control_parent = true, }; static struct resource irqpin3_resources[] = { diff --git a/arch/parisc/include/asm/ldcw.h b/arch/parisc/include/asm/ldcw.h index d2d11b7055b..8121aa6db2f 100644 --- a/arch/parisc/include/asm/ldcw.h +++ b/arch/parisc/include/asm/ldcw.h @@ -33,11 +33,18 @@ #endif /*!CONFIG_PA20*/ -/* LDCW, the only atomic read-write operation PA-RISC has. *sigh*. */ +/* LDCW, the only atomic read-write operation PA-RISC has. *sigh*. + We don't explicitly expose that "*a" may be written as reload + fails to find a register in class R1_REGS when "a" needs to be + reloaded when generating 64-bit PIC code. Instead, we clobber + memory to indicate to the compiler that the assembly code reads + or writes to items other than those listed in the input and output + operands. This may pessimize the code somewhat but __ldcw is + usually used within code blocks surrounded by memory barriors. */ #define __ldcw(a) ({ \ unsigned __ret; \ - __asm__ __volatile__(__LDCW " 0(%2),%0" \ - : "=r" (__ret), "+m" (*(a)) : "r" (a)); \ + __asm__ __volatile__(__LDCW " 0(%1),%0" \ + : "=r" (__ret) : "r" (a) : "memory"); \ __ret; \ }) diff --git a/arch/powerpc/crypto/sha1.c b/arch/powerpc/crypto/sha1.c index f9e8b9491ef..b51da913274 100644 --- a/arch/powerpc/crypto/sha1.c +++ b/arch/powerpc/crypto/sha1.c @@ -154,4 +154,5 @@ module_exit(sha1_powerpc_mod_fini); MODULE_LICENSE("GPL"); MODULE_DESCRIPTION("SHA1 Secure Hash Algorithm"); -MODULE_ALIAS("sha1-powerpc"); +MODULE_ALIAS_CRYPTO("sha1"); +MODULE_ALIAS_CRYPTO("sha1-powerpc"); diff --git a/arch/s390/crypto/aes_s390.c b/arch/s390/crypto/aes_s390.c index 23223cd63e5..1f272b24fc0 100644 --- a/arch/s390/crypto/aes_s390.c +++ b/arch/s390/crypto/aes_s390.c @@ -979,7 +979,7 @@ static void __exit aes_s390_fini(void) module_init(aes_s390_init); module_exit(aes_s390_fini); -MODULE_ALIAS("aes-all"); +MODULE_ALIAS_CRYPTO("aes-all"); MODULE_DESCRIPTION("Rijndael (AES) Cipher Algorithm"); MODULE_LICENSE("GPL"); diff --git a/arch/s390/crypto/des_s390.c b/arch/s390/crypto/des_s390.c index 7acb77f7ef1..9e05cc453a4 100644 --- a/arch/s390/crypto/des_s390.c +++ b/arch/s390/crypto/des_s390.c @@ -619,8 +619,8 @@ static void __exit des_s390_exit(void) module_init(des_s390_init); module_exit(des_s390_exit); -MODULE_ALIAS("des"); -MODULE_ALIAS("des3_ede"); +MODULE_ALIAS_CRYPTO("des"); +MODULE_ALIAS_CRYPTO("des3_ede"); MODULE_LICENSE("GPL"); MODULE_DESCRIPTION("DES & Triple DES EDE Cipher Algorithms"); diff --git a/arch/s390/crypto/ghash_s390.c b/arch/s390/crypto/ghash_s390.c index d43485d142e..7940dc90e80 100644 --- a/arch/s390/crypto/ghash_s390.c +++ b/arch/s390/crypto/ghash_s390.c @@ -160,7 +160,7 @@ static void __exit ghash_mod_exit(void) module_init(ghash_mod_init); module_exit(ghash_mod_exit); -MODULE_ALIAS("ghash"); +MODULE_ALIAS_CRYPTO("ghash"); MODULE_LICENSE("GPL"); MODULE_DESCRIPTION("GHASH Message Digest Algorithm, s390 implementation"); diff --git a/arch/s390/crypto/sha1_s390.c b/arch/s390/crypto/sha1_s390.c index a1b3a9dc9d8..5b2bee32369 100644 --- a/arch/s390/crypto/sha1_s390.c +++ b/arch/s390/crypto/sha1_s390.c @@ -103,6 +103,6 @@ static void __exit sha1_s390_fini(void) module_init(sha1_s390_init); module_exit(sha1_s390_fini); -MODULE_ALIAS("sha1"); +MODULE_ALIAS_CRYPTO("sha1"); MODULE_LICENSE("GPL"); MODULE_DESCRIPTION("SHA1 Secure Hash Algorithm"); diff --git a/arch/s390/crypto/sha256_s390.c b/arch/s390/crypto/sha256_s390.c index 9b853809a49..b74ff158108 100644 --- a/arch/s390/crypto/sha256_s390.c +++ b/arch/s390/crypto/sha256_s390.c @@ -143,7 +143,7 @@ static void __exit sha256_s390_fini(void) module_init(sha256_s390_init); module_exit(sha256_s390_fini); -MODULE_ALIAS("sha256"); -MODULE_ALIAS("sha224"); +MODULE_ALIAS_CRYPTO("sha256"); +MODULE_ALIAS_CRYPTO("sha224"); MODULE_LICENSE("GPL"); MODULE_DESCRIPTION("SHA256 and SHA224 Secure Hash Algorithm"); diff --git a/arch/s390/crypto/sha512_s390.c b/arch/s390/crypto/sha512_s390.c index 32a81383b69..0c36989ba18 100644 --- a/arch/s390/crypto/sha512_s390.c +++ b/arch/s390/crypto/sha512_s390.c @@ -86,7 +86,7 @@ static struct shash_alg sha512_alg = { } }; -MODULE_ALIAS("sha512"); +MODULE_ALIAS_CRYPTO("sha512"); static int sha384_init(struct shash_desc *desc) { @@ -126,7 +126,7 @@ static struct shash_alg sha384_alg = { } }; -MODULE_ALIAS("sha384"); +MODULE_ALIAS_CRYPTO("sha384"); static int __init init(void) { diff --git a/arch/sparc/crypto/aes_glue.c b/arch/sparc/crypto/aes_glue.c index 503e6d96ad4..ded4cee3531 100644 --- a/arch/sparc/crypto/aes_glue.c +++ b/arch/sparc/crypto/aes_glue.c @@ -499,6 +499,6 @@ module_exit(aes_sparc64_mod_fini); MODULE_LICENSE("GPL"); MODULE_DESCRIPTION("AES Secure Hash Algorithm, sparc64 aes opcode accelerated"); -MODULE_ALIAS("aes"); +MODULE_ALIAS_CRYPTO("aes"); #include "crop_devid.c" diff --git a/arch/sparc/crypto/camellia_glue.c b/arch/sparc/crypto/camellia_glue.c index 888f6260b4e..641f55cb61c 100644 --- a/arch/sparc/crypto/camellia_glue.c +++ b/arch/sparc/crypto/camellia_glue.c @@ -322,6 +322,6 @@ module_exit(camellia_sparc64_mod_fini); MODULE_LICENSE("GPL"); MODULE_DESCRIPTION("Camellia Cipher Algorithm, sparc64 camellia opcode accelerated"); -MODULE_ALIAS("aes"); +MODULE_ALIAS_CRYPTO("aes"); #include "crop_devid.c" diff --git a/arch/sparc/crypto/crc32c_glue.c b/arch/sparc/crypto/crc32c_glue.c index 5162fad912c..d1064e46efe 100644 --- a/arch/sparc/crypto/crc32c_glue.c +++ b/arch/sparc/crypto/crc32c_glue.c @@ -176,6 +176,6 @@ module_exit(crc32c_sparc64_mod_fini); MODULE_LICENSE("GPL"); MODULE_DESCRIPTION("CRC32c (Castagnoli), sparc64 crc32c opcode accelerated"); -MODULE_ALIAS("crc32c"); +MODULE_ALIAS_CRYPTO("crc32c"); #include "crop_devid.c" diff --git a/arch/sparc/crypto/des_glue.c b/arch/sparc/crypto/des_glue.c index 3065bc61f9d..d1150097299 100644 --- a/arch/sparc/crypto/des_glue.c +++ b/arch/sparc/crypto/des_glue.c @@ -532,6 +532,6 @@ module_exit(des_sparc64_mod_fini); MODULE_LICENSE("GPL"); MODULE_DESCRIPTION("DES & Triple DES EDE Cipher Algorithms, sparc64 des opcode accelerated"); -MODULE_ALIAS("des"); +MODULE_ALIAS_CRYPTO("des"); #include "crop_devid.c" diff --git a/arch/sparc/crypto/md5_glue.c b/arch/sparc/crypto/md5_glue.c index 09a9ea1dfb6..64c7ff5f72a 100644 --- a/arch/sparc/crypto/md5_glue.c +++ b/arch/sparc/crypto/md5_glue.c @@ -185,6 +185,6 @@ module_exit(md5_sparc64_mod_fini); MODULE_LICENSE("GPL"); MODULE_DESCRIPTION("MD5 Secure Hash Algorithm, sparc64 md5 opcode accelerated"); -MODULE_ALIAS("md5"); +MODULE_ALIAS_CRYPTO("md5"); #include "crop_devid.c" diff --git a/arch/sparc/crypto/sha1_glue.c b/arch/sparc/crypto/sha1_glue.c index 6cd5f29e1e0..1b3e47accc7 100644 --- a/arch/sparc/crypto/sha1_glue.c +++ b/arch/sparc/crypto/sha1_glue.c @@ -180,6 +180,6 @@ module_exit(sha1_sparc64_mod_fini); MODULE_LICENSE("GPL"); MODULE_DESCRIPTION("SHA1 Secure Hash Algorithm, sparc64 sha1 opcode accelerated"); -MODULE_ALIAS("sha1"); +MODULE_ALIAS_CRYPTO("sha1"); #include "crop_devid.c" diff --git a/arch/sparc/crypto/sha256_glue.c b/arch/sparc/crypto/sha256_glue.c index 04f555ab268..41f27cca2a2 100644 --- a/arch/sparc/crypto/sha256_glue.c +++ b/arch/sparc/crypto/sha256_glue.c @@ -237,7 +237,7 @@ module_exit(sha256_sparc64_mod_fini); MODULE_LICENSE("GPL"); MODULE_DESCRIPTION("SHA-224 and SHA-256 Secure Hash Algorithm, sparc64 sha256 opcode accelerated"); -MODULE_ALIAS("sha224"); -MODULE_ALIAS("sha256"); +MODULE_ALIAS_CRYPTO("sha224"); +MODULE_ALIAS_CRYPTO("sha256"); #include "crop_devid.c" diff --git a/arch/sparc/crypto/sha512_glue.c b/arch/sparc/crypto/sha512_glue.c index f04d1994d19..9fff88541b8 100644 --- a/arch/sparc/crypto/sha512_glue.c +++ b/arch/sparc/crypto/sha512_glue.c @@ -222,7 +222,7 @@ module_exit(sha512_sparc64_mod_fini); MODULE_LICENSE("GPL"); MODULE_DESCRIPTION("SHA-384 and SHA-512 Secure Hash Algorithm, sparc64 sha512 opcode accelerated"); -MODULE_ALIAS("sha384"); -MODULE_ALIAS("sha512"); +MODULE_ALIAS_CRYPTO("sha384"); +MODULE_ALIAS_CRYPTO("sha512"); #include "crop_devid.c" diff --git a/arch/tile/mm/homecache.c b/arch/tile/mm/homecache.c index 004ba568d93..33294fdc402 100644 --- a/arch/tile/mm/homecache.c +++ b/arch/tile/mm/homecache.c @@ -417,7 +417,7 @@ void __homecache_free_pages(struct page *page, unsigned int order) if (put_page_testzero(page)) { homecache_change_page_home(page, order, PAGE_HOME_HASH); if (order == 0) { - free_hot_cold_page(page, 0); + free_hot_cold_page(page, false); } else { init_page_count(page); __free_pages(page, order); diff --git a/arch/um/Kconfig.common b/arch/um/Kconfig.common index 21ca44c4f6d..1f0ea5537e8 100644 --- a/arch/um/Kconfig.common +++ b/arch/um/Kconfig.common @@ -2,6 +2,7 @@ config UML bool default y select HAVE_UID16 + select HAVE_FUTEX_CMPXCHG if FUTEX select GENERIC_IRQ_SHOW select GENERIC_CPU_DEVICES select GENERIC_IO diff --git a/arch/x86/Kconfig b/arch/x86/Kconfig index 98aa930230e..2f645c90e4d 100644 --- a/arch/x86/Kconfig +++ b/arch/x86/Kconfig @@ -854,7 +854,7 @@ source "kernel/Kconfig.preempt" config X86_UP_APIC bool "Local APIC support on uniprocessors" - depends on X86_32 && !SMP && !X86_32_NON_STANDARD && !PCI_MSI + depends on X86_32 && !SMP && !X86_32_NON_STANDARD ---help--- A local APIC (Advanced Programmable Interrupt Controller) is an integrated interrupt controller in the CPU. If you have a single-CPU @@ -865,6 +865,10 @@ config X86_UP_APIC performance counters), and the NMI watchdog which detects hard lockups. +config X86_UP_APIC_MSI + def_bool y + select X86_UP_APIC if X86_32 && !SMP && !X86_32_NON_STANDARD && PCI_MSI + config X86_UP_IOAPIC bool "IO-APIC support on uniprocessors" depends on X86_UP_APIC diff --git a/arch/x86/boot/compressed/misc.c b/arch/x86/boot/compressed/misc.c index eb25ca1eb6d..8f45c855f84 100644 --- a/arch/x86/boot/compressed/misc.c +++ b/arch/x86/boot/compressed/misc.c @@ -396,6 +396,8 @@ asmlinkage void *decompress_kernel(void *rmode, memptr heap, unsigned long output_len, unsigned long run_size) { + unsigned char *output_orig = output; + real_mode = rmode; sanitize_boot_params(real_mode); @@ -444,7 +446,12 @@ asmlinkage void *decompress_kernel(void *rmode, memptr heap, debug_putstr("\nDecompressing Linux... "); decompress(input_data, input_len, NULL, NULL, output, NULL, error); parse_elf(output); - handle_relocations(output, output_len); + /* + * 32-bit always performs relocations. 64-bit relocations are only + * needed if kASLR has chosen a different load address. + */ + if (!IS_ENABLED(CONFIG_X86_64) || output != output_orig) + handle_relocations(output, output_len); debug_putstr("done.\nBooting the kernel.\n"); return output; } diff --git a/arch/x86/crypto/aes_glue.c b/arch/x86/crypto/aes_glue.c index aafe8ce0d65..e26984f7ab8 100644 --- a/arch/x86/crypto/aes_glue.c +++ b/arch/x86/crypto/aes_glue.c @@ -66,5 +66,5 @@ module_exit(aes_fini); MODULE_DESCRIPTION("Rijndael (AES) Cipher Algorithm, asm optimized"); MODULE_LICENSE("GPL"); -MODULE_ALIAS("aes"); -MODULE_ALIAS("aes-asm"); +MODULE_ALIAS_CRYPTO("aes"); +MODULE_ALIAS_CRYPTO("aes-asm"); diff --git a/arch/x86/crypto/aesni-intel_glue.c b/arch/x86/crypto/aesni-intel_glue.c index 948ad0e7774..6dfb7d0b139 100644 --- a/arch/x86/crypto/aesni-intel_glue.c +++ b/arch/x86/crypto/aesni-intel_glue.c @@ -1514,4 +1514,4 @@ module_exit(aesni_exit); MODULE_DESCRIPTION("Rijndael (AES) Cipher Algorithm, Intel AES-NI instructions optimized"); MODULE_LICENSE("GPL"); -MODULE_ALIAS("aes"); +MODULE_ALIAS_CRYPTO("aes"); diff --git a/arch/x86/crypto/blowfish_glue.c b/arch/x86/crypto/blowfish_glue.c index 50ec333b70e..1477cfcdbf6 100644 --- a/arch/x86/crypto/blowfish_glue.c +++ b/arch/x86/crypto/blowfish_glue.c @@ -481,5 +481,5 @@ module_exit(fini); MODULE_LICENSE("GPL"); MODULE_DESCRIPTION("Blowfish Cipher Algorithm, asm optimized"); -MODULE_ALIAS("blowfish"); -MODULE_ALIAS("blowfish-asm"); +MODULE_ALIAS_CRYPTO("blowfish"); +MODULE_ALIAS_CRYPTO("blowfish-asm"); diff --git a/arch/x86/crypto/camellia_aesni_avx2_glue.c b/arch/x86/crypto/camellia_aesni_avx2_glue.c index 4209a76fcda..9a07fafe383 100644 --- a/arch/x86/crypto/camellia_aesni_avx2_glue.c +++ b/arch/x86/crypto/camellia_aesni_avx2_glue.c @@ -582,5 +582,5 @@ module_exit(camellia_aesni_fini); MODULE_LICENSE("GPL"); MODULE_DESCRIPTION("Camellia Cipher Algorithm, AES-NI/AVX2 optimized"); -MODULE_ALIAS("camellia"); -MODULE_ALIAS("camellia-asm"); +MODULE_ALIAS_CRYPTO("camellia"); +MODULE_ALIAS_CRYPTO("camellia-asm"); diff --git a/arch/x86/crypto/camellia_aesni_avx_glue.c b/arch/x86/crypto/camellia_aesni_avx_glue.c index 87a041a10f4..ed38d959add 100644 --- a/arch/x86/crypto/camellia_aesni_avx_glue.c +++ b/arch/x86/crypto/camellia_aesni_avx_glue.c @@ -574,5 +574,5 @@ module_exit(camellia_aesni_fini); MODULE_LICENSE("GPL"); MODULE_DESCRIPTION("Camellia Cipher Algorithm, AES-NI/AVX optimized"); -MODULE_ALIAS("camellia"); -MODULE_ALIAS("camellia-asm"); +MODULE_ALIAS_CRYPTO("camellia"); +MODULE_ALIAS_CRYPTO("camellia-asm"); diff --git a/arch/x86/crypto/camellia_glue.c b/arch/x86/crypto/camellia_glue.c index c171dcbf192..5c8b6266a39 100644 --- a/arch/x86/crypto/camellia_glue.c +++ b/arch/x86/crypto/camellia_glue.c @@ -1725,5 +1725,5 @@ module_exit(fini); MODULE_LICENSE("GPL"); MODULE_DESCRIPTION("Camellia Cipher Algorithm, asm optimized"); -MODULE_ALIAS("camellia"); -MODULE_ALIAS("camellia-asm"); +MODULE_ALIAS_CRYPTO("camellia"); +MODULE_ALIAS_CRYPTO("camellia-asm"); diff --git a/arch/x86/crypto/cast5_avx_glue.c b/arch/x86/crypto/cast5_avx_glue.c index e6a3700489b..f62e9db5a46 100644 --- a/arch/x86/crypto/cast5_avx_glue.c +++ b/arch/x86/crypto/cast5_avx_glue.c @@ -494,4 +494,4 @@ module_exit(cast5_exit); MODULE_DESCRIPTION("Cast5 Cipher Algorithm, AVX optimized"); MODULE_LICENSE("GPL"); -MODULE_ALIAS("cast5"); +MODULE_ALIAS_CRYPTO("cast5"); diff --git a/arch/x86/crypto/cast6_avx_glue.c b/arch/x86/crypto/cast6_avx_glue.c index 09f3677393e..0160f68a57f 100644 --- a/arch/x86/crypto/cast6_avx_glue.c +++ b/arch/x86/crypto/cast6_avx_glue.c @@ -611,4 +611,4 @@ module_exit(cast6_exit); MODULE_DESCRIPTION("Cast6 Cipher Algorithm, AVX optimized"); MODULE_LICENSE("GPL"); -MODULE_ALIAS("cast6"); +MODULE_ALIAS_CRYPTO("cast6"); diff --git a/arch/x86/crypto/crc32-pclmul_glue.c b/arch/x86/crypto/crc32-pclmul_glue.c index 9d014a74ef9..1937fc1d876 100644 --- a/arch/x86/crypto/crc32-pclmul_glue.c +++ b/arch/x86/crypto/crc32-pclmul_glue.c @@ -197,5 +197,5 @@ module_exit(crc32_pclmul_mod_fini); MODULE_AUTHOR("Alexander Boyko <alexander_boyko@xyratex.com>"); MODULE_LICENSE("GPL"); -MODULE_ALIAS("crc32"); -MODULE_ALIAS("crc32-pclmul"); +MODULE_ALIAS_CRYPTO("crc32"); +MODULE_ALIAS_CRYPTO("crc32-pclmul"); diff --git a/arch/x86/crypto/crc32c-intel_glue.c b/arch/x86/crypto/crc32c-intel_glue.c index 6812ad98355..28640c3d6af 100644 --- a/arch/x86/crypto/crc32c-intel_glue.c +++ b/arch/x86/crypto/crc32c-intel_glue.c @@ -280,5 +280,5 @@ MODULE_AUTHOR("Austin Zhang <austin.zhang@intel.com>, Kent Liu <kent.liu@intel.c MODULE_DESCRIPTION("CRC32c (Castagnoli) optimization using Intel Hardware."); MODULE_LICENSE("GPL"); -MODULE_ALIAS("crc32c"); -MODULE_ALIAS("crc32c-intel"); +MODULE_ALIAS_CRYPTO("crc32c"); +MODULE_ALIAS_CRYPTO("crc32c-intel"); diff --git a/arch/x86/crypto/crct10dif-pclmul_glue.c b/arch/x86/crypto/crct10dif-pclmul_glue.c index 7845d7fd54c..b6c67bf30fd 100644 --- a/arch/x86/crypto/crct10dif-pclmul_glue.c +++ b/arch/x86/crypto/crct10dif-pclmul_glue.c @@ -147,5 +147,5 @@ MODULE_AUTHOR("Tim Chen <tim.c.chen@linux.intel.com>"); MODULE_DESCRIPTION("T10 DIF CRC calculation accelerated with PCLMULQDQ."); MODULE_LICENSE("GPL"); -MODULE_ALIAS("crct10dif"); -MODULE_ALIAS("crct10dif-pclmul"); +MODULE_ALIAS_CRYPTO("crct10dif"); +MODULE_ALIAS_CRYPTO("crct10dif-pclmul"); diff --git a/arch/x86/crypto/fpu.c b/arch/x86/crypto/fpu.c index 98d7a188f46..f368ba26173 100644 --- a/arch/x86/crypto/fpu.c +++ b/arch/x86/crypto/fpu.c @@ -17,6 +17,7 @@ #include <linux/kernel.h> #include <linux/module.h> #include <linux/slab.h> +#include <linux/crypto.h> #include <asm/i387.h> struct crypto_fpu_ctx { @@ -159,3 +160,5 @@ void __exit crypto_fpu_exit(void) { crypto_unregister_template(&crypto_fpu_tmpl); } + +MODULE_ALIAS_CRYPTO("fpu"); diff --git a/arch/x86/crypto/ghash-clmulni-intel_glue.c b/arch/x86/crypto/ghash-clmulni-intel_glue.c index d785cf2c529..a8d6f69f92a 100644 --- a/arch/x86/crypto/ghash-clmulni-intel_glue.c +++ b/arch/x86/crypto/ghash-clmulni-intel_glue.c @@ -341,4 +341,4 @@ module_exit(ghash_pclmulqdqni_mod_exit); MODULE_LICENSE("GPL"); MODULE_DESCRIPTION("GHASH Message Digest Algorithm, " "acclerated by PCLMULQDQ-NI"); -MODULE_ALIAS("ghash"); +MODULE_ALIAS_CRYPTO("ghash"); diff --git a/arch/x86/crypto/salsa20_glue.c b/arch/x86/crypto/salsa20_glue.c index 5e8e67739bb..399a29d067d 100644 --- a/arch/x86/crypto/salsa20_glue.c +++ b/arch/x86/crypto/salsa20_glue.c @@ -119,5 +119,5 @@ module_exit(fini); MODULE_LICENSE("GPL"); MODULE_DESCRIPTION ("Salsa20 stream cipher algorithm (optimized assembly version)"); -MODULE_ALIAS("salsa20"); -MODULE_ALIAS("salsa20-asm"); +MODULE_ALIAS_CRYPTO("salsa20"); +MODULE_ALIAS_CRYPTO("salsa20-asm"); diff --git a/arch/x86/crypto/serpent_avx2_glue.c b/arch/x86/crypto/serpent_avx2_glue.c index 2fae489b152..437e47a4d30 100644 --- a/arch/x86/crypto/serpent_avx2_glue.c +++ b/arch/x86/crypto/serpent_avx2_glue.c @@ -558,5 +558,5 @@ module_exit(fini); MODULE_LICENSE("GPL"); MODULE_DESCRIPTION("Serpent Cipher Algorithm, AVX2 optimized"); -MODULE_ALIAS("serpent"); -MODULE_ALIAS("serpent-asm"); +MODULE_ALIAS_CRYPTO("serpent"); +MODULE_ALIAS_CRYPTO("serpent-asm"); diff --git a/arch/x86/crypto/serpent_avx_glue.c b/arch/x86/crypto/serpent_avx_glue.c index ff487087097..7e217398b4e 100644 --- a/arch/x86/crypto/serpent_avx_glue.c +++ b/arch/x86/crypto/serpent_avx_glue.c @@ -617,4 +617,4 @@ module_exit(serpent_exit); MODULE_DESCRIPTION("Serpent Cipher Algorithm, AVX optimized"); MODULE_LICENSE("GPL"); -MODULE_ALIAS("serpent"); +MODULE_ALIAS_CRYPTO("serpent"); diff --git a/arch/x86/crypto/serpent_sse2_glue.c b/arch/x86/crypto/serpent_sse2_glue.c index 8c95f863730..bf025adaea0 100644 --- a/arch/x86/crypto/serpent_sse2_glue.c +++ b/arch/x86/crypto/serpent_sse2_glue.c @@ -618,4 +618,4 @@ module_exit(serpent_sse2_exit); MODULE_DESCRIPTION("Serpent Cipher Algorithm, SSE2 optimized"); MODULE_LICENSE("GPL"); -MODULE_ALIAS("serpent"); +MODULE_ALIAS_CRYPTO("serpent"); diff --git a/arch/x86/crypto/sha1_ssse3_glue.c b/arch/x86/crypto/sha1_ssse3_glue.c index 4a11a9d7245..29e1060e900 100644 --- a/arch/x86/crypto/sha1_ssse3_glue.c +++ b/arch/x86/crypto/sha1_ssse3_glue.c @@ -237,4 +237,4 @@ module_exit(sha1_ssse3_mod_fini); MODULE_LICENSE("GPL"); MODULE_DESCRIPTION("SHA1 Secure Hash Algorithm, Supplemental SSE3 accelerated"); -MODULE_ALIAS("sha1"); +MODULE_ALIAS_CRYPTO("sha1"); diff --git a/arch/x86/crypto/sha256_ssse3_glue.c b/arch/x86/crypto/sha256_ssse3_glue.c index f248546da1c..4dc100d8290 100644 --- a/arch/x86/crypto/sha256_ssse3_glue.c +++ b/arch/x86/crypto/sha256_ssse3_glue.c @@ -318,5 +318,5 @@ module_exit(sha256_ssse3_mod_fini); MODULE_LICENSE("GPL"); MODULE_DESCRIPTION("SHA256 Secure Hash Algorithm, Supplemental SSE3 accelerated"); -MODULE_ALIAS("sha256"); -MODULE_ALIAS("sha224"); +MODULE_ALIAS_CRYPTO("sha256"); +MODULE_ALIAS_CRYPTO("sha224"); diff --git a/arch/x86/crypto/sha512_ssse3_glue.c b/arch/x86/crypto/sha512_ssse3_glue.c index 8626b03e83b..26a5898a6f2 100644 --- a/arch/x86/crypto/sha512_ssse3_glue.c +++ b/arch/x86/crypto/sha512_ssse3_glue.c @@ -326,5 +326,5 @@ module_exit(sha512_ssse3_mod_fini); MODULE_LICENSE("GPL"); MODULE_DESCRIPTION("SHA512 Secure Hash Algorithm, Supplemental SSE3 accelerated"); -MODULE_ALIAS("sha512"); -MODULE_ALIAS("sha384"); +MODULE_ALIAS_CRYPTO("sha512"); +MODULE_ALIAS_CRYPTO("sha384"); diff --git a/arch/x86/crypto/twofish_avx_glue.c b/arch/x86/crypto/twofish_avx_glue.c index 4e3c665be12..1ac531ea9bc 100644 --- a/arch/x86/crypto/twofish_avx_glue.c +++ b/arch/x86/crypto/twofish_avx_glue.c @@ -579,4 +579,4 @@ module_exit(twofish_exit); MODULE_DESCRIPTION("Twofish Cipher Algorithm, AVX optimized"); MODULE_LICENSE("GPL"); -MODULE_ALIAS("twofish"); +MODULE_ALIAS_CRYPTO("twofish"); diff --git a/arch/x86/crypto/twofish_glue.c b/arch/x86/crypto/twofish_glue.c index 0a520230350..77e06c2da83 100644 --- a/arch/x86/crypto/twofish_glue.c +++ b/arch/x86/crypto/twofish_glue.c @@ -96,5 +96,5 @@ module_exit(fini); MODULE_LICENSE("GPL"); MODULE_DESCRIPTION ("Twofish Cipher Algorithm, asm optimized"); -MODULE_ALIAS("twofish"); -MODULE_ALIAS("twofish-asm"); +MODULE_ALIAS_CRYPTO("twofish"); +MODULE_ALIAS_CRYPTO("twofish-asm"); diff --git a/arch/x86/crypto/twofish_glue_3way.c b/arch/x86/crypto/twofish_glue_3way.c index 13e63b3e1df..56d8a08ee47 100644 --- a/arch/x86/crypto/twofish_glue_3way.c +++ b/arch/x86/crypto/twofish_glue_3way.c @@ -495,5 +495,5 @@ module_exit(fini); MODULE_LICENSE("GPL"); MODULE_DESCRIPTION("Twofish Cipher Algorithm, 3-way parallel asm optimized"); -MODULE_ALIAS("twofish"); -MODULE_ALIAS("twofish-asm"); +MODULE_ALIAS_CRYPTO("twofish"); +MODULE_ALIAS_CRYPTO("twofish-asm"); diff --git a/arch/x86/include/asm/desc.h b/arch/x86/include/asm/desc.h index 50d033a8947..a94b82e8f15 100644 --- a/arch/x86/include/asm/desc.h +++ b/arch/x86/include/asm/desc.h @@ -251,7 +251,8 @@ static inline void native_load_tls(struct thread_struct *t, unsigned int cpu) gdt[GDT_ENTRY_TLS_MIN + i] = t->tls_array[i]; } -#define _LDT_empty(info) \ +/* This intentionally ignores lm, since 32-bit apps don't have that field. */ +#define LDT_empty(info) \ ((info)->base_addr == 0 && \ (info)->limit == 0 && \ (info)->contents == 0 && \ @@ -261,11 +262,18 @@ static inline void native_load_tls(struct thread_struct *t, unsigned int cpu) (info)->seg_not_present == 1 && \ (info)->useable == 0) -#ifdef CONFIG_X86_64 -#define LDT_empty(info) (_LDT_empty(info) && ((info)->lm == 0)) -#else -#define LDT_empty(info) (_LDT_empty(info)) -#endif +/* Lots of programs expect an all-zero user_desc to mean "no segment at all". */ +static inline bool LDT_zero(const struct user_desc *info) +{ + return (info->base_addr == 0 && + info->limit == 0 && + info->contents == 0 && + info->read_exec_only == 0 && + info->seg_32bit == 0 && + info->limit_in_pages == 0 && + info->seg_not_present == 0 && + info->useable == 0); +} static inline void clear_LDT(void) { diff --git a/arch/x86/kernel/cpu/mshyperv.c b/arch/x86/kernel/cpu/mshyperv.c index 832d05a914b..317c81172c1 100644 --- a/arch/x86/kernel/cpu/mshyperv.c +++ b/arch/x86/kernel/cpu/mshyperv.c @@ -67,6 +67,7 @@ static struct clocksource hyperv_cs = { .rating = 400, /* use this when running on Hyperv*/ .read = read_hv_clock, .mask = CLOCKSOURCE_MASK(64), + .flags = CLOCK_SOURCE_IS_CONTINUOUS, }; static void __init ms_hyperv_init_platform(void) diff --git a/arch/x86/kernel/kprobes/core.c b/arch/x86/kernel/kprobes/core.c index 79a3f968287..a1f5b1866cb 100644 --- a/arch/x86/kernel/kprobes/core.c +++ b/arch/x86/kernel/kprobes/core.c @@ -1017,6 +1017,15 @@ int __kprobes setjmp_pre_handler(struct kprobe *p, struct pt_regs *regs) regs->flags &= ~X86_EFLAGS_IF; trace_hardirqs_off(); regs->ip = (unsigned long)(jp->entry); + + /* + * jprobes use jprobe_return() which skips the normal return + * path of the function, and this messes up the accounting of the + * function graph tracer to get messed up. + * + * Pause function graph tracing while performing the jprobe function. + */ + pause_graph_tracing(); return 1; } @@ -1042,24 +1051,25 @@ int __kprobes longjmp_break_handler(struct kprobe *p, struct pt_regs *regs) struct kprobe_ctlblk *kcb = get_kprobe_ctlblk(); u8 *addr = (u8 *) (regs->ip - 1); struct jprobe *jp = container_of(p, struct jprobe, kp); + void *saved_sp = kcb->jprobe_saved_sp; if ((addr > (u8 *) jprobe_return) && (addr < (u8 *) jprobe_return_end)) { - if (stack_addr(regs) != kcb->jprobe_saved_sp) { + if (stack_addr(regs) != saved_sp) { struct pt_regs *saved_regs = &kcb->jprobe_saved_regs; printk(KERN_ERR "current sp %p does not match saved sp %p\n", - stack_addr(regs), kcb->jprobe_saved_sp); + stack_addr(regs), saved_sp); printk(KERN_ERR "Saved registers for jprobe %p\n", jp); show_regs(saved_regs); printk(KERN_ERR "Current registers\n"); show_regs(regs); BUG(); } + /* It's OK to start function graph tracing again */ + unpause_graph_tracing(); *regs = kcb->jprobe_saved_regs; - memcpy((kprobe_opcode_t *)(kcb->jprobe_saved_sp), - kcb->jprobes_stack, - MIN_STACK_SIZE(kcb->jprobe_saved_sp)); + memcpy(saved_sp, kcb->jprobes_stack, MIN_STACK_SIZE(saved_sp)); preempt_enable_no_resched(); return 1; } diff --git a/arch/x86/kernel/tls.c b/arch/x86/kernel/tls.c index 4e942f31b1a..7fc5e843f24 100644 --- a/arch/x86/kernel/tls.c +++ b/arch/x86/kernel/tls.c @@ -29,7 +29,28 @@ static int get_free_idx(void) static bool tls_desc_okay(const struct user_desc *info) { - if (LDT_empty(info)) + /* + * For historical reasons (i.e. no one ever documented how any + * of the segmentation APIs work), user programs can and do + * assume that a struct user_desc that's all zeros except for + * entry_number means "no segment at all". This never actually + * worked. In fact, up to Linux 3.19, a struct user_desc like + * this would create a 16-bit read-write segment with base and + * limit both equal to zero. + * + * That was close enough to "no segment at all" until we + * hardened this function to disallow 16-bit TLS segments. Fix + * it up by interpreting these zeroed segments the way that they + * were almost certainly intended to be interpreted. + * + * The correct way to ask for "no segment at all" is to specify + * a user_desc that satisfies LDT_empty. To keep everything + * working, we accept both. + * + * Note that there's a similar kludge in modify_ldt -- look at + * the distinction between modes 1 and 0x11. + */ + if (LDT_empty(info) || LDT_zero(info)) return true; /* @@ -71,7 +92,7 @@ static void set_tls_desc(struct task_struct *p, int idx, cpu = get_cpu(); while (n-- > 0) { - if (LDT_empty(info)) + if (LDT_empty(info) || LDT_zero(info)) desc->a = desc->b = 0; else fill_ldt(desc, info); diff --git a/arch/x86/kernel/traps.c b/arch/x86/kernel/traps.c index f9d976e0ae6..b1d9002af7d 100644 --- a/arch/x86/kernel/traps.c +++ b/arch/x86/kernel/traps.c @@ -365,7 +365,7 @@ exit: * for scheduling or signal handling. The actual stack switch is done in * entry.S */ -asmlinkage __kprobes struct pt_regs *sync_regs(struct pt_regs *eregs) +asmlinkage notrace __kprobes struct pt_regs *sync_regs(struct pt_regs *eregs) { struct pt_regs *regs = eregs; /* Did already sync */ @@ -390,7 +390,7 @@ struct bad_iret_stack { struct pt_regs regs; }; -asmlinkage __visible +asmlinkage __visible notrace __kprobes struct bad_iret_stack *fixup_bad_iret(struct bad_iret_stack *s) { /* diff --git a/arch/x86/kernel/tsc.c b/arch/x86/kernel/tsc.c index de029060590..b20bced0090 100644 --- a/arch/x86/kernel/tsc.c +++ b/arch/x86/kernel/tsc.c @@ -618,7 +618,7 @@ static unsigned long quick_pit_calibrate(void) goto success; } } - pr_err("Fast TSC calibration failed\n"); + pr_info("Fast TSC calibration failed\n"); return 0; success: diff --git a/arch/x86/kvm/vmx.c b/arch/x86/kvm/vmx.c index 0c90f4b3f83..de426887b35 100644 --- a/arch/x86/kvm/vmx.c +++ b/arch/x86/kvm/vmx.c @@ -2320,12 +2320,12 @@ static __init void nested_vmx_setup_ctls_msrs(void) nested_vmx_secondary_ctls_low = 0; nested_vmx_secondary_ctls_high &= SECONDARY_EXEC_VIRTUALIZE_APIC_ACCESSES | - SECONDARY_EXEC_UNRESTRICTED_GUEST | SECONDARY_EXEC_WBINVD_EXITING; if (enable_ept) { /* nested EPT: emulate EPT also to L1 */ - nested_vmx_secondary_ctls_high |= SECONDARY_EXEC_ENABLE_EPT; + nested_vmx_secondary_ctls_high |= SECONDARY_EXEC_ENABLE_EPT | + SECONDARY_EXEC_UNRESTRICTED_GUEST; nested_vmx_ept_caps = VMX_EPT_PAGE_WALK_4_BIT | VMX_EPTP_WB_BIT | VMX_EPT_2MB_PAGE_BIT | VMX_EPT_INVEPT_BIT; diff --git a/arch/x86/um/sys_call_table_32.c b/arch/x86/um/sys_call_table_32.c index 531d4269e2e..bd16d6c370e 100644 --- a/arch/x86/um/sys_call_table_32.c +++ b/arch/x86/um/sys_call_table_32.c @@ -34,7 +34,7 @@ typedef asmlinkage void (*sys_call_ptr_t)(void); extern asmlinkage void sys_ni_syscall(void); -const sys_call_ptr_t sys_call_table[] __cacheline_aligned = { +const sys_call_ptr_t sys_call_table[] ____cacheline_aligned = { /* * Smells like a compiler bug -- it doesn't work * when the & below is removed. diff --git a/arch/x86/um/sys_call_table_64.c b/arch/x86/um/sys_call_table_64.c index f2f0723070c..95783087f0d 100644 --- a/arch/x86/um/sys_call_table_64.c +++ b/arch/x86/um/sys_call_table_64.c @@ -46,7 +46,7 @@ typedef void (*sys_call_ptr_t)(void); extern void sys_ni_syscall(void); -const sys_call_ptr_t sys_call_table[] __cacheline_aligned = { +const sys_call_ptr_t sys_call_table[] ____cacheline_aligned = { /* * Smells like a compiler bug -- it doesn't work * when the & below is removed. diff --git a/crypto/842.c b/crypto/842.c index 65c7a89cfa0..b48f4f108c4 100644 --- a/crypto/842.c +++ b/crypto/842.c @@ -180,3 +180,4 @@ module_exit(nx842_mod_exit); MODULE_LICENSE("GPL"); MODULE_DESCRIPTION("842 Compression Algorithm"); +MODULE_ALIAS_CRYPTO("842"); diff --git a/crypto/aes_generic.c b/crypto/aes_generic.c index fd0d6b45497..3dd101144a5 100644 --- a/crypto/aes_generic.c +++ b/crypto/aes_generic.c @@ -1474,4 +1474,5 @@ module_exit(aes_fini); MODULE_DESCRIPTION("Rijndael (AES) Cipher Algorithm"); MODULE_LICENSE("Dual BSD/GPL"); -MODULE_ALIAS("aes"); +MODULE_ALIAS_CRYPTO("aes"); +MODULE_ALIAS_CRYPTO("aes-generic"); diff --git a/crypto/algapi.c b/crypto/algapi.c index 7a1ae87f168..00d8d939733 100644 --- a/crypto/algapi.c +++ b/crypto/algapi.c @@ -495,8 +495,8 @@ static struct crypto_template *__crypto_lookup_template(const char *name) struct crypto_template *crypto_lookup_template(const char *name) { - return try_then_request_module(__crypto_lookup_template(name), "%s", - name); + return try_then_request_module(__crypto_lookup_template(name), + "crypto-%s", name); } EXPORT_SYMBOL_GPL(crypto_lookup_template); diff --git a/crypto/ansi_cprng.c b/crypto/ansi_cprng.c index 666f1962a16..6f5bebc9bf0 100644 --- a/crypto/ansi_cprng.c +++ b/crypto/ansi_cprng.c @@ -476,4 +476,5 @@ module_param(dbg, int, 0); MODULE_PARM_DESC(dbg, "Boolean to enable debugging (0/1 == off/on)"); module_init(prng_mod_init); module_exit(prng_mod_fini); -MODULE_ALIAS("stdrng"); +MODULE_ALIAS_CRYPTO("stdrng"); +MODULE_ALIAS_CRYPTO("ansi_cprng"); diff --git a/crypto/anubis.c b/crypto/anubis.c index 008c8a4fb67..4bb187c2a90 100644 --- a/crypto/anubis.c +++ b/crypto/anubis.c @@ -704,3 +704,4 @@ module_exit(anubis_mod_fini); MODULE_LICENSE("GPL"); MODULE_DESCRIPTION("Anubis Cryptographic Algorithm"); +MODULE_ALIAS_CRYPTO("anubis"); diff --git a/crypto/api.c b/crypto/api.c index a2b39c5f364..2a81e98a002 100644 --- a/crypto/api.c +++ b/crypto/api.c @@ -216,11 +216,11 @@ struct crypto_alg *crypto_larval_lookup(const char *name, u32 type, u32 mask) alg = crypto_alg_lookup(name, type, mask); if (!alg) { - request_module("%s", name); + request_module("crypto-%s", name); if (!((type ^ CRYPTO_ALG_NEED_FALLBACK) & mask & CRYPTO_ALG_NEED_FALLBACK)) - request_module("%s-all", name); + request_module("crypto-%s-all", name); alg = crypto_alg_lookup(name, type, mask); } diff --git a/crypto/arc4.c b/crypto/arc4.c index 5a772c3657d..f1a81925558 100644 --- a/crypto/arc4.c +++ b/crypto/arc4.c @@ -166,3 +166,4 @@ module_exit(arc4_exit); MODULE_LICENSE("GPL"); MODULE_DESCRIPTION("ARC4 Cipher Algorithm"); MODULE_AUTHOR("Jon Oberheide <jon@oberheide.org>"); +MODULE_ALIAS_CRYPTO("arc4"); diff --git a/crypto/authenc.c b/crypto/authenc.c index e1223559d5d..78fb16cab13 100644 --- a/crypto/authenc.c +++ b/crypto/authenc.c @@ -721,3 +721,4 @@ module_exit(crypto_authenc_module_exit); MODULE_LICENSE("GPL"); MODULE_DESCRIPTION("Simple AEAD wrapper for IPsec"); +MODULE_ALIAS_CRYPTO("authenc"); diff --git a/crypto/authencesn.c b/crypto/authencesn.c index 4be0dd4373a..024bff2344f 100644 --- a/crypto/authencesn.c +++ b/crypto/authencesn.c @@ -814,3 +814,4 @@ module_exit(crypto_authenc_esn_module_exit); MODULE_LICENSE("GPL"); MODULE_AUTHOR("Steffen Klassert <steffen.klassert@secunet.com>"); MODULE_DESCRIPTION("AEAD wrapper for IPsec with extended sequence numbers"); +MODULE_ALIAS_CRYPTO("authencesn"); diff --git a/crypto/blowfish_generic.c b/crypto/blowfish_generic.c index 8baf5447d35..87b392a77a9 100644 --- a/crypto/blowfish_generic.c +++ b/crypto/blowfish_generic.c @@ -138,4 +138,5 @@ module_exit(blowfish_mod_fini); MODULE_LICENSE("GPL"); MODULE_DESCRIPTION("Blowfish Cipher Algorithm"); -MODULE_ALIAS("blowfish"); +MODULE_ALIAS_CRYPTO("blowfish"); +MODULE_ALIAS_CRYPTO("blowfish-generic"); diff --git a/crypto/camellia_generic.c b/crypto/camellia_generic.c index 26bcd7a2d6b..a02286bf319 100644 --- a/crypto/camellia_generic.c +++ b/crypto/camellia_generic.c @@ -1098,4 +1098,5 @@ module_exit(camellia_fini); MODULE_DESCRIPTION("Camellia Cipher Algorithm"); MODULE_LICENSE("GPL"); -MODULE_ALIAS("camellia"); +MODULE_ALIAS_CRYPTO("camellia"); +MODULE_ALIAS_CRYPTO("camellia-generic"); diff --git a/crypto/cast5_generic.c b/crypto/cast5_generic.c index 5558f630a0e..df5c7262938 100644 --- a/crypto/cast5_generic.c +++ b/crypto/cast5_generic.c @@ -549,4 +549,5 @@ module_exit(cast5_mod_fini); MODULE_LICENSE("GPL"); MODULE_DESCRIPTION("Cast5 Cipher Algorithm"); -MODULE_ALIAS("cast5"); +MODULE_ALIAS_CRYPTO("cast5"); +MODULE_ALIAS_CRYPTO("cast5-generic"); diff --git a/crypto/cast6_generic.c b/crypto/cast6_generic.c index de732528a43..058c8d755d0 100644 --- a/crypto/cast6_generic.c +++ b/crypto/cast6_generic.c @@ -291,4 +291,5 @@ module_exit(cast6_mod_fini); MODULE_LICENSE("GPL"); MODULE_DESCRIPTION("Cast6 Cipher Algorithm"); -MODULE_ALIAS("cast6"); +MODULE_ALIAS_CRYPTO("cast6"); +MODULE_ALIAS_CRYPTO("cast6-generic"); diff --git a/crypto/cbc.c b/crypto/cbc.c index 61ac42e1e32..780ee27b2d4 100644 --- a/crypto/cbc.c +++ b/crypto/cbc.c @@ -289,3 +289,4 @@ module_exit(crypto_cbc_module_exit); MODULE_LICENSE("GPL"); MODULE_DESCRIPTION("CBC block cipher algorithm"); +MODULE_ALIAS_CRYPTO("cbc"); diff --git a/crypto/ccm.c b/crypto/ccm.c index 1df84217f7c..003bbbd21a2 100644 --- a/crypto/ccm.c +++ b/crypto/ccm.c @@ -879,5 +879,6 @@ module_exit(crypto_ccm_module_exit); MODULE_LICENSE("GPL"); MODULE_DESCRIPTION("Counter with CBC MAC"); -MODULE_ALIAS("ccm_base"); -MODULE_ALIAS("rfc4309"); +MODULE_ALIAS_CRYPTO("ccm_base"); +MODULE_ALIAS_CRYPTO("rfc4309"); +MODULE_ALIAS_CRYPTO("ccm"); diff --git a/crypto/chainiv.c b/crypto/chainiv.c index 834d8dd3d4f..22b7e55b0e1 100644 --- a/crypto/chainiv.c +++ b/crypto/chainiv.c @@ -359,3 +359,4 @@ module_exit(chainiv_module_exit); MODULE_LICENSE("GPL"); MODULE_DESCRIPTION("Chain IV Generator"); +MODULE_ALIAS_CRYPTO("chainiv"); diff --git a/crypto/cmac.c b/crypto/cmac.c index 50880cf17fa..7a8bfbd548f 100644 --- a/crypto/cmac.c +++ b/crypto/cmac.c @@ -313,3 +313,4 @@ module_exit(crypto_cmac_module_exit); MODULE_LICENSE("GPL"); MODULE_DESCRIPTION("CMAC keyed hash algorithm"); +MODULE_ALIAS_CRYPTO("cmac"); diff --git a/crypto/crc32.c b/crypto/crc32.c index 9d1c4156989..187ded28cb0 100644 --- a/crypto/crc32.c +++ b/crypto/crc32.c @@ -156,3 +156,4 @@ module_exit(crc32_mod_fini); MODULE_AUTHOR("Alexander Boyko <alexander_boyko@xyratex.com>"); MODULE_DESCRIPTION("CRC32 calculations wrapper for lib/crc32"); MODULE_LICENSE("GPL"); +MODULE_ALIAS_CRYPTO("crc32"); diff --git a/crypto/crct10dif_generic.c b/crypto/crct10dif_generic.c index 877e7114ec5..c1229614c7e 100644 --- a/crypto/crct10dif_generic.c +++ b/crypto/crct10dif_generic.c @@ -124,4 +124,5 @@ module_exit(crct10dif_mod_fini); MODULE_AUTHOR("Tim Chen <tim.c.chen@linux.intel.com>"); MODULE_DESCRIPTION("T10 DIF CRC calculation."); MODULE_LICENSE("GPL"); -MODULE_ALIAS("crct10dif"); +MODULE_ALIAS_CRYPTO("crct10dif"); +MODULE_ALIAS_CRYPTO("crct10dif-generic"); diff --git a/crypto/cryptd.c b/crypto/cryptd.c index 7bdd61b867c..75c415d3708 100644 --- a/crypto/cryptd.c +++ b/crypto/cryptd.c @@ -955,3 +955,4 @@ module_exit(cryptd_exit); MODULE_LICENSE("GPL"); MODULE_DESCRIPTION("Software async crypto daemon"); +MODULE_ALIAS_CRYPTO("cryptd"); diff --git a/crypto/crypto_null.c b/crypto/crypto_null.c index fee7265cd35..7b39fa3deac 100644 --- a/crypto/crypto_null.c +++ b/crypto/crypto_null.c @@ -149,9 +149,9 @@ static struct crypto_alg null_algs[3] = { { .coa_decompress = null_compress } } } }; -MODULE_ALIAS("compress_null"); -MODULE_ALIAS("digest_null"); -MODULE_ALIAS("cipher_null"); +MODULE_ALIAS_CRYPTO("compress_null"); +MODULE_ALIAS_CRYPTO("digest_null"); +MODULE_ALIAS_CRYPTO("cipher_null"); static int __init crypto_null_mod_init(void) { diff --git a/crypto/ctr.c b/crypto/ctr.c index f2b94f27bb2..2386f731395 100644 --- a/crypto/ctr.c +++ b/crypto/ctr.c @@ -466,4 +466,5 @@ module_exit(crypto_ctr_module_exit); MODULE_LICENSE("GPL"); MODULE_DESCRIPTION("CTR Counter block mode"); -MODULE_ALIAS("rfc3686"); +MODULE_ALIAS_CRYPTO("rfc3686"); +MODULE_ALIAS_CRYPTO("ctr"); diff --git a/crypto/cts.c b/crypto/cts.c index 042223f8e73..60b9da3fa7c 100644 --- a/crypto/cts.c +++ b/crypto/cts.c @@ -350,3 +350,4 @@ module_exit(crypto_cts_module_exit); MODULE_LICENSE("Dual BSD/GPL"); MODULE_DESCRIPTION("CTS-CBC CipherText Stealing for CBC"); +MODULE_ALIAS_CRYPTO("cts"); diff --git a/crypto/deflate.c b/crypto/deflate.c index b57d70eb156..95d8d37c502 100644 --- a/crypto/deflate.c +++ b/crypto/deflate.c @@ -222,4 +222,4 @@ module_exit(deflate_mod_fini); MODULE_LICENSE("GPL"); MODULE_DESCRIPTION("Deflate Compression Algorithm for IPCOMP"); MODULE_AUTHOR("James Morris <jmorris@intercode.com.au>"); - +MODULE_ALIAS_CRYPTO("deflate"); diff --git a/crypto/des_generic.c b/crypto/des_generic.c index f6cf63f8846..3ec6071309d 100644 --- a/crypto/des_generic.c +++ b/crypto/des_generic.c @@ -971,8 +971,6 @@ static struct crypto_alg des_algs[2] = { { .cia_decrypt = des3_ede_decrypt } } } }; -MODULE_ALIAS("des3_ede"); - static int __init des_generic_mod_init(void) { return crypto_register_algs(des_algs, ARRAY_SIZE(des_algs)); @@ -989,4 +987,7 @@ module_exit(des_generic_mod_fini); MODULE_LICENSE("GPL"); MODULE_DESCRIPTION("DES & Triple DES EDE Cipher Algorithms"); MODULE_AUTHOR("Dag Arne Osvik <da@osvik.no>"); -MODULE_ALIAS("des"); +MODULE_ALIAS_CRYPTO("des"); +MODULE_ALIAS_CRYPTO("des-generic"); +MODULE_ALIAS_CRYPTO("des3_ede"); +MODULE_ALIAS_CRYPTO("des3_ede-generic"); diff --git a/crypto/ecb.c b/crypto/ecb.c index 935cfef4aa8..12011aff097 100644 --- a/crypto/ecb.c +++ b/crypto/ecb.c @@ -185,3 +185,4 @@ module_exit(crypto_ecb_module_exit); MODULE_LICENSE("GPL"); MODULE_DESCRIPTION("ECB block cipher algorithm"); +MODULE_ALIAS_CRYPTO("ecb"); diff --git a/crypto/eseqiv.c b/crypto/eseqiv.c index 42ce9f570ae..388f582ab0b 100644 --- a/crypto/eseqiv.c +++ b/crypto/eseqiv.c @@ -267,3 +267,4 @@ module_exit(eseqiv_module_exit); MODULE_LICENSE("GPL"); MODULE_DESCRIPTION("Encrypted Sequence Number IV Generator"); +MODULE_ALIAS_CRYPTO("eseqiv"); diff --git a/crypto/fcrypt.c b/crypto/fcrypt.c index 021d7fec6bc..77286ea2886 100644 --- a/crypto/fcrypt.c +++ b/crypto/fcrypt.c @@ -420,3 +420,4 @@ module_exit(fcrypt_mod_fini); MODULE_LICENSE("Dual BSD/GPL"); MODULE_DESCRIPTION("FCrypt Cipher Algorithm"); MODULE_AUTHOR("David Howells <dhowells@redhat.com>"); +MODULE_ALIAS_CRYPTO("fcrypt"); diff --git a/crypto/gcm.c b/crypto/gcm.c index b4f01793900..9cea4d0b690 100644 --- a/crypto/gcm.c +++ b/crypto/gcm.c @@ -1441,6 +1441,7 @@ module_exit(crypto_gcm_module_exit); MODULE_LICENSE("GPL"); MODULE_DESCRIPTION("Galois/Counter Mode"); MODULE_AUTHOR("Mikko Herranen <mh1@iki.fi>"); -MODULE_ALIAS("gcm_base"); -MODULE_ALIAS("rfc4106"); -MODULE_ALIAS("rfc4543"); +MODULE_ALIAS_CRYPTO("gcm_base"); +MODULE_ALIAS_CRYPTO("rfc4106"); +MODULE_ALIAS_CRYPTO("rfc4543"); +MODULE_ALIAS_CRYPTO("gcm"); diff --git a/crypto/ghash-generic.c b/crypto/ghash-generic.c index 9d3f0c69a86..bac70995e06 100644 --- a/crypto/ghash-generic.c +++ b/crypto/ghash-generic.c @@ -172,4 +172,5 @@ module_exit(ghash_mod_exit); MODULE_LICENSE("GPL"); MODULE_DESCRIPTION("GHASH Message Digest Algorithm"); -MODULE_ALIAS("ghash"); +MODULE_ALIAS_CRYPTO("ghash"); +MODULE_ALIAS_CRYPTO("ghash-generic"); diff --git a/crypto/hmac.c b/crypto/hmac.c index 8d9544cf816..ade790b454e 100644 --- a/crypto/hmac.c +++ b/crypto/hmac.c @@ -271,3 +271,4 @@ module_exit(hmac_module_exit); MODULE_LICENSE("GPL"); MODULE_DESCRIPTION("HMAC hash algorithm"); +MODULE_ALIAS_CRYPTO("hmac"); diff --git a/crypto/khazad.c b/crypto/khazad.c index 60e7cd66fac..873eb5ded6d 100644 --- a/crypto/khazad.c +++ b/crypto/khazad.c @@ -880,3 +880,4 @@ module_exit(khazad_mod_fini); MODULE_LICENSE("GPL"); MODULE_DESCRIPTION("Khazad Cryptographic Algorithm"); +MODULE_ALIAS_CRYPTO("khazad"); diff --git a/crypto/krng.c b/crypto/krng.c index a2d2b72fc13..0224841b657 100644 --- a/crypto/krng.c +++ b/crypto/krng.c @@ -62,4 +62,5 @@ module_exit(krng_mod_fini); MODULE_LICENSE("GPL"); MODULE_DESCRIPTION("Kernel Random Number Generator"); -MODULE_ALIAS("stdrng"); +MODULE_ALIAS_CRYPTO("stdrng"); +MODULE_ALIAS_CRYPTO("krng"); diff --git a/crypto/lrw.c b/crypto/lrw.c index ba42acc4deb..6f9908a7ebc 100644 --- a/crypto/lrw.c +++ b/crypto/lrw.c @@ -400,3 +400,4 @@ module_exit(crypto_module_exit); MODULE_LICENSE("GPL"); MODULE_DESCRIPTION("LRW block cipher mode"); +MODULE_ALIAS_CRYPTO("lrw"); diff --git a/crypto/lz4.c b/crypto/lz4.c index 4586dd15b0d..53279ab8c3a 100644 --- a/crypto/lz4.c +++ b/crypto/lz4.c @@ -104,3 +104,4 @@ module_exit(lz4_mod_fini); MODULE_LICENSE("GPL"); MODULE_DESCRIPTION("LZ4 Compression Algorithm"); +MODULE_ALIAS_CRYPTO("lz4"); diff --git a/crypto/lz4hc.c b/crypto/lz4hc.c index 151ba31d34e..eaec5fa3deb 100644 --- a/crypto/lz4hc.c +++ b/crypto/lz4hc.c @@ -104,3 +104,4 @@ module_exit(lz4hc_mod_fini); MODULE_LICENSE("GPL"); MODULE_DESCRIPTION("LZ4HC Compression Algorithm"); +MODULE_ALIAS_CRYPTO("lz4hc"); diff --git a/crypto/lzo.c b/crypto/lzo.c index 1c2aa69c54b..d1ff6940435 100644 --- a/crypto/lzo.c +++ b/crypto/lzo.c @@ -103,3 +103,4 @@ module_exit(lzo_mod_fini); MODULE_LICENSE("GPL"); MODULE_DESCRIPTION("LZO Compression Algorithm"); +MODULE_ALIAS_CRYPTO("lzo"); diff --git a/crypto/md4.c b/crypto/md4.c index 0477a6a01d5..3515af425cc 100644 --- a/crypto/md4.c +++ b/crypto/md4.c @@ -255,4 +255,4 @@ module_exit(md4_mod_fini); MODULE_LICENSE("GPL"); MODULE_DESCRIPTION("MD4 Message Digest Algorithm"); - +MODULE_ALIAS_CRYPTO("md4"); diff --git a/crypto/md5.c b/crypto/md5.c index 7febeaab923..36f5e5b103f 100644 --- a/crypto/md5.c +++ b/crypto/md5.c @@ -168,3 +168,4 @@ module_exit(md5_mod_fini); MODULE_LICENSE("GPL"); MODULE_DESCRIPTION("MD5 Message Digest Algorithm"); +MODULE_ALIAS_CRYPTO("md5"); diff --git a/crypto/michael_mic.c b/crypto/michael_mic.c index 079b761bc70..46195e0d0f4 100644 --- a/crypto/michael_mic.c +++ b/crypto/michael_mic.c @@ -184,3 +184,4 @@ module_exit(michael_mic_exit); MODULE_LICENSE("GPL v2"); MODULE_DESCRIPTION("Michael MIC"); MODULE_AUTHOR("Jouni Malinen <j@w1.fi>"); +MODULE_ALIAS_CRYPTO("michael_mic"); diff --git a/crypto/pcbc.c b/crypto/pcbc.c index d1b8bdfb585..f654965f093 100644 --- a/crypto/pcbc.c +++ b/crypto/pcbc.c @@ -295,3 +295,4 @@ module_exit(crypto_pcbc_module_exit); MODULE_LICENSE("GPL"); MODULE_DESCRIPTION("PCBC block cipher algorithm"); +MODULE_ALIAS_CRYPTO("pcbc"); diff --git a/crypto/pcrypt.c b/crypto/pcrypt.c index 309d345ead9..c305d411273 100644 --- a/crypto/pcrypt.c +++ b/crypto/pcrypt.c @@ -565,3 +565,4 @@ module_exit(pcrypt_exit); MODULE_LICENSE("GPL"); MODULE_AUTHOR("Steffen Klassert <steffen.klassert@secunet.com>"); MODULE_DESCRIPTION("Parallel crypto wrapper"); +MODULE_ALIAS_CRYPTO("pcrypt"); diff --git a/crypto/rmd128.c b/crypto/rmd128.c index 8a0f68b7f25..049486ede93 100644 --- a/crypto/rmd128.c +++ b/crypto/rmd128.c @@ -327,3 +327,4 @@ module_exit(rmd128_mod_fini); MODULE_LICENSE("GPL"); MODULE_AUTHOR("Adrian-Ken Rueegsegger <ken@codelabs.ch>"); MODULE_DESCRIPTION("RIPEMD-128 Message Digest"); +MODULE_ALIAS_CRYPTO("rmd128"); diff --git a/crypto/rmd160.c b/crypto/rmd160.c index 525d7bb752c..de585e51d45 100644 --- a/crypto/rmd160.c +++ b/crypto/rmd160.c @@ -371,3 +371,4 @@ module_exit(rmd160_mod_fini); MODULE_LICENSE("GPL"); MODULE_AUTHOR("Adrian-Ken Rueegsegger <ken@codelabs.ch>"); MODULE_DESCRIPTION("RIPEMD-160 Message Digest"); +MODULE_ALIAS_CRYPTO("rmd160"); diff --git a/crypto/rmd256.c b/crypto/rmd256.c index 69293d9b56e..4ec02a754e0 100644 --- a/crypto/rmd256.c +++ b/crypto/rmd256.c @@ -346,3 +346,4 @@ module_exit(rmd256_mod_fini); MODULE_LICENSE("GPL"); MODULE_AUTHOR("Adrian-Ken Rueegsegger <ken@codelabs.ch>"); MODULE_DESCRIPTION("RIPEMD-256 Message Digest"); +MODULE_ALIAS_CRYPTO("rmd256"); diff --git a/crypto/rmd320.c b/crypto/rmd320.c index 09f97dfdfbb..770f2cb369f 100644 --- a/crypto/rmd320.c +++ b/crypto/rmd320.c @@ -395,3 +395,4 @@ module_exit(rmd320_mod_fini); MODULE_LICENSE("GPL"); MODULE_AUTHOR("Adrian-Ken Rueegsegger <ken@codelabs.ch>"); MODULE_DESCRIPTION("RIPEMD-320 Message Digest"); +MODULE_ALIAS_CRYPTO("rmd320"); diff --git a/crypto/salsa20_generic.c b/crypto/salsa20_generic.c index 9a4770c0228..f550b5d9463 100644 --- a/crypto/salsa20_generic.c +++ b/crypto/salsa20_generic.c @@ -248,4 +248,5 @@ module_exit(salsa20_generic_mod_fini); MODULE_LICENSE("GPL"); MODULE_DESCRIPTION ("Salsa20 stream cipher algorithm"); -MODULE_ALIAS("salsa20"); +MODULE_ALIAS_CRYPTO("salsa20"); +MODULE_ALIAS_CRYPTO("salsa20-generic"); diff --git a/crypto/seed.c b/crypto/seed.c index 9c904d6d215..c6ba8438be4 100644 --- a/crypto/seed.c +++ b/crypto/seed.c @@ -476,3 +476,4 @@ module_exit(seed_fini); MODULE_DESCRIPTION("SEED Cipher Algorithm"); MODULE_LICENSE("GPL"); MODULE_AUTHOR("Hye-Shik Chang <perky@FreeBSD.org>, Kim Hyun <hkim@kisa.or.kr>"); +MODULE_ALIAS_CRYPTO("seed"); diff --git a/crypto/seqiv.c b/crypto/seqiv.c index f2cba4ed6f2..49a4069ff45 100644 --- a/crypto/seqiv.c +++ b/crypto/seqiv.c @@ -362,3 +362,4 @@ module_exit(seqiv_module_exit); MODULE_LICENSE("GPL"); MODULE_DESCRIPTION("Sequence Number IV Generator"); +MODULE_ALIAS_CRYPTO("seqiv"); diff --git a/crypto/serpent_generic.c b/crypto/serpent_generic.c index 7ddbd7e8885..94970a79497 100644 --- a/crypto/serpent_generic.c +++ b/crypto/serpent_generic.c @@ -665,5 +665,6 @@ module_exit(serpent_mod_fini); MODULE_LICENSE("GPL"); MODULE_DESCRIPTION("Serpent and tnepres (kerneli compatible serpent reversed) Cipher Algorithm"); MODULE_AUTHOR("Dag Arne Osvik <osvik@ii.uib.no>"); -MODULE_ALIAS("tnepres"); -MODULE_ALIAS("serpent"); +MODULE_ALIAS_CRYPTO("tnepres"); +MODULE_ALIAS_CRYPTO("serpent"); +MODULE_ALIAS_CRYPTO("serpent-generic"); diff --git a/crypto/sha1_generic.c b/crypto/sha1_generic.c index 42794803c48..fdf7c00de4b 100644 --- a/crypto/sha1_generic.c +++ b/crypto/sha1_generic.c @@ -153,4 +153,5 @@ module_exit(sha1_generic_mod_fini); MODULE_LICENSE("GPL"); MODULE_DESCRIPTION("SHA1 Secure Hash Algorithm"); -MODULE_ALIAS("sha1"); +MODULE_ALIAS_CRYPTO("sha1"); +MODULE_ALIAS_CRYPTO("sha1-generic"); diff --git a/crypto/sha256_generic.c b/crypto/sha256_generic.c index 54336677952..136381bdd48 100644 --- a/crypto/sha256_generic.c +++ b/crypto/sha256_generic.c @@ -384,5 +384,7 @@ module_exit(sha256_generic_mod_fini); MODULE_LICENSE("GPL"); MODULE_DESCRIPTION("SHA-224 and SHA-256 Secure Hash Algorithm"); -MODULE_ALIAS("sha224"); -MODULE_ALIAS("sha256"); +MODULE_ALIAS_CRYPTO("sha224"); +MODULE_ALIAS_CRYPTO("sha224-generic"); +MODULE_ALIAS_CRYPTO("sha256"); +MODULE_ALIAS_CRYPTO("sha256-generic"); diff --git a/crypto/sha512_generic.c b/crypto/sha512_generic.c index 6ed124f3ea0..6c6d901a7cc 100644 --- a/crypto/sha512_generic.c +++ b/crypto/sha512_generic.c @@ -287,5 +287,7 @@ module_exit(sha512_generic_mod_fini); MODULE_LICENSE("GPL"); MODULE_DESCRIPTION("SHA-512 and SHA-384 Secure Hash Algorithms"); -MODULE_ALIAS("sha384"); -MODULE_ALIAS("sha512"); +MODULE_ALIAS_CRYPTO("sha384"); +MODULE_ALIAS_CRYPTO("sha384-generic"); +MODULE_ALIAS_CRYPTO("sha512"); +MODULE_ALIAS_CRYPTO("sha512-generic"); diff --git a/crypto/tea.c b/crypto/tea.c index 0a572323ee4..b70b441c7d1 100644 --- a/crypto/tea.c +++ b/crypto/tea.c @@ -270,8 +270,9 @@ static void __exit tea_mod_fini(void) crypto_unregister_algs(tea_algs, ARRAY_SIZE(tea_algs)); } -MODULE_ALIAS("xtea"); -MODULE_ALIAS("xeta"); +MODULE_ALIAS_CRYPTO("tea"); +MODULE_ALIAS_CRYPTO("xtea"); +MODULE_ALIAS_CRYPTO("xeta"); module_init(tea_mod_init); module_exit(tea_mod_fini); diff --git a/crypto/tgr192.c b/crypto/tgr192.c index 87403556fd0..f7ed2fba396 100644 --- a/crypto/tgr192.c +++ b/crypto/tgr192.c @@ -676,8 +676,9 @@ static void __exit tgr192_mod_fini(void) crypto_unregister_shashes(tgr_algs, ARRAY_SIZE(tgr_algs)); } -MODULE_ALIAS("tgr160"); -MODULE_ALIAS("tgr128"); +MODULE_ALIAS_CRYPTO("tgr192"); +MODULE_ALIAS_CRYPTO("tgr160"); +MODULE_ALIAS_CRYPTO("tgr128"); module_init(tgr192_mod_init); module_exit(tgr192_mod_fini); diff --git a/crypto/twofish_generic.c b/crypto/twofish_generic.c index 2d5000552d0..ebf7a3efb57 100644 --- a/crypto/twofish_generic.c +++ b/crypto/twofish_generic.c @@ -211,4 +211,5 @@ module_exit(twofish_mod_fini); MODULE_LICENSE("GPL"); MODULE_DESCRIPTION ("Twofish Cipher Algorithm"); -MODULE_ALIAS("twofish"); +MODULE_ALIAS_CRYPTO("twofish"); +MODULE_ALIAS_CRYPTO("twofish-generic"); diff --git a/crypto/vmac.c b/crypto/vmac.c index 2eb11a30c29..bf2d3a89845 100644 --- a/crypto/vmac.c +++ b/crypto/vmac.c @@ -713,3 +713,4 @@ module_exit(vmac_module_exit); MODULE_LICENSE("GPL"); MODULE_DESCRIPTION("VMAC hash algorithm"); +MODULE_ALIAS_CRYPTO("vmac"); diff --git a/crypto/wp512.c b/crypto/wp512.c index 180f1d6e03f..253db94b547 100644 --- a/crypto/wp512.c +++ b/crypto/wp512.c @@ -1167,8 +1167,9 @@ static void __exit wp512_mod_fini(void) crypto_unregister_shashes(wp_algs, ARRAY_SIZE(wp_algs)); } -MODULE_ALIAS("wp384"); -MODULE_ALIAS("wp256"); +MODULE_ALIAS_CRYPTO("wp512"); +MODULE_ALIAS_CRYPTO("wp384"); +MODULE_ALIAS_CRYPTO("wp256"); module_init(wp512_mod_init); module_exit(wp512_mod_fini); diff --git a/crypto/xcbc.c b/crypto/xcbc.c index a5fbdf3738c..df90b332554 100644 --- a/crypto/xcbc.c +++ b/crypto/xcbc.c @@ -286,3 +286,4 @@ module_exit(crypto_xcbc_module_exit); MODULE_LICENSE("GPL"); MODULE_DESCRIPTION("XCBC keyed hash algorithm"); +MODULE_ALIAS_CRYPTO("xcbc"); diff --git a/crypto/xts.c b/crypto/xts.c index ca1608f44cb..f6fd43f100c 100644 --- a/crypto/xts.c +++ b/crypto/xts.c @@ -362,3 +362,4 @@ module_exit(crypto_module_exit); MODULE_LICENSE("GPL"); MODULE_DESCRIPTION("XTS block cipher mode"); +MODULE_ALIAS_CRYPTO("xts"); diff --git a/crypto/zlib.c b/crypto/zlib.c index 06b62e5cdcc..d9807883528 100644 --- a/crypto/zlib.c +++ b/crypto/zlib.c @@ -378,3 +378,4 @@ module_exit(zlib_mod_fini); MODULE_LICENSE("GPL"); MODULE_DESCRIPTION("Zlib Compression Algorithm"); MODULE_AUTHOR("Sony Corporation"); +MODULE_ALIAS_CRYPTO("zlib"); diff --git a/drivers/ata/libata-sff.c b/drivers/ata/libata-sff.c index 37acda6fa7e..136803c47cd 100644 --- a/drivers/ata/libata-sff.c +++ b/drivers/ata/libata-sff.c @@ -1333,7 +1333,19 @@ void ata_sff_flush_pio_task(struct ata_port *ap) DPRINTK("ENTER\n"); cancel_delayed_work_sync(&ap->sff_pio_task); + + /* + * We wanna reset the HSM state to IDLE. If we do so without + * grabbing the port lock, critical sections protected by it which + * expect the HSM state to stay stable may get surprised. For + * example, we may set IDLE in between the time + * __ata_sff_port_intr() checks for HSM_ST_IDLE and before it calls + * ata_sff_hsm_move() causing ata_sff_hsm_move() to BUG(). + */ + spin_lock_irq(ap->lock); ap->hsm_task_state = HSM_ST_IDLE; + spin_unlock_irq(ap->lock); + ap->sff_pio_task_link = NULL; if (ata_msg_ctl(ap)) diff --git a/drivers/ata/sata_dwc_460ex.c b/drivers/ata/sata_dwc_460ex.c index 73510d0d140..113d7226cb6 100644 --- a/drivers/ata/sata_dwc_460ex.c +++ b/drivers/ata/sata_dwc_460ex.c @@ -798,7 +798,7 @@ static int dma_dwc_init(struct sata_dwc_device *hsdev, int irq) if (err) { dev_err(host_pvt.dwc_dev, "%s: dma_request_interrupts returns" " %d\n", __func__, err); - goto error_out; + return err; } /* Enabe DMA */ @@ -809,11 +809,6 @@ static int dma_dwc_init(struct sata_dwc_device *hsdev, int irq) sata_dma_regs); return 0; - -error_out: - dma_dwc_exit(hsdev); - - return err; } static int sata_dwc_scr_read(struct ata_link *link, unsigned int scr, u32 *val) @@ -1663,7 +1658,7 @@ static int sata_dwc_probe(struct platform_device *ofdev) char *ver = (char *)&versionr; u8 *base = NULL; int err = 0; - int irq, rc; + int irq; struct ata_host *host; struct ata_port_info pi = sata_dwc_port_info[0]; const struct ata_port_info *ppi[] = { &pi, NULL }; @@ -1726,7 +1721,7 @@ static int sata_dwc_probe(struct platform_device *ofdev) if (irq == NO_IRQ) { dev_err(&ofdev->dev, "no SATA DMA irq\n"); err = -ENODEV; - goto error_out; + goto error_iomap; } /* Get physical SATA DMA register base address */ @@ -1735,14 +1730,16 @@ static int sata_dwc_probe(struct platform_device *ofdev) dev_err(&ofdev->dev, "ioremap failed for AHBDMA register" " address\n"); err = -ENODEV; - goto error_out; + goto error_iomap; } /* Save dev for later use in dev_xxx() routines */ host_pvt.dwc_dev = &ofdev->dev; /* Initialize AHB DMAC */ - dma_dwc_init(hsdev, irq); + err = dma_dwc_init(hsdev, irq); + if (err) + goto error_dma_iomap; /* Enable SATA Interrupts */ sata_dwc_enable_interrupts(hsdev); @@ -1760,9 +1757,8 @@ static int sata_dwc_probe(struct platform_device *ofdev) * device discovery process, invoking our port_start() handler & * error_handler() to execute a dummy Softreset EH session */ - rc = ata_host_activate(host, irq, sata_dwc_isr, 0, &sata_dwc_sht); - - if (rc != 0) + err = ata_host_activate(host, irq, sata_dwc_isr, 0, &sata_dwc_sht); + if (err) dev_err(&ofdev->dev, "failed to activate host"); dev_set_drvdata(&ofdev->dev, host); @@ -1771,7 +1767,8 @@ static int sata_dwc_probe(struct platform_device *ofdev) error_out: /* Free SATA DMA resources */ dma_dwc_exit(hsdev); - +error_dma_iomap: + iounmap((void __iomem *)host_pvt.sata_dma_regs); error_iomap: iounmap(base); error_kmalloc: @@ -1792,6 +1789,7 @@ static int sata_dwc_remove(struct platform_device *ofdev) /* Free SATA DMA resources */ dma_dwc_exit(hsdev); + iounmap((void __iomem *)host_pvt.sata_dma_regs); iounmap(hsdev->reg_base); kfree(hsdev); kfree(host); diff --git a/drivers/block/drbd/drbd_req.c b/drivers/block/drbd/drbd_req.c index 104a040f24d..6efdbeafa33 100644 --- a/drivers/block/drbd/drbd_req.c +++ b/drivers/block/drbd/drbd_req.c @@ -1310,6 +1310,7 @@ int drbd_merge_bvec(struct request_queue *q, struct bvec_merge_data *bvm, struct struct request_queue * const b = mdev->ldev->backing_bdev->bd_disk->queue; if (b->merge_bvec_fn) { + bvm->bi_bdev = mdev->ldev->backing_bdev; backing_limit = b->merge_bvec_fn(b, bvm, bvec); limit = min(limit, backing_limit); } diff --git a/drivers/bus/mvebu-mbus.c b/drivers/bus/mvebu-mbus.c index 372ae72cce3..e990deed2d3 100644 --- a/drivers/bus/mvebu-mbus.c +++ b/drivers/bus/mvebu-mbus.c @@ -181,12 +181,25 @@ static void mvebu_mbus_disable_window(struct mvebu_mbus_state *mbus, } /* Checks whether the given window number is available */ + +/* On Armada XP, 375 and 38x the MBus window 13 has the remap + * capability, like windows 0 to 7. However, the mvebu-mbus driver + * isn't currently taking into account this special case, which means + * that when window 13 is actually used, the remap registers are left + * to 0, making the device using this MBus window unavailable. The + * quick fix for stable is to not use window 13. A follow up patch + * will correctly handle this window. +*/ static int mvebu_mbus_window_is_free(struct mvebu_mbus_state *mbus, const int win) { void __iomem *addr = mbus->mbuswins_base + mbus->soc->win_cfg_offset(win); u32 ctrl = readl(addr + WIN_CTRL_OFF); + + if (win == 13) + return false; + return !(ctrl & WIN_CTRL_ENABLE); } diff --git a/drivers/clk/clk.c b/drivers/clk/clk.c index adbfa1ef0d2..b3b40d42f75 100644 --- a/drivers/clk/clk.c +++ b/drivers/clk/clk.c @@ -2302,14 +2302,17 @@ int __clk_get(struct clk *clk) void __clk_put(struct clk *clk) { + struct module *owner; + if (!clk || WARN_ON_ONCE(IS_ERR(clk))) return; clk_prepare_lock(); + owner = clk->owner; kref_put(&clk->ref, __clk_release); clk_prepare_unlock(); - module_put(clk->owner); + module_put(owner); } /*** clk rate change notifiers ***/ diff --git a/drivers/clk/samsung/clk-exynos-audss.c b/drivers/clk/samsung/clk-exynos-audss.c index 884187fbfe0..7f30b94c00a 100644 --- a/drivers/clk/samsung/clk-exynos-audss.c +++ b/drivers/clk/samsung/clk-exynos-audss.c @@ -210,6 +210,10 @@ static int exynos_audss_clk_remove(struct platform_device *pdev) { int i; +#ifdef CONFIG_PM_SLEEP + unregister_syscore_ops(&exynos_audss_clk_syscore_ops); +#endif + of_clk_del_provider(pdev->dev.of_node); for (i = 0; i < clk_data.clk_num; i++) { diff --git a/drivers/clocksource/exynos_mct.c b/drivers/clocksource/exynos_mct.c index e252939b9ee..831b48287a2 100644 --- a/drivers/clocksource/exynos_mct.c +++ b/drivers/clocksource/exynos_mct.c @@ -98,8 +98,8 @@ static void exynos4_mct_write(unsigned int value, unsigned long offset) __raw_writel(value, reg_base + offset); if (likely(offset >= EXYNOS4_MCT_L_BASE(0))) { - stat_addr = (offset & ~EXYNOS4_MCT_L_MASK) + MCT_L_WSTAT_OFFSET; - switch (offset & EXYNOS4_MCT_L_MASK) { + stat_addr = (offset & EXYNOS4_MCT_L_MASK) + MCT_L_WSTAT_OFFSET; + switch (offset & ~EXYNOS4_MCT_L_MASK) { case MCT_L_TCON_OFFSET: mask = 1 << 3; /* L_TCON write status */ break; diff --git a/drivers/crypto/padlock-aes.c b/drivers/crypto/padlock-aes.c index 633ba945e15..c178ed8c390 100644 --- a/drivers/crypto/padlock-aes.c +++ b/drivers/crypto/padlock-aes.c @@ -563,4 +563,4 @@ MODULE_DESCRIPTION("VIA PadLock AES algorithm support"); MODULE_LICENSE("GPL"); MODULE_AUTHOR("Michal Ludvig"); -MODULE_ALIAS("aes"); +MODULE_ALIAS_CRYPTO("aes"); diff --git a/drivers/crypto/padlock-sha.c b/drivers/crypto/padlock-sha.c index 9266c0e2549..93d7753ab38 100644 --- a/drivers/crypto/padlock-sha.c +++ b/drivers/crypto/padlock-sha.c @@ -593,7 +593,7 @@ MODULE_DESCRIPTION("VIA PadLock SHA1/SHA256 algorithms support."); MODULE_LICENSE("GPL"); MODULE_AUTHOR("Michal Ludvig"); -MODULE_ALIAS("sha1-all"); -MODULE_ALIAS("sha256-all"); -MODULE_ALIAS("sha1-padlock"); -MODULE_ALIAS("sha256-padlock"); +MODULE_ALIAS_CRYPTO("sha1-all"); +MODULE_ALIAS_CRYPTO("sha256-all"); +MODULE_ALIAS_CRYPTO("sha1-padlock"); +MODULE_ALIAS_CRYPTO("sha256-padlock"); diff --git a/drivers/crypto/ux500/cryp/cryp_core.c b/drivers/crypto/ux500/cryp/cryp_core.c index 92105f3dc8e..e4cea7c4514 100644 --- a/drivers/crypto/ux500/cryp/cryp_core.c +++ b/drivers/crypto/ux500/cryp/cryp_core.c @@ -1810,7 +1810,7 @@ module_exit(ux500_cryp_mod_fini); module_param(cryp_mode, int, 0); MODULE_DESCRIPTION("Driver for ST-Ericsson UX500 CRYP crypto engine."); -MODULE_ALIAS("aes-all"); -MODULE_ALIAS("des-all"); +MODULE_ALIAS_CRYPTO("aes-all"); +MODULE_ALIAS_CRYPTO("des-all"); MODULE_LICENSE("GPL"); diff --git a/drivers/crypto/ux500/hash/hash_core.c b/drivers/crypto/ux500/hash/hash_core.c index 1c73f4fbc25..8e5e0187506 100644 --- a/drivers/crypto/ux500/hash/hash_core.c +++ b/drivers/crypto/ux500/hash/hash_core.c @@ -1995,7 +1995,7 @@ module_exit(ux500_hash_mod_fini); MODULE_DESCRIPTION("Driver for ST-Ericsson UX500 HASH engine."); MODULE_LICENSE("GPL"); -MODULE_ALIAS("sha1-all"); -MODULE_ALIAS("sha256-all"); -MODULE_ALIAS("hmac-sha1-all"); -MODULE_ALIAS("hmac-sha256-all"); +MODULE_ALIAS_CRYPTO("sha1-all"); +MODULE_ALIAS_CRYPTO("sha256-all"); +MODULE_ALIAS_CRYPTO("hmac-sha1-all"); +MODULE_ALIAS_CRYPTO("hmac-sha256-all"); diff --git a/drivers/gpio/gpio-mcp23s08.c b/drivers/gpio/gpio-mcp23s08.c index aa379971d70..e9178de8ec1 100644 --- a/drivers/gpio/gpio-mcp23s08.c +++ b/drivers/gpio/gpio-mcp23s08.c @@ -584,6 +584,7 @@ static int mcp23s08_probe_one(struct mcp23s08 *mcp, struct device *dev, unsigned base, unsigned pullups) { int status; + u32 init_dir = 0, init_val = 0; bool mirror = false; mutex_init(&mcp->lock); @@ -672,6 +673,14 @@ static int mcp23s08_probe_one(struct mcp23s08 *mcp, struct device *dev, if (status < 0) goto fail; + if (of_property_read_u32(mcp->chip.of_node, + "init-dir", &init_dir) == 0) + status = mcp->ops->write(mcp, MCP_IODIR, init_dir); + + if (of_property_read_u32(mcp->chip.of_node, + "init-val", &init_val) == 0) + status = mcp->ops->write(mcp, MCP_OLAT, init_val); + status = mcp->ops->read_regs(mcp, 0, mcp->cache, ARRAY_SIZE(mcp->cache)); if (status < 0) goto fail; diff --git a/drivers/gpio/gpiolib-of.c b/drivers/gpio/gpiolib-of.c index e0a98f581f5..74ed17d6cfa 100644 --- a/drivers/gpio/gpiolib-of.c +++ b/drivers/gpio/gpiolib-of.c @@ -44,8 +44,14 @@ static int of_gpiochip_find_and_xlate(struct gpio_chip *gc, void *data) return false; ret = gc->of_xlate(gc, &gg_data->gpiospec, gg_data->flags); - if (ret < 0) - return false; + if (ret < 0) { + /* We've found the gpio chip, but the translation failed. + * Return true to stop looking and return the translation + * error via out_gpio + */ + gg_data->out_gpio = ERR_PTR(ret); + return true; + } gg_data->out_gpio = gpio_to_desc(ret + gc->base); return true; diff --git a/drivers/gpio/gpiolib.c b/drivers/gpio/gpiolib.c index 9b241bcb510..3542137441c 100644 --- a/drivers/gpio/gpiolib.c +++ b/drivers/gpio/gpiolib.c @@ -408,7 +408,7 @@ static ssize_t gpio_value_store(struct device *dev, return status; } -static const DEVICE_ATTR(value, 0644, +static DEVICE_ATTR(value, 0644, gpio_value_show, gpio_value_store); static irqreturn_t gpio_sysfs_irq(int irq, void *priv) @@ -633,18 +633,16 @@ static ssize_t gpio_active_low_store(struct device *dev, return status ? : size; } -static const DEVICE_ATTR(active_low, 0644, +static DEVICE_ATTR(active_low, 0644, gpio_active_low_show, gpio_active_low_store); -static const struct attribute *gpio_attrs[] = { +static struct attribute *gpio_attrs[] = { &dev_attr_value.attr, &dev_attr_active_low.attr, NULL, }; -static const struct attribute_group gpio_attr_group = { - .attrs = (struct attribute **) gpio_attrs, -}; +ATTRIBUTE_GROUPS(gpio); /* * /sys/class/gpio/gpiochipN/ @@ -680,16 +678,13 @@ static ssize_t chip_ngpio_show(struct device *dev, } static DEVICE_ATTR(ngpio, 0444, chip_ngpio_show, NULL); -static const struct attribute *gpiochip_attrs[] = { +static struct attribute *gpiochip_attrs[] = { &dev_attr_base.attr, &dev_attr_label.attr, &dev_attr_ngpio.attr, NULL, }; - -static const struct attribute_group gpiochip_attr_group = { - .attrs = (struct attribute **) gpiochip_attrs, -}; +ATTRIBUTE_GROUPS(gpiochip); /* * /sys/class/gpio/export ... write-only @@ -844,18 +839,15 @@ int gpiod_export(struct gpio_desc *desc, bool direction_may_change) if (desc->chip->names && desc->chip->names[offset]) ioname = desc->chip->names[offset]; - dev = device_create(&gpio_class, desc->chip->dev, MKDEV(0, 0), - desc, ioname ? ioname : "gpio%u", - desc_to_gpio(desc)); + dev = device_create_with_groups(&gpio_class, desc->chip->dev, + MKDEV(0, 0), desc, gpio_groups, + ioname ? ioname : "gpio%u", + desc_to_gpio(desc)); if (IS_ERR(dev)) { status = PTR_ERR(dev); goto fail_unlock; } - status = sysfs_create_group(&dev->kobj, &gpio_attr_group); - if (status) - goto fail_unregister_device; - if (direction_may_change) { status = device_create_file(dev, &dev_attr_direction); if (status) @@ -866,13 +858,15 @@ int gpiod_export(struct gpio_desc *desc, bool direction_may_change) !test_bit(FLAG_IS_OUT, &desc->flags))) { status = device_create_file(dev, &dev_attr_edge); if (status) - goto fail_unregister_device; + goto fail_remove_attr_direction; } set_bit(FLAG_EXPORT, &desc->flags); mutex_unlock(&sysfs_lock); return 0; +fail_remove_attr_direction: + device_remove_file(dev, &dev_attr_direction); fail_unregister_device: device_unregister(dev); fail_unlock: @@ -1006,6 +1000,8 @@ void gpiod_unexport(struct gpio_desc *desc) mutex_unlock(&sysfs_lock); if (dev) { + device_remove_file(dev, &dev_attr_edge); + device_remove_file(dev, &dev_attr_direction); device_unregister(dev); put_device(dev); } @@ -1030,13 +1026,13 @@ static int gpiochip_export(struct gpio_chip *chip) /* use chip->base for the ID; it's already known to be unique */ mutex_lock(&sysfs_lock); - dev = device_create(&gpio_class, chip->dev, MKDEV(0, 0), chip, - "gpiochip%d", chip->base); - if (!IS_ERR(dev)) { - status = sysfs_create_group(&dev->kobj, - &gpiochip_attr_group); - } else + dev = device_create_with_groups(&gpio_class, chip->dev, MKDEV(0, 0), + chip, gpiochip_groups, + "gpiochip%d", chip->base); + if (IS_ERR(dev)) status = PTR_ERR(dev); + else + status = 0; chip->exported = (status == 0); mutex_unlock(&sysfs_lock); @@ -1222,6 +1218,9 @@ int gpiochip_add(struct gpio_chip *chip) spin_unlock_irqrestore(&gpio_lock, flags); + if (status) + goto fail; + #ifdef CONFIG_PINCTRL INIT_LIST_HEAD(&chip->pin_ranges); #endif @@ -1229,12 +1228,12 @@ int gpiochip_add(struct gpio_chip *chip) of_gpiochip_add(chip); acpi_gpiochip_add(chip); - if (status) - goto fail; - status = gpiochip_export(chip); - if (status) + if (status) { + acpi_gpiochip_remove(chip); + of_gpiochip_remove(chip); goto fail; + } pr_debug("%s: registered GPIOs %d to %d on device: %s\n", __func__, chip->base, chip->base + chip->ngpio - 1, diff --git a/drivers/gpu/drm/i915/i915_gem.c b/drivers/gpu/drm/i915/i915_gem.c index 15953551d02..fca1d554437 100644 --- a/drivers/gpu/drm/i915/i915_gem.c +++ b/drivers/gpu/drm/i915/i915_gem.c @@ -4979,7 +4979,7 @@ static bool mutex_is_locked_by(struct mutex *mutex, struct task_struct *task) if (!mutex_is_locked(mutex)) return false; -#if defined(CONFIG_SMP) || defined(CONFIG_DEBUG_MUTEXES) +#if defined(CONFIG_SMP) && !defined(CONFIG_DEBUG_MUTEXES) return mutex->owner == task; #else /* Since UP may be pre-empted, we cannot assume that we own the lock */ diff --git a/drivers/gpu/drm/i915/i915_gem_stolen.c b/drivers/gpu/drm/i915/i915_gem_stolen.c index 3c78b226820..800e06c2801 100644 --- a/drivers/gpu/drm/i915/i915_gem_stolen.c +++ b/drivers/gpu/drm/i915/i915_gem_stolen.c @@ -137,7 +137,11 @@ static unsigned long i915_stolen_to_physical(struct drm_device *dev) r = devm_request_mem_region(dev->dev, base + 1, dev_priv->gtt.stolen_size - 1, "Graphics Stolen Memory"); - if (r == NULL) { + /* + * GEN3 firmware likes to smash pci bridges into the stolen + * range. Apparently this works. + */ + if (r == NULL && !IS_GEN3(dev)) { DRM_ERROR("conflict detected with stolen region: [0x%08x - 0x%08x]\n", base, base + (uint32_t)dev_priv->gtt.stolen_size); base = 0; diff --git a/drivers/gpu/drm/i915/i915_reg.h b/drivers/gpu/drm/i915/i915_reg.h index 0a3b9386eb4..0c83b3dab58 100644 --- a/drivers/gpu/drm/i915/i915_reg.h +++ b/drivers/gpu/drm/i915/i915_reg.h @@ -320,6 +320,7 @@ #define PIPE_CONTROL_GLOBAL_GTT_IVB (1<<24) /* gen7+ */ #define PIPE_CONTROL_CS_STALL (1<<20) #define PIPE_CONTROL_TLB_INVALIDATE (1<<18) +#define PIPE_CONTROL_MEDIA_STATE_CLEAR (1<<16) #define PIPE_CONTROL_QW_WRITE (1<<14) #define PIPE_CONTROL_DEPTH_STALL (1<<13) #define PIPE_CONTROL_WRITE_FLUSH (1<<12) diff --git a/drivers/gpu/drm/i915/intel_ringbuffer.c b/drivers/gpu/drm/i915/intel_ringbuffer.c index d488fc71ef4..d2af1e138c9 100644 --- a/drivers/gpu/drm/i915/intel_ringbuffer.c +++ b/drivers/gpu/drm/i915/intel_ringbuffer.c @@ -334,12 +334,15 @@ gen7_render_ring_flush(struct intel_ring_buffer *ring, flags |= PIPE_CONTROL_VF_CACHE_INVALIDATE; flags |= PIPE_CONTROL_CONST_CACHE_INVALIDATE; flags |= PIPE_CONTROL_STATE_CACHE_INVALIDATE; + flags |= PIPE_CONTROL_MEDIA_STATE_CLEAR; /* * TLB invalidate requires a post-sync write. */ flags |= PIPE_CONTROL_QW_WRITE; flags |= PIPE_CONTROL_GLOBAL_GTT_IVB; + flags |= PIPE_CONTROL_STALL_AT_SCOREBOARD; + /* Workaround: we must issue a pipe_control with CS-stall bit * set before a pipe_control command that has the state cache * invalidate bit set. */ diff --git a/drivers/gpu/drm/i915/intel_uncore.c b/drivers/gpu/drm/i915/intel_uncore.c index c8796316d24..b6c063cad59 100644 --- a/drivers/gpu/drm/i915/intel_uncore.c +++ b/drivers/gpu/drm/i915/intel_uncore.c @@ -451,8 +451,8 @@ hsw_unclaimed_reg_check(struct drm_i915_private *dev_priv, u32 reg) static void assert_device_not_suspended(struct drm_i915_private *dev_priv) { - WARN(HAS_RUNTIME_PM(dev_priv->dev) && dev_priv->pm.suspended, - "Device suspended\n"); + WARN_ONCE(HAS_RUNTIME_PM(dev_priv->dev) && dev_priv->pm.suspended, + "Device suspended\n"); } #define REG_READ_HEADER(x) \ diff --git a/drivers/gpu/drm/nouveau/core/subdev/mc/nv4c.c b/drivers/gpu/drm/nouveau/core/subdev/mc/nv4c.c index a75c35ccf25..165401c4045 100644 --- a/drivers/gpu/drm/nouveau/core/subdev/mc/nv4c.c +++ b/drivers/gpu/drm/nouveau/core/subdev/mc/nv4c.c @@ -24,13 +24,6 @@ #include "nv04.h" -static void -nv4c_mc_msi_rearm(struct nouveau_mc *pmc) -{ - struct nv04_mc_priv *priv = (void *)pmc; - nv_wr08(priv, 0x088050, 0xff); -} - struct nouveau_oclass * nv4c_mc_oclass = &(struct nouveau_mc_oclass) { .base.handle = NV_SUBDEV(MC, 0x4c), @@ -41,5 +34,4 @@ nv4c_mc_oclass = &(struct nouveau_mc_oclass) { .fini = _nouveau_mc_fini, }, .intr = nv04_mc_intr, - .msi_rearm = nv4c_mc_msi_rearm, }.base; diff --git a/drivers/gpu/drm/omapdrm/omap_drv.h b/drivers/gpu/drm/omapdrm/omap_drv.h index a02b5131669..8f1758cec62 100644 --- a/drivers/gpu/drm/omapdrm/omap_drv.h +++ b/drivers/gpu/drm/omapdrm/omap_drv.h @@ -115,6 +115,8 @@ struct omap_drm_private { /* properties: */ struct drm_property *rotation_prop; struct drm_property *zorder_prop; + struct drm_property *global_alpha_prop; + struct drm_property *pre_mult_alpha_prop; /* irq handling: */ struct list_head irq_list; /* list of omap_drm_irq */ diff --git a/drivers/gpu/drm/omapdrm/omap_plane.c b/drivers/gpu/drm/omapdrm/omap_plane.c index 8f8b3041e61..e67873daa9d 100644 --- a/drivers/gpu/drm/omapdrm/omap_plane.c +++ b/drivers/gpu/drm/omapdrm/omap_plane.c @@ -320,6 +320,11 @@ int omap_plane_dpms(struct drm_plane *plane, int mode) return ret; } +static const struct drm_prop_enum_list pre_mult[] = { + { 0, "disable"}, + { 1, "enable"}, +}; + /* helper to install properties which are common to planes and crtcs */ void omap_plane_install_properties(struct drm_plane *plane, struct drm_mode_object *obj) @@ -356,6 +361,26 @@ void omap_plane_install_properties(struct drm_plane *plane, priv->zorder_prop = prop; } drm_object_attach_property(obj, prop, 0); + + prop = priv->global_alpha_prop; + if (!prop) { + prop = drm_property_create_range(dev, 0, "global_alpha", + 0, 255); + if (prop == NULL) + return; + priv->global_alpha_prop = prop; + } + drm_object_attach_property(obj, prop, 0); + + prop = priv->pre_mult_alpha_prop; + if (!prop) { + prop = drm_property_create_enum(dev, 0, "pre_mult_alpha", + pre_mult, ARRAY_SIZE(pre_mult)); + if (prop == NULL) + return; + priv->pre_mult_alpha_prop = prop; + } + drm_object_attach_property(obj, prop, 0); } int omap_plane_set_property(struct drm_plane *plane, @@ -373,6 +398,15 @@ int omap_plane_set_property(struct drm_plane *plane, DBG("%s: zorder: %02x", omap_plane->name, (uint32_t)val); omap_plane->info.zorder = val; ret = apply(plane); + } else if (property == priv->global_alpha_prop) { + DBG("%s: global_alpha: %02x", omap_plane->name, (uint32_t)val); + omap_plane->info.global_alpha = val; + ret = apply(plane); + } else if (property == priv->pre_mult_alpha_prop) { + DBG("%s: pre_mult_alpha: %02x", omap_plane->name, + (uint32_t)val); + omap_plane->info.pre_mult_alpha = val; + ret = apply(plane); } return ret; diff --git a/drivers/gpu/drm/radeon/atombios_dp.c b/drivers/gpu/drm/radeon/atombios_dp.c index 5727dbdeda7..b4dbaded2ca 100644 --- a/drivers/gpu/drm/radeon/atombios_dp.c +++ b/drivers/gpu/drm/radeon/atombios_dp.c @@ -576,6 +576,10 @@ int radeon_dp_mode_valid_helper(struct drm_connector *connector, struct radeon_connector_atom_dig *dig_connector; int dp_clock; + if ((mode->clock > 340000) && + (!radeon_connector_is_dp12_capable(connector))) + return MODE_CLOCK_HIGH; + if (!radeon_connector->con_priv) return MODE_CLOCK_HIGH; dig_connector = radeon_connector->con_priv; diff --git a/drivers/gpu/drm/radeon/ci_dpm.c b/drivers/gpu/drm/radeon/ci_dpm.c index 543ba2d4a65..c7c28564685 100644 --- a/drivers/gpu/drm/radeon/ci_dpm.c +++ b/drivers/gpu/drm/radeon/ci_dpm.c @@ -4733,7 +4733,7 @@ void ci_dpm_disable(struct radeon_device *rdev) ci_enable_spread_spectrum(rdev, false); ci_enable_auto_throttle_source(rdev, RADEON_DPM_AUTO_THROTTLE_SRC_THERMAL, false); ci_stop_dpm(rdev); - ci_enable_ds_master_switch(rdev, true); + ci_enable_ds_master_switch(rdev, false); ci_enable_ulv(rdev, false); ci_clear_vc(rdev); ci_reset_to_default(rdev); diff --git a/drivers/gpu/drm/radeon/cik.c b/drivers/gpu/drm/radeon/cik.c index ddf70d6c027..8ef67cb4ef1 100644 --- a/drivers/gpu/drm/radeon/cik.c +++ b/drivers/gpu/drm/radeon/cik.c @@ -5879,6 +5879,7 @@ static void cik_enable_mgcg(struct radeon_device *rdev, bool enable) } orig = data = RREG32(RLC_CGTT_MGCG_OVERRIDE); + data |= 0x00000001; data &= 0xfffffffd; if (orig != data) WREG32(RLC_CGTT_MGCG_OVERRIDE, data); @@ -5910,7 +5911,7 @@ static void cik_enable_mgcg(struct radeon_device *rdev, bool enable) } } else { orig = data = RREG32(RLC_CGTT_MGCG_OVERRIDE); - data |= 0x00000002; + data |= 0x00000003; if (orig != data) WREG32(RLC_CGTT_MGCG_OVERRIDE, data); diff --git a/drivers/gpu/drm/radeon/radeon_asic.c b/drivers/gpu/drm/radeon/radeon_asic.c index 5600d4c5f98..64d6cfba995 100644 --- a/drivers/gpu/drm/radeon/radeon_asic.c +++ b/drivers/gpu/drm/radeon/radeon_asic.c @@ -335,6 +335,20 @@ static struct radeon_asic_ring r300_gfx_ring = { .set_wptr = &r100_gfx_set_wptr, }; +static struct radeon_asic_ring rv515_gfx_ring = { + .ib_execute = &r100_ring_ib_execute, + .emit_fence = &r300_fence_ring_emit, + .emit_semaphore = &r100_semaphore_ring_emit, + .cs_parse = &r300_cs_parse, + .ring_start = &rv515_ring_start, + .ring_test = &r100_ring_test, + .ib_test = &r100_ib_test, + .is_lockup = &r100_gpu_is_lockup, + .get_rptr = &r100_gfx_get_rptr, + .get_wptr = &r100_gfx_get_wptr, + .set_wptr = &r100_gfx_set_wptr, +}; + static struct radeon_asic r300_asic = { .init = &r300_init, .fini = &r300_fini, @@ -756,7 +770,7 @@ static struct radeon_asic rv515_asic = { .set_page = &rv370_pcie_gart_set_page, }, .ring = { - [RADEON_RING_TYPE_GFX_INDEX] = &r300_gfx_ring + [RADEON_RING_TYPE_GFX_INDEX] = &rv515_gfx_ring }, .irq = { .set = &rs600_irq_set, @@ -823,7 +837,7 @@ static struct radeon_asic r520_asic = { .set_page = &rv370_pcie_gart_set_page, }, .ring = { - [RADEON_RING_TYPE_GFX_INDEX] = &r300_gfx_ring + [RADEON_RING_TYPE_GFX_INDEX] = &rv515_gfx_ring }, .irq = { .set = &rs600_irq_set, diff --git a/drivers/gpu/drm/radeon/radeon_pm.c b/drivers/gpu/drm/radeon/radeon_pm.c index cfb513f933d..0095ee7fce3 100644 --- a/drivers/gpu/drm/radeon/radeon_pm.c +++ b/drivers/gpu/drm/radeon/radeon_pm.c @@ -1260,8 +1260,39 @@ dpm_failed: return ret; } +struct radeon_dpm_quirk { + u32 chip_vendor; + u32 chip_device; + u32 subsys_vendor; + u32 subsys_device; +}; + +/* cards with dpm stability problems */ +static struct radeon_dpm_quirk radeon_dpm_quirk_list[] = { + /* TURKS - https://bugs.launchpad.net/ubuntu/+source/linux/+bug/1386534 */ + { PCI_VENDOR_ID_ATI, 0x6759, 0x1682, 0x3195 }, + /* TURKS - https://bugzilla.kernel.org/show_bug.cgi?id=83731 */ + { PCI_VENDOR_ID_ATI, 0x6840, 0x1179, 0xfb81 }, + { 0, 0, 0, 0 }, +}; + int radeon_pm_init(struct radeon_device *rdev) { + struct radeon_dpm_quirk *p = radeon_dpm_quirk_list; + bool disable_dpm = false; + + /* Apply dpm quirks */ + while (p && p->chip_device != 0) { + if (rdev->pdev->vendor == p->chip_vendor && + rdev->pdev->device == p->chip_device && + rdev->pdev->subsystem_vendor == p->subsys_vendor && + rdev->pdev->subsystem_device == p->subsys_device) { + disable_dpm = true; + break; + } + ++p; + } + /* enable dpm on rv6xx+ */ switch (rdev->family) { case CHIP_RV610: @@ -1316,6 +1347,8 @@ int radeon_pm_init(struct radeon_device *rdev) (!(rdev->flags & RADEON_IS_IGP)) && (!rdev->smc_fw)) rdev->pm.pm_method = PM_METHOD_PROFILE; + else if (disable_dpm && (radeon_dpm == -1)) + rdev->pm.pm_method = PM_METHOD_PROFILE; else if (radeon_dpm == 0) rdev->pm.pm_method = PM_METHOD_PROFILE; else diff --git a/drivers/gpu/drm/radeon/radeon_ttm.c b/drivers/gpu/drm/radeon/radeon_ttm.c index 44bd9a14cf7..553d1b752b7 100644 --- a/drivers/gpu/drm/radeon/radeon_ttm.c +++ b/drivers/gpu/drm/radeon/radeon_ttm.c @@ -191,7 +191,7 @@ static void radeon_evict_flags(struct ttm_buffer_object *bo, rbo = container_of(bo, struct radeon_bo, tbo); switch (bo->mem.mem_type) { case TTM_PL_VRAM: - if (rbo->rdev->ring[RADEON_RING_TYPE_GFX_INDEX].ready == false) + if (rbo->rdev->ring[radeon_copy_ring_index(rbo->rdev)].ready == false) radeon_ttm_placement_from_domain(rbo, RADEON_GEM_DOMAIN_CPU); else radeon_ttm_placement_from_domain(rbo, RADEON_GEM_DOMAIN_GTT); diff --git a/drivers/gpu/drm/radeon/si_dpm.c b/drivers/gpu/drm/radeon/si_dpm.c index 879e62844b2..35bf2bba69b 100644 --- a/drivers/gpu/drm/radeon/si_dpm.c +++ b/drivers/gpu/drm/radeon/si_dpm.c @@ -2900,6 +2900,22 @@ static int si_init_smc_spll_table(struct radeon_device *rdev) return ret; } +struct si_dpm_quirk { + u32 chip_vendor; + u32 chip_device; + u32 subsys_vendor; + u32 subsys_device; + u32 max_sclk; + u32 max_mclk; +}; + +/* cards with dpm stability problems */ +static struct si_dpm_quirk si_dpm_quirk_list[] = { + /* PITCAIRN - https://bugs.freedesktop.org/show_bug.cgi?id=76490 */ + { PCI_VENDOR_ID_ATI, 0x6810, 0x1462, 0x3036, 0, 120000 }, + { 0, 0, 0, 0 }, +}; + static void si_apply_state_adjust_rules(struct radeon_device *rdev, struct radeon_ps *rps) { @@ -2910,7 +2926,22 @@ static void si_apply_state_adjust_rules(struct radeon_device *rdev, u32 mclk, sclk; u16 vddc, vddci; u32 max_sclk_vddc, max_mclk_vddci, max_mclk_vddc; + u32 max_sclk = 0, max_mclk = 0; int i; + struct si_dpm_quirk *p = si_dpm_quirk_list; + + /* Apply dpm quirks */ + while (p && p->chip_device != 0) { + if (rdev->pdev->vendor == p->chip_vendor && + rdev->pdev->device == p->chip_device && + rdev->pdev->subsystem_vendor == p->subsys_vendor && + rdev->pdev->subsystem_device == p->subsys_device) { + max_sclk = p->max_sclk; + max_mclk = p->max_mclk; + break; + } + ++p; + } if ((rdev->pm.dpm.new_active_crtc_count > 1) || ni_dpm_vblank_too_short(rdev)) @@ -2964,6 +2995,14 @@ static void si_apply_state_adjust_rules(struct radeon_device *rdev, if (ps->performance_levels[i].mclk > max_mclk_vddc) ps->performance_levels[i].mclk = max_mclk_vddc; } + if (max_mclk) { + if (ps->performance_levels[i].mclk > max_mclk) + ps->performance_levels[i].mclk = max_mclk; + } + if (max_sclk) { + if (ps->performance_levels[i].sclk > max_sclk) + ps->performance_levels[i].sclk = max_sclk; + } } /* XXX validate the min clocks required for display */ diff --git a/drivers/gpu/drm/ttm/ttm_page_alloc.c b/drivers/gpu/drm/ttm/ttm_page_alloc.c index cf4bad2c1d5..76329d27385 100644 --- a/drivers/gpu/drm/ttm/ttm_page_alloc.c +++ b/drivers/gpu/drm/ttm/ttm_page_alloc.c @@ -297,11 +297,12 @@ static void ttm_pool_update_free_locked(struct ttm_page_pool *pool, * * @pool: to free the pages from * @free_all: If set to true will free all pages in pool - * @gfp: GFP flags. + * @use_static: Safe to use static buffer **/ static int ttm_page_pool_free(struct ttm_page_pool *pool, unsigned nr_free, - gfp_t gfp) + bool use_static) { + static struct page *static_buf[NUM_PAGES_TO_ALLOC]; unsigned long irq_flags; struct page *p; struct page **pages_to_free; @@ -311,7 +312,11 @@ static int ttm_page_pool_free(struct ttm_page_pool *pool, unsigned nr_free, if (NUM_PAGES_TO_ALLOC < nr_free) npages_to_free = NUM_PAGES_TO_ALLOC; - pages_to_free = kmalloc(npages_to_free * sizeof(struct page *), gfp); + if (use_static) + pages_to_free = static_buf; + else + pages_to_free = kmalloc(npages_to_free * sizeof(struct page *), + GFP_KERNEL); if (!pages_to_free) { pr_err("Failed to allocate memory for pool free operation\n"); return 0; @@ -374,7 +379,8 @@ restart: if (freed_pages) ttm_pages_put(pages_to_free, freed_pages); out: - kfree(pages_to_free); + if (pages_to_free != static_buf) + kfree(pages_to_free); return nr_free; } @@ -383,8 +389,6 @@ out: * * XXX: (dchinner) Deadlock warning! * - * We need to pass sc->gfp_mask to ttm_page_pool_free(). - * * This code is crying out for a shrinker per pool.... */ static unsigned long @@ -407,8 +411,8 @@ ttm_pool_shrink_scan(struct shrinker *shrink, struct shrink_control *sc) if (shrink_pages == 0) break; pool = &_manager->pools[(i + pool_offset)%NUM_POOLS]; - shrink_pages = ttm_page_pool_free(pool, nr_free, - sc->gfp_mask); + /* OK to use static buffer since global mutex is held. */ + shrink_pages = ttm_page_pool_free(pool, nr_free, true); freed += nr_free - shrink_pages; } mutex_unlock(&lock); @@ -710,7 +714,7 @@ static void ttm_put_pages(struct page **pages, unsigned npages, int flags, } spin_unlock_irqrestore(&pool->lock, irq_flags); if (npages) - ttm_page_pool_free(pool, npages, GFP_KERNEL); + ttm_page_pool_free(pool, npages, false); } /* @@ -849,9 +853,9 @@ void ttm_page_alloc_fini(void) pr_info("Finalizing pool allocator\n"); ttm_pool_mm_shrink_fini(_manager); + /* OK to use static buffer since global mutex is no longer used. */ for (i = 0; i < NUM_POOLS; ++i) - ttm_page_pool_free(&_manager->pools[i], FREE_ALL_PAGES, - GFP_KERNEL); + ttm_page_pool_free(&_manager->pools[i], FREE_ALL_PAGES, true); kobject_put(&_manager->kobj); _manager = NULL; diff --git a/drivers/gpu/drm/ttm/ttm_page_alloc_dma.c b/drivers/gpu/drm/ttm/ttm_page_alloc_dma.c index ca65df14476..3dfa97d04e5 100644 --- a/drivers/gpu/drm/ttm/ttm_page_alloc_dma.c +++ b/drivers/gpu/drm/ttm/ttm_page_alloc_dma.c @@ -411,11 +411,12 @@ static void ttm_dma_page_put(struct dma_pool *pool, struct dma_page *d_page) * * @pool: to free the pages from * @nr_free: If set to true will free all pages in pool - * @gfp: GFP flags. + * @use_static: Safe to use static buffer **/ static unsigned ttm_dma_page_pool_free(struct dma_pool *pool, unsigned nr_free, - gfp_t gfp) + bool use_static) { + static struct page *static_buf[NUM_PAGES_TO_ALLOC]; unsigned long irq_flags; struct dma_page *dma_p, *tmp; struct page **pages_to_free; @@ -432,7 +433,11 @@ static unsigned ttm_dma_page_pool_free(struct dma_pool *pool, unsigned nr_free, npages_to_free, nr_free); } #endif - pages_to_free = kmalloc(npages_to_free * sizeof(struct page *), gfp); + if (use_static) + pages_to_free = static_buf; + else + pages_to_free = kmalloc(npages_to_free * sizeof(struct page *), + GFP_KERNEL); if (!pages_to_free) { pr_err("%s: Failed to allocate memory for pool free operation\n", @@ -502,7 +507,8 @@ restart: if (freed_pages) ttm_dma_pages_put(pool, &d_pages, pages_to_free, freed_pages); out: - kfree(pages_to_free); + if (pages_to_free != static_buf) + kfree(pages_to_free); return nr_free; } @@ -531,7 +537,8 @@ static void ttm_dma_free_pool(struct device *dev, enum pool_type type) if (pool->type != type) continue; /* Takes a spinlock.. */ - ttm_dma_page_pool_free(pool, FREE_ALL_PAGES, GFP_KERNEL); + /* OK to use static buffer since global mutex is held. */ + ttm_dma_page_pool_free(pool, FREE_ALL_PAGES, true); WARN_ON(((pool->npages_in_use + pool->npages_free) != 0)); /* This code path is called after _all_ references to the * struct device has been dropped - so nobody should be @@ -984,7 +991,7 @@ void ttm_dma_unpopulate(struct ttm_dma_tt *ttm_dma, struct device *dev) /* shrink pool if necessary (only on !is_cached pools)*/ if (npages) - ttm_dma_page_pool_free(pool, npages, GFP_KERNEL); + ttm_dma_page_pool_free(pool, npages, false); ttm->state = tt_unpopulated; } EXPORT_SYMBOL_GPL(ttm_dma_unpopulate); @@ -994,8 +1001,6 @@ EXPORT_SYMBOL_GPL(ttm_dma_unpopulate); * * XXX: (dchinner) Deadlock warning! * - * We need to pass sc->gfp_mask to ttm_dma_page_pool_free(). - * * I'm getting sadder as I hear more pathetical whimpers about needing per-pool * shrinkers */ @@ -1028,8 +1033,8 @@ ttm_dma_pool_shrink_scan(struct shrinker *shrink, struct shrink_control *sc) if (++idx < pool_offset) continue; nr_free = shrink_pages; - shrink_pages = ttm_dma_page_pool_free(p->pool, nr_free, - sc->gfp_mask); + /* OK to use static buffer since global mutex is held. */ + shrink_pages = ttm_dma_page_pool_free(p->pool, nr_free, true); freed += nr_free - shrink_pages; pr_debug("%s: (%s:%d) Asked to shrink %d, have %d more to go\n", diff --git a/drivers/gpu/drm/vmwgfx/vmwgfx_fence.c b/drivers/gpu/drm/vmwgfx/vmwgfx_fence.c index 436b013b423..b65272d7ea5 100644 --- a/drivers/gpu/drm/vmwgfx/vmwgfx_fence.c +++ b/drivers/gpu/drm/vmwgfx/vmwgfx_fence.c @@ -1049,6 +1049,8 @@ static int vmw_event_fence_action_create(struct drm_file *file_priv, if (ret != 0) goto out_no_queue; + return 0; + out_no_queue: event->base.destroy(&event->base); out_no_event: @@ -1124,17 +1126,10 @@ int vmw_fence_event_ioctl(struct drm_device *dev, void *data, BUG_ON(fence == NULL); - if (arg->flags & DRM_VMW_FE_FLAG_REQ_TIME) - ret = vmw_event_fence_action_create(file_priv, fence, - arg->flags, - arg->user_data, - true); - else - ret = vmw_event_fence_action_create(file_priv, fence, - arg->flags, - arg->user_data, - true); - + ret = vmw_event_fence_action_create(file_priv, fence, + arg->flags, + arg->user_data, + true); if (unlikely(ret != 0)) { if (ret != -ERESTARTSYS) DRM_ERROR("Failed to attach event to fence.\n"); diff --git a/drivers/infiniband/ulp/isert/ib_isert.c b/drivers/infiniband/ulp/isert/ib_isert.c index a96cfc31372..60142274fe4 100644 --- a/drivers/infiniband/ulp/isert/ib_isert.c +++ b/drivers/infiniband/ulp/isert/ib_isert.c @@ -41,6 +41,7 @@ static DEFINE_MUTEX(device_list_mutex); static LIST_HEAD(device_list); static struct workqueue_struct *isert_rx_wq; static struct workqueue_struct *isert_comp_wq; +static struct workqueue_struct *isert_release_wq; static void isert_unmap_cmd(struct isert_cmd *isert_cmd, struct isert_conn *isert_conn); @@ -52,6 +53,11 @@ isert_unreg_rdma(struct isert_cmd *isert_cmd, struct isert_conn *isert_conn); static int isert_reg_rdma(struct iscsi_conn *conn, struct iscsi_cmd *cmd, struct isert_rdma_wr *wr); +static int +isert_rdma_post_recvl(struct isert_conn *isert_conn); +static int +isert_rdma_accept(struct isert_conn *isert_conn); +struct rdma_cm_id *isert_setup_id(struct isert_np *isert_np); static void isert_qp_event_callback(struct ib_event *e, void *context) @@ -132,12 +138,18 @@ isert_conn_setup_qp(struct isert_conn *isert_conn, struct rdma_cm_id *cma_id) ret = rdma_create_qp(cma_id, isert_conn->conn_pd, &attr); if (ret) { pr_err("rdma_create_qp failed for cma_id %d\n", ret); - return ret; + goto err; } isert_conn->conn_qp = cma_id->qp; pr_debug("rdma_create_qp() returned success >>>>>>>>>>>>>>>>>>>>>>>>>.\n"); return 0; +err: + mutex_lock(&device_list_mutex); + device->cq_active_qps[min_index]--; + mutex_unlock(&device_list_mutex); + + return ret; } static void @@ -489,8 +501,8 @@ err: static int isert_connect_request(struct rdma_cm_id *cma_id, struct rdma_cm_event *event) { - struct iscsi_np *np = cma_id->context; - struct isert_np *isert_np = np->np_context; + struct isert_np *isert_np = cma_id->context; + struct iscsi_np *np = isert_np->np; struct isert_conn *isert_conn; struct isert_device *device; struct ib_device *ib_dev = cma_id->device; @@ -515,6 +527,7 @@ isert_connect_request(struct rdma_cm_id *cma_id, struct rdma_cm_event *event) isert_conn->state = ISER_CONN_INIT; INIT_LIST_HEAD(&isert_conn->conn_accept_node); init_completion(&isert_conn->conn_login_comp); + init_completion(&isert_conn->login_req_comp); init_completion(&isert_conn->conn_wait); init_completion(&isert_conn->conn_wait_comp_err); kref_init(&isert_conn->conn_kref); @@ -522,7 +535,6 @@ isert_connect_request(struct rdma_cm_id *cma_id, struct rdma_cm_event *event) spin_lock_init(&isert_conn->conn_lock); INIT_LIST_HEAD(&isert_conn->conn_fr_pool); - cma_id->context = isert_conn; isert_conn->conn_cm_id = cma_id; isert_conn->responder_resources = event->param.conn.responder_resources; isert_conn->initiator_depth = event->param.conn.initiator_depth; @@ -596,6 +608,14 @@ isert_connect_request(struct rdma_cm_id *cma_id, struct rdma_cm_event *event) if (ret) goto out_conn_dev; + ret = isert_rdma_post_recvl(isert_conn); + if (ret) + goto out_conn_dev; + + ret = isert_rdma_accept(isert_conn); + if (ret) + goto out_conn_dev; + mutex_lock(&isert_np->np_accept_mutex); list_add_tail(&isert_conn->conn_accept_node, &isert_np->np_accept_list); mutex_unlock(&isert_np->np_accept_mutex); @@ -620,6 +640,7 @@ out_login_buf: kfree(isert_conn->login_buf); out: kfree(isert_conn); + rdma_reject(cma_id, NULL, 0); return ret; } @@ -635,18 +656,20 @@ isert_connect_release(struct isert_conn *isert_conn) if (device && device->use_fastreg) isert_conn_free_fastreg_pool(isert_conn); + isert_free_rx_descriptors(isert_conn); + rdma_destroy_id(isert_conn->conn_cm_id); + if (isert_conn->conn_qp) { cq_index = ((struct isert_cq_desc *) isert_conn->conn_qp->recv_cq->cq_context)->cq_index; pr_debug("isert_connect_release: cq_index: %d\n", cq_index); + mutex_lock(&device_list_mutex); isert_conn->conn_device->cq_active_qps[cq_index]--; + mutex_unlock(&device_list_mutex); - rdma_destroy_qp(isert_conn->conn_cm_id); + ib_destroy_qp(isert_conn->conn_qp); } - isert_free_rx_descriptors(isert_conn); - rdma_destroy_id(isert_conn->conn_cm_id); - ib_dereg_mr(isert_conn->conn_mr); ib_dealloc_pd(isert_conn->conn_pd); @@ -669,9 +692,19 @@ isert_connect_release(struct isert_conn *isert_conn) static void isert_connected_handler(struct rdma_cm_id *cma_id) { - struct isert_conn *isert_conn = cma_id->context; + struct isert_conn *isert_conn = cma_id->qp->qp_context; + + pr_info("conn %p\n", isert_conn); - kref_get(&isert_conn->conn_kref); + if (!kref_get_unless_zero(&isert_conn->conn_kref)) { + pr_warn("conn %p connect_release is running\n", isert_conn); + return; + } + + mutex_lock(&isert_conn->conn_mutex); + if (isert_conn->state != ISER_CONN_FULL_FEATURE) + isert_conn->state = ISER_CONN_UP; + mutex_unlock(&isert_conn->conn_mutex); } static void @@ -692,65 +725,108 @@ isert_put_conn(struct isert_conn *isert_conn) kref_put(&isert_conn->conn_kref, isert_release_conn_kref); } +/** + * isert_conn_terminate() - Initiate connection termination + * @isert_conn: isert connection struct + * + * Notes: + * In case the connection state is FULL_FEATURE, move state + * to TEMINATING and start teardown sequence (rdma_disconnect). + * In case the connection state is UP, complete flush as well. + * + * This routine must be called with conn_mutex held. Thus it is + * safe to call multiple times. + */ static void -isert_disconnect_work(struct work_struct *work) +isert_conn_terminate(struct isert_conn *isert_conn) { - struct isert_conn *isert_conn = container_of(work, - struct isert_conn, conn_logout_work); + int err; - pr_debug("isert_disconnect_work(): >>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>\n"); - mutex_lock(&isert_conn->conn_mutex); - if (isert_conn->state == ISER_CONN_UP) + switch (isert_conn->state) { + case ISER_CONN_TERMINATING: + break; + case ISER_CONN_UP: + /* + * No flush completions will occur as we didn't + * get to ISER_CONN_FULL_FEATURE yet, complete + * to allow teardown progress. + */ + complete(&isert_conn->conn_wait_comp_err); + case ISER_CONN_FULL_FEATURE: /* FALLTHRU */ + pr_info("Terminating conn %p state %d\n", + isert_conn, isert_conn->state); isert_conn->state = ISER_CONN_TERMINATING; - - if (isert_conn->post_recv_buf_count == 0 && - atomic_read(&isert_conn->post_send_buf_count) == 0) { - mutex_unlock(&isert_conn->conn_mutex); - goto wake_up; - } - if (!isert_conn->conn_cm_id) { - mutex_unlock(&isert_conn->conn_mutex); - isert_put_conn(isert_conn); - return; + err = rdma_disconnect(isert_conn->conn_cm_id); + if (err) + pr_warn("Failed rdma_disconnect isert_conn %p\n", + isert_conn); + break; + default: + pr_warn("conn %p teminating in state %d\n", + isert_conn, isert_conn->state); } +} - if (isert_conn->disconnect) { - /* Send DREQ/DREP towards our initiator */ - rdma_disconnect(isert_conn->conn_cm_id); - } +static int +isert_np_cma_handler(struct isert_np *isert_np, + enum rdma_cm_event_type event) +{ + pr_debug("isert np %p, handling event %d\n", isert_np, event); - mutex_unlock(&isert_conn->conn_mutex); + switch (event) { + case RDMA_CM_EVENT_DEVICE_REMOVAL: + isert_np->np_cm_id = NULL; + break; + case RDMA_CM_EVENT_ADDR_CHANGE: + isert_np->np_cm_id = isert_setup_id(isert_np); + if (IS_ERR(isert_np->np_cm_id)) { + pr_err("isert np %p setup id failed: %ld\n", + isert_np, PTR_ERR(isert_np->np_cm_id)); + isert_np->np_cm_id = NULL; + } + break; + default: + pr_err("isert np %p Unexpected event %d\n", + isert_np, event); + } -wake_up: - complete(&isert_conn->conn_wait); + return -1; } static int -isert_disconnected_handler(struct rdma_cm_id *cma_id, bool disconnect) +isert_disconnected_handler(struct rdma_cm_id *cma_id, + enum rdma_cm_event_type event) { + struct isert_np *isert_np = cma_id->context; struct isert_conn *isert_conn; - if (!cma_id->qp) { - struct isert_np *isert_np = cma_id->context; + if (isert_np->np_cm_id == cma_id) + return isert_np_cma_handler(cma_id->context, event); - isert_np->np_cm_id = NULL; - return -1; - } + isert_conn = cma_id->qp->qp_context; - isert_conn = (struct isert_conn *)cma_id->context; + mutex_lock(&isert_conn->conn_mutex); + isert_conn_terminate(isert_conn); + mutex_unlock(&isert_conn->conn_mutex); - isert_conn->disconnect = disconnect; - INIT_WORK(&isert_conn->conn_logout_work, isert_disconnect_work); - schedule_work(&isert_conn->conn_logout_work); + pr_info("conn %p completing conn_wait\n", isert_conn); + complete(&isert_conn->conn_wait); return 0; } +static void +isert_connect_error(struct rdma_cm_id *cma_id) +{ + struct isert_conn *isert_conn = cma_id->qp->qp_context; + + isert_put_conn(isert_conn); +} + static int isert_cma_handler(struct rdma_cm_id *cma_id, struct rdma_cm_event *event) { int ret = 0; - bool disconnect = false; pr_debug("isert_cma_handler: event %d status %d conn %p id %p\n", event->event, event->status, cma_id->context, cma_id); @@ -768,11 +844,14 @@ isert_cma_handler(struct rdma_cm_id *cma_id, struct rdma_cm_event *event) case RDMA_CM_EVENT_ADDR_CHANGE: /* FALLTHRU */ case RDMA_CM_EVENT_DISCONNECTED: /* FALLTHRU */ case RDMA_CM_EVENT_DEVICE_REMOVAL: /* FALLTHRU */ - disconnect = true; case RDMA_CM_EVENT_TIMEWAIT_EXIT: /* FALLTHRU */ - ret = isert_disconnected_handler(cma_id, disconnect); + ret = isert_disconnected_handler(cma_id, event->event); break; + case RDMA_CM_EVENT_REJECTED: /* FALLTHRU */ + case RDMA_CM_EVENT_UNREACHABLE: /* FALLTHRU */ case RDMA_CM_EVENT_CONNECT_ERROR: + isert_connect_error(cma_id); + break; default: pr_err("Unhandled RDMA CMA event: %d\n", event->event); break; @@ -906,7 +985,7 @@ isert_init_send_wr(struct isert_conn *isert_conn, struct isert_cmd *isert_cmd, * bit for every ISERT_COMP_BATCH_COUNT number of ib_post_send() calls. */ mutex_lock(&isert_conn->conn_mutex); - if (coalesce && isert_conn->state == ISER_CONN_UP && + if (coalesce && isert_conn->state == ISER_CONN_FULL_FEATURE && ++isert_conn->conn_comp_batch < ISERT_COMP_BATCH_COUNT) { tx_desc->llnode_active = true; llist_add(&tx_desc->comp_llnode, &isert_conn->conn_comp_llist); @@ -1003,7 +1082,10 @@ isert_put_login_tx(struct iscsi_conn *conn, struct iscsi_login *login, if (ret) return ret; - isert_conn->state = ISER_CONN_UP; + /* Now we are in FULL_FEATURE phase */ + mutex_lock(&isert_conn->conn_mutex); + isert_conn->state = ISER_CONN_FULL_FEATURE; + mutex_unlock(&isert_conn->conn_mutex); goto post_send; } @@ -1020,18 +1102,17 @@ post_send: } static void -isert_rx_login_req(struct iser_rx_desc *rx_desc, int rx_buflen, - struct isert_conn *isert_conn) +isert_rx_login_req(struct isert_conn *isert_conn) { + struct iser_rx_desc *rx_desc = (void *)isert_conn->login_req_buf; + int rx_buflen = isert_conn->login_req_len; struct iscsi_conn *conn = isert_conn->conn; struct iscsi_login *login = conn->conn_login; int size; - if (!login) { - pr_err("conn->conn_login is NULL\n"); - dump_stack(); - return; - } + pr_info("conn %p\n", isert_conn); + + WARN_ON_ONCE(!login); if (login->first_request) { struct iscsi_login_req *login_req = @@ -1394,11 +1475,20 @@ isert_rx_completion(struct iser_rx_desc *desc, struct isert_conn *isert_conn, hdr->opcode, hdr->itt, hdr->flags, (int)(xfer_len - ISER_HEADERS_LEN)); - if ((char *)desc == isert_conn->login_req_buf) - isert_rx_login_req(desc, xfer_len - ISER_HEADERS_LEN, - isert_conn); - else + if ((char *)desc == isert_conn->login_req_buf) { + isert_conn->login_req_len = xfer_len - ISER_HEADERS_LEN; + if (isert_conn->conn) { + struct iscsi_login *login = isert_conn->conn->conn_login; + + if (login && !login->first_request) + isert_rx_login_req(isert_conn); + } + mutex_lock(&isert_conn->conn_mutex); + complete(&isert_conn->login_req_comp); + mutex_unlock(&isert_conn->conn_mutex); + } else { isert_rx_do_work(desc, isert_conn); + } ib_dma_sync_single_for_device(ib_dev, rx_dma, rx_buflen, DMA_FROM_DEVICE); @@ -1799,7 +1889,7 @@ isert_cq_rx_comp_err(struct isert_conn *isert_conn) msleep(3000); mutex_lock(&isert_conn->conn_mutex); - isert_conn->state = ISER_CONN_DOWN; + isert_conn_terminate(isert_conn); mutex_unlock(&isert_conn->conn_mutex); iscsit_cause_connection_reinstatement(isert_conn->conn, 0); @@ -2579,13 +2669,51 @@ isert_response_queue(struct iscsi_conn *conn, struct iscsi_cmd *cmd, int state) return ret; } +struct rdma_cm_id * +isert_setup_id(struct isert_np *isert_np) +{ + struct iscsi_np *np = isert_np->np; + struct rdma_cm_id *id; + struct sockaddr *sa; + int ret; + + sa = (struct sockaddr *)&np->np_sockaddr; + pr_debug("ksockaddr: %p, sa: %p\n", &np->np_sockaddr, sa); + + id = rdma_create_id(isert_cma_handler, isert_np, + RDMA_PS_TCP, IB_QPT_RC); + if (IS_ERR(id)) { + pr_err("rdma_create_id() failed: %ld\n", PTR_ERR(id)); + ret = PTR_ERR(id); + goto out; + } + pr_debug("id %p context %p\n", id, id->context); + + ret = rdma_bind_addr(id, sa); + if (ret) { + pr_err("rdma_bind_addr() failed: %d\n", ret); + goto out_id; + } + + ret = rdma_listen(id, ISERT_RDMA_LISTEN_BACKLOG); + if (ret) { + pr_err("rdma_listen() failed: %d\n", ret); + goto out_id; + } + + return id; +out_id: + rdma_destroy_id(id); +out: + return ERR_PTR(ret); +} + static int isert_setup_np(struct iscsi_np *np, struct __kernel_sockaddr_storage *ksockaddr) { struct isert_np *isert_np; struct rdma_cm_id *isert_lid; - struct sockaddr *sa; int ret; isert_np = kzalloc(sizeof(struct isert_np), GFP_KERNEL); @@ -2597,9 +2725,8 @@ isert_setup_np(struct iscsi_np *np, mutex_init(&isert_np->np_accept_mutex); INIT_LIST_HEAD(&isert_np->np_accept_list); init_completion(&isert_np->np_login_comp); + isert_np->np = np; - sa = (struct sockaddr *)ksockaddr; - pr_debug("ksockaddr: %p, sa: %p\n", ksockaddr, sa); /* * Setup the np->np_sockaddr from the passed sockaddr setup * in iscsi_target_configfs.c code.. @@ -2607,37 +2734,20 @@ isert_setup_np(struct iscsi_np *np, memcpy(&np->np_sockaddr, ksockaddr, sizeof(struct __kernel_sockaddr_storage)); - isert_lid = rdma_create_id(isert_cma_handler, np, RDMA_PS_TCP, - IB_QPT_RC); + isert_lid = isert_setup_id(isert_np); if (IS_ERR(isert_lid)) { - pr_err("rdma_create_id() for isert_listen_handler failed: %ld\n", - PTR_ERR(isert_lid)); ret = PTR_ERR(isert_lid); goto out; } - ret = rdma_bind_addr(isert_lid, sa); - if (ret) { - pr_err("rdma_bind_addr() for isert_lid failed: %d\n", ret); - goto out_lid; - } - - ret = rdma_listen(isert_lid, ISERT_RDMA_LISTEN_BACKLOG); - if (ret) { - pr_err("rdma_listen() for isert_lid failed: %d\n", ret); - goto out_lid; - } - isert_np->np_cm_id = isert_lid; np->np_context = isert_np; - pr_debug("Setup isert_lid->context: %p\n", isert_lid->context); return 0; -out_lid: - rdma_destroy_id(isert_lid); out: kfree(isert_np); + return ret; } @@ -2673,7 +2783,15 @@ isert_get_login_rx(struct iscsi_conn *conn, struct iscsi_login *login) struct isert_conn *isert_conn = (struct isert_conn *)conn->context; int ret; - pr_debug("isert_get_login_rx before conn_login_comp conn: %p\n", conn); + pr_info("before login_req comp conn: %p\n", isert_conn); + ret = wait_for_completion_interruptible(&isert_conn->login_req_comp); + if (ret) { + pr_err("isert_conn %p interrupted before got login req\n", + isert_conn); + return ret; + } + reinit_completion(&isert_conn->login_req_comp); + /* * For login requests after the first PDU, isert_rx_login_req() will * kick schedule_delayed_work(&conn->login_work) as the packet is @@ -2683,11 +2801,15 @@ isert_get_login_rx(struct iscsi_conn *conn, struct iscsi_login *login) if (!login->first_request) return 0; + isert_rx_login_req(isert_conn); + + pr_info("before conn_login_comp conn: %p\n", conn); ret = wait_for_completion_interruptible(&isert_conn->conn_login_comp); if (ret) return ret; - pr_debug("isert_get_login_rx processing login->req: %p\n", login->req); + pr_info("processing login->req: %p\n", login->req); + return 0; } @@ -2765,17 +2887,10 @@ accept_wait: isert_conn->conn = conn; max_accept = 0; - ret = isert_rdma_post_recvl(isert_conn); - if (ret) - return ret; - - ret = isert_rdma_accept(isert_conn); - if (ret) - return ret; - isert_set_conn_info(np, conn, isert_conn); - pr_debug("Processing isert_accept_np: isert_conn: %p\n", isert_conn); + pr_debug("Processing isert_conn: %p\n", isert_conn); + return 0; } @@ -2791,6 +2906,24 @@ isert_free_np(struct iscsi_np *np) kfree(isert_np); } +static void isert_release_work(struct work_struct *work) +{ + struct isert_conn *isert_conn = container_of(work, + struct isert_conn, + release_work); + + pr_info("Starting release conn %p\n", isert_conn); + + wait_for_completion(&isert_conn->conn_wait); + + mutex_lock(&isert_conn->conn_mutex); + isert_conn->state = ISER_CONN_DOWN; + mutex_unlock(&isert_conn->conn_mutex); + + pr_info("Destroying conn %p\n", isert_conn); + isert_put_conn(isert_conn); +} + static void isert_wait_conn(struct iscsi_conn *conn) { struct isert_conn *isert_conn = conn->context; @@ -2798,10 +2931,6 @@ static void isert_wait_conn(struct iscsi_conn *conn) pr_debug("isert_wait_conn: Starting \n"); mutex_lock(&isert_conn->conn_mutex); - if (isert_conn->conn_cm_id) { - pr_debug("Calling rdma_disconnect from isert_wait_conn\n"); - rdma_disconnect(isert_conn->conn_cm_id); - } /* * Only wait for conn_wait_comp_err if the isert_conn made it * into full feature phase.. @@ -2810,14 +2939,13 @@ static void isert_wait_conn(struct iscsi_conn *conn) mutex_unlock(&isert_conn->conn_mutex); return; } - if (isert_conn->state == ISER_CONN_UP) - isert_conn->state = ISER_CONN_TERMINATING; + isert_conn_terminate(isert_conn); mutex_unlock(&isert_conn->conn_mutex); wait_for_completion(&isert_conn->conn_wait_comp_err); - wait_for_completion(&isert_conn->conn_wait); - isert_put_conn(isert_conn); + INIT_WORK(&isert_conn->release_work, isert_release_work); + queue_work(isert_release_wq, &isert_conn->release_work); } static void isert_free_conn(struct iscsi_conn *conn) @@ -2863,10 +2991,21 @@ static int __init isert_init(void) goto destroy_rx_wq; } + isert_release_wq = alloc_workqueue("isert_release_wq", WQ_UNBOUND, + WQ_UNBOUND_MAX_ACTIVE); + if (!isert_release_wq) { + pr_err("Unable to allocate isert_release_wq\n"); + ret = -ENOMEM; + goto destroy_comp_wq; + } + iscsit_register_transport(&iser_target_transport); - pr_debug("iSER_TARGET[0] - Loaded iser_target_transport\n"); + pr_info("iSER_TARGET[0] - Loaded iser_target_transport\n"); + return 0; +destroy_comp_wq: + destroy_workqueue(isert_comp_wq); destroy_rx_wq: destroy_workqueue(isert_rx_wq); return ret; @@ -2875,6 +3014,7 @@ destroy_rx_wq: static void __exit isert_exit(void) { flush_scheduled_work(); + destroy_workqueue(isert_release_wq); destroy_workqueue(isert_comp_wq); destroy_workqueue(isert_rx_wq); iscsit_unregister_transport(&iser_target_transport); diff --git a/drivers/infiniband/ulp/isert/ib_isert.h b/drivers/infiniband/ulp/isert/ib_isert.h index cbecaabe90b..1178c5b6800 100644 --- a/drivers/infiniband/ulp/isert/ib_isert.h +++ b/drivers/infiniband/ulp/isert/ib_isert.h @@ -23,6 +23,7 @@ enum iser_ib_op_code { enum iser_conn_state { ISER_CONN_INIT, ISER_CONN_UP, + ISER_CONN_FULL_FEATURE, ISER_CONN_TERMINATING, ISER_CONN_DOWN, }; @@ -102,6 +103,7 @@ struct isert_conn { char *login_req_buf; char *login_rsp_buf; u64 login_req_dma; + int login_req_len; u64 login_rsp_dma; unsigned int conn_rx_desc_head; struct iser_rx_desc *conn_rx_descs; @@ -109,13 +111,13 @@ struct isert_conn { struct iscsi_conn *conn; struct list_head conn_accept_node; struct completion conn_login_comp; + struct completion login_req_comp; struct iser_tx_desc conn_login_tx_desc; struct rdma_cm_id *conn_cm_id; struct ib_pd *conn_pd; struct ib_mr *conn_mr; struct ib_qp *conn_qp; struct isert_device *conn_device; - struct work_struct conn_logout_work; struct mutex conn_mutex; struct completion conn_wait; struct completion conn_wait_comp_err; @@ -124,10 +126,10 @@ struct isert_conn { int conn_fr_pool_size; /* lock to protect fastreg pool */ spinlock_t conn_lock; + struct work_struct release_work; #define ISERT_COMP_BATCH_COUNT 8 int conn_comp_batch; struct llist_head conn_comp_llist; - bool disconnect; }; #define ISERT_MAX_CQ 64 @@ -158,6 +160,7 @@ struct isert_device { }; struct isert_np { + struct iscsi_np *np; struct semaphore np_sem; struct rdma_cm_id *np_cm_id; struct mutex np_accept_mutex; diff --git a/drivers/input/evdev.c b/drivers/input/evdev.c index 9188f0495f1..92e43884e73 100644 --- a/drivers/input/evdev.c +++ b/drivers/input/evdev.c @@ -773,20 +773,23 @@ static int evdev_handle_set_keycode_v2(struct input_dev *dev, void __user *p) */ static int evdev_handle_get_val(struct evdev_client *client, struct input_dev *dev, unsigned int type, - unsigned long *bits, unsigned int max, - unsigned int size, void __user *p, int compat) + unsigned long *bits, unsigned int maxbit, + unsigned int maxlen, void __user *p, + int compat) { int ret; unsigned long *mem; + size_t len; - mem = kmalloc(sizeof(unsigned long) * max, GFP_KERNEL); + len = BITS_TO_LONGS(maxbit) * sizeof(unsigned long); + mem = kmalloc(len, GFP_KERNEL); if (!mem) return -ENOMEM; spin_lock_irq(&dev->event_lock); spin_lock(&client->buffer_lock); - memcpy(mem, bits, sizeof(unsigned long) * max); + memcpy(mem, bits, len); spin_unlock(&dev->event_lock); @@ -794,7 +797,7 @@ static int evdev_handle_get_val(struct evdev_client *client, spin_unlock_irq(&client->buffer_lock); - ret = bits_to_user(mem, max, size, p, compat); + ret = bits_to_user(mem, maxbit, maxlen, p, compat); if (ret < 0) evdev_queue_syn_dropped(client); diff --git a/drivers/input/serio/i8042-x86ia64io.h b/drivers/input/serio/i8042-x86ia64io.h index 8fca488fdc1..c43c46f7dcd 100644 --- a/drivers/input/serio/i8042-x86ia64io.h +++ b/drivers/input/serio/i8042-x86ia64io.h @@ -408,6 +408,13 @@ static const struct dmi_system_id __initconst i8042_dmi_nomux_table[] = { }, }, { + /* Acer Aspire 7738 */ + .matches = { + DMI_MATCH(DMI_SYS_VENDOR, "Acer"), + DMI_MATCH(DMI_PRODUCT_NAME, "Aspire 7738"), + }, + }, + { /* Gericom Bellagio */ .matches = { DMI_MATCH(DMI_SYS_VENDOR, "Gericom"), @@ -721,6 +728,35 @@ static const struct dmi_system_id __initconst i8042_dmi_dritek_table[] = { { } }; +/* + * Some laptops need keyboard reset before probing for the trackpad to get + * it detected, initialised & finally work. + */ +static const struct dmi_system_id __initconst i8042_dmi_kbdreset_table[] = { + { + /* Gigabyte P35 v2 - Elantech touchpad */ + .matches = { + DMI_MATCH(DMI_SYS_VENDOR, "GIGABYTE"), + DMI_MATCH(DMI_PRODUCT_NAME, "P35V2"), + }, + }, + { + /* Aorus branded Gigabyte X3 Plus - Elantech touchpad */ + .matches = { + DMI_MATCH(DMI_SYS_VENDOR, "GIGABYTE"), + DMI_MATCH(DMI_PRODUCT_NAME, "X3"), + }, + }, + { + /* Gigabyte P34 - Elantech touchpad */ + .matches = { + DMI_MATCH(DMI_SYS_VENDOR, "GIGABYTE"), + DMI_MATCH(DMI_PRODUCT_NAME, "P34"), + }, + }, + { } +}; + #endif /* CONFIG_X86 */ #ifdef CONFIG_PNP @@ -1016,6 +1052,9 @@ static int __init i8042_platform_init(void) if (dmi_check_system(i8042_dmi_dritek_table)) i8042_dritek = true; + if (dmi_check_system(i8042_dmi_kbdreset_table)) + i8042_kbdreset = true; + /* * A20 was already enabled during early kernel init. But some buggy * BIOSes (in MSI Laptops) require A20 to be enabled using 8042 to diff --git a/drivers/input/serio/i8042.c b/drivers/input/serio/i8042.c index 3807c3e971c..eb796fff9e6 100644 --- a/drivers/input/serio/i8042.c +++ b/drivers/input/serio/i8042.c @@ -67,6 +67,10 @@ static bool i8042_notimeout; module_param_named(notimeout, i8042_notimeout, bool, 0); MODULE_PARM_DESC(notimeout, "Ignore timeouts signalled by i8042"); +static bool i8042_kbdreset; +module_param_named(kbdreset, i8042_kbdreset, bool, 0); +MODULE_PARM_DESC(kbdreset, "Reset device connected to KBD port"); + #ifdef CONFIG_X86 static bool i8042_dritek; module_param_named(dritek, i8042_dritek, bool, 0); @@ -790,6 +794,16 @@ static int __init i8042_check_aux(void) return -1; /* + * Reset keyboard (needed on some laptops to successfully detect + * touchpad, e.g., some Gigabyte laptop models with Elantech + * touchpads). + */ + if (i8042_kbdreset) { + pr_warn("Attempting to reset device connected to KBD port\n"); + i8042_kbd_write(NULL, (unsigned char) 0xff); + } + +/* * Test AUX IRQ delivery to make sure BIOS did not grab the IRQ and * used it for a PCI card or somethig else. */ diff --git a/drivers/iommu/omap-iommu-debug.c b/drivers/iommu/omap-iommu-debug.c index 0b7dfaa3767..5ef2cf7613d 100644 --- a/drivers/iommu/omap-iommu-debug.c +++ b/drivers/iommu/omap-iommu-debug.c @@ -118,7 +118,7 @@ static void dump_ioptable(struct seq_file *s) continue; da = (i << IOPGD_SHIFT) + (j << IOPTE_SHIFT); - seq_printf(s, "1: 0x%08x 0x%08x\n", da, *iopte); + seq_printf(s, "2: 0x%08x 0x%08x\n", da, *iopte); } } diff --git a/drivers/iommu/omap-iommu.c b/drivers/iommu/omap-iommu.c index c34e3ce5428..693f23c46a6 100644 --- a/drivers/iommu/omap-iommu.c +++ b/drivers/iommu/omap-iommu.c @@ -1187,13 +1187,13 @@ static int omap_iommu_attach_init(struct device *dev, return -EINVAL; odomain->iommus = kzalloc(odomain->num_iommus * sizeof(*iommu), - GFP_KERNEL); + GFP_ATOMIC); if (!odomain->iommus) return -ENOMEM; iommu = odomain->iommus; for (i = 0; i < odomain->num_iommus; i++, iommu++) { - iommu->pgtable = kzalloc(IOPGD_TABLE_SIZE, GFP_KERNEL); + iommu->pgtable = kzalloc(IOPGD_TABLE_SIZE, GFP_ATOMIC); if (!iommu->pgtable) return -ENOMEM; diff --git a/drivers/md/bcache/btree.c b/drivers/md/bcache/btree.c index 5f9c2a665ca..fbcb6225f79 100644 --- a/drivers/md/bcache/btree.c +++ b/drivers/md/bcache/btree.c @@ -199,7 +199,7 @@ void bch_btree_node_read_done(struct btree *b) struct bset *i = btree_bset_first(b); struct btree_iter *iter; - iter = mempool_alloc(b->c->fill_iter, GFP_NOWAIT); + iter = mempool_alloc(b->c->fill_iter, GFP_NOIO); iter->size = b->c->sb.bucket_size / b->c->sb.block_size; iter->used = 0; diff --git a/drivers/md/dm-cache-metadata.c b/drivers/md/dm-cache-metadata.c index a87d3fab027..d290e839611 100644 --- a/drivers/md/dm-cache-metadata.c +++ b/drivers/md/dm-cache-metadata.c @@ -94,6 +94,9 @@ struct cache_disk_superblock { } __packed; struct dm_cache_metadata { + atomic_t ref_count; + struct list_head list; + struct block_device *bdev; struct dm_block_manager *bm; struct dm_space_map *metadata_sm; @@ -669,10 +672,10 @@ static void unpack_value(__le64 value_le, dm_oblock_t *block, unsigned *flags) /*----------------------------------------------------------------*/ -struct dm_cache_metadata *dm_cache_metadata_open(struct block_device *bdev, - sector_t data_block_size, - bool may_format_device, - size_t policy_hint_size) +static struct dm_cache_metadata *metadata_open(struct block_device *bdev, + sector_t data_block_size, + bool may_format_device, + size_t policy_hint_size) { int r; struct dm_cache_metadata *cmd; @@ -683,6 +686,7 @@ struct dm_cache_metadata *dm_cache_metadata_open(struct block_device *bdev, return NULL; } + atomic_set(&cmd->ref_count, 1); init_rwsem(&cmd->root_lock); cmd->bdev = bdev; cmd->data_block_size = data_block_size; @@ -705,10 +709,95 @@ struct dm_cache_metadata *dm_cache_metadata_open(struct block_device *bdev, return cmd; } +/* + * We keep a little list of ref counted metadata objects to prevent two + * different target instances creating separate bufio instances. This is + * an issue if a table is reloaded before the suspend. + */ +static DEFINE_MUTEX(table_lock); +static LIST_HEAD(table); + +static struct dm_cache_metadata *lookup(struct block_device *bdev) +{ + struct dm_cache_metadata *cmd; + + list_for_each_entry(cmd, &table, list) + if (cmd->bdev == bdev) { + atomic_inc(&cmd->ref_count); + return cmd; + } + + return NULL; +} + +static struct dm_cache_metadata *lookup_or_open(struct block_device *bdev, + sector_t data_block_size, + bool may_format_device, + size_t policy_hint_size) +{ + struct dm_cache_metadata *cmd, *cmd2; + + mutex_lock(&table_lock); + cmd = lookup(bdev); + mutex_unlock(&table_lock); + + if (cmd) + return cmd; + + cmd = metadata_open(bdev, data_block_size, may_format_device, policy_hint_size); + if (cmd) { + mutex_lock(&table_lock); + cmd2 = lookup(bdev); + if (cmd2) { + mutex_unlock(&table_lock); + __destroy_persistent_data_objects(cmd); + kfree(cmd); + return cmd2; + } + list_add(&cmd->list, &table); + mutex_unlock(&table_lock); + } + + return cmd; +} + +static bool same_params(struct dm_cache_metadata *cmd, sector_t data_block_size) +{ + if (cmd->data_block_size != data_block_size) { + DMERR("data_block_size (%llu) different from that in metadata (%llu)\n", + (unsigned long long) data_block_size, + (unsigned long long) cmd->data_block_size); + return false; + } + + return true; +} + +struct dm_cache_metadata *dm_cache_metadata_open(struct block_device *bdev, + sector_t data_block_size, + bool may_format_device, + size_t policy_hint_size) +{ + struct dm_cache_metadata *cmd = lookup_or_open(bdev, data_block_size, + may_format_device, policy_hint_size); + if (cmd && !same_params(cmd, data_block_size)) { + dm_cache_metadata_close(cmd); + return NULL; + } + + return cmd; +} + void dm_cache_metadata_close(struct dm_cache_metadata *cmd) { - __destroy_persistent_data_objects(cmd); - kfree(cmd); + if (atomic_dec_and_test(&cmd->ref_count)) { + mutex_lock(&table_lock); + list_del(&cmd->list); + mutex_unlock(&table_lock); + + __destroy_persistent_data_objects(cmd); + kfree(cmd); + } } /* diff --git a/drivers/md/dm-cache-target.c b/drivers/md/dm-cache-target.c index ff284b7a17b..c10dec0f6e9 100644 --- a/drivers/md/dm-cache-target.c +++ b/drivers/md/dm-cache-target.c @@ -222,7 +222,13 @@ struct cache { struct list_head need_commit_migrations; sector_t migration_threshold; wait_queue_head_t migration_wait; - atomic_t nr_migrations; + atomic_t nr_allocated_migrations; + + /* + * The number of in flight migrations that are performing + * background io. eg, promotion, writeback. + */ + atomic_t nr_io_migrations; wait_queue_head_t quiescing_wait; atomic_t quiescing; @@ -259,7 +265,6 @@ struct cache { struct dm_deferred_set *all_io_ds; mempool_t *migration_pool; - struct dm_cache_migration *next_migration; struct dm_cache_policy *policy; unsigned policy_nr_args; @@ -350,10 +355,31 @@ static void free_prison_cell(struct cache *cache, struct dm_bio_prison_cell *cel dm_bio_prison_free_cell(cache->prison, cell); } +static struct dm_cache_migration *alloc_migration(struct cache *cache) +{ + struct dm_cache_migration *mg; + + mg = mempool_alloc(cache->migration_pool, GFP_NOWAIT); + if (mg) { + mg->cache = cache; + atomic_inc(&mg->cache->nr_allocated_migrations); + } + + return mg; +} + +static void free_migration(struct dm_cache_migration *mg) +{ + if (atomic_dec_and_test(&mg->cache->nr_allocated_migrations)) + wake_up(&mg->cache->migration_wait); + + mempool_free(mg, mg->cache->migration_pool); +} + static int prealloc_data_structs(struct cache *cache, struct prealloc *p) { if (!p->mg) { - p->mg = mempool_alloc(cache->migration_pool, GFP_NOWAIT); + p->mg = alloc_migration(cache); if (!p->mg) return -ENOMEM; } @@ -382,7 +408,7 @@ static void prealloc_free_structs(struct cache *cache, struct prealloc *p) free_prison_cell(cache, p->cell1); if (p->mg) - mempool_free(p->mg, cache->migration_pool); + free_migration(p->mg); } static struct dm_cache_migration *prealloc_get_migration(struct prealloc *p) @@ -812,24 +838,14 @@ static void remap_to_origin_then_cache(struct cache *cache, struct bio *bio, * Migration covers moving data from the origin device to the cache, or * vice versa. *--------------------------------------------------------------*/ -static void free_migration(struct dm_cache_migration *mg) -{ - mempool_free(mg, mg->cache->migration_pool); -} - -static void inc_nr_migrations(struct cache *cache) +static void inc_io_migrations(struct cache *cache) { - atomic_inc(&cache->nr_migrations); + atomic_inc(&cache->nr_io_migrations); } -static void dec_nr_migrations(struct cache *cache) +static void dec_io_migrations(struct cache *cache) { - atomic_dec(&cache->nr_migrations); - - /* - * Wake the worker in case we're suspending the target. - */ - wake_up(&cache->migration_wait); + atomic_dec(&cache->nr_io_migrations); } static void __cell_defer(struct cache *cache, struct dm_bio_prison_cell *cell, @@ -852,11 +868,10 @@ static void cell_defer(struct cache *cache, struct dm_bio_prison_cell *cell, wake_worker(cache); } -static void cleanup_migration(struct dm_cache_migration *mg) +static void free_io_migration(struct dm_cache_migration *mg) { - struct cache *cache = mg->cache; + dec_io_migrations(mg->cache); free_migration(mg); - dec_nr_migrations(cache); } static void migration_failure(struct dm_cache_migration *mg) @@ -881,7 +896,7 @@ static void migration_failure(struct dm_cache_migration *mg) cell_defer(cache, mg->new_ocell, true); } - cleanup_migration(mg); + free_io_migration(mg); } static void migration_success_pre_commit(struct dm_cache_migration *mg) @@ -892,7 +907,7 @@ static void migration_success_pre_commit(struct dm_cache_migration *mg) if (mg->writeback) { clear_dirty(cache, mg->old_oblock, mg->cblock); cell_defer(cache, mg->old_ocell, false); - cleanup_migration(mg); + free_io_migration(mg); return; } else if (mg->demote) { @@ -902,14 +917,14 @@ static void migration_success_pre_commit(struct dm_cache_migration *mg) mg->old_oblock); if (mg->promote) cell_defer(cache, mg->new_ocell, true); - cleanup_migration(mg); + free_io_migration(mg); return; } } else { if (dm_cache_insert_mapping(cache->cmd, mg->cblock, mg->new_oblock)) { DMWARN_LIMIT("promotion failed; couldn't update on disk metadata"); policy_remove_mapping(cache->policy, mg->new_oblock); - cleanup_migration(mg); + free_io_migration(mg); return; } } @@ -942,7 +957,7 @@ static void migration_success_post_commit(struct dm_cache_migration *mg) } else { if (mg->invalidate) policy_remove_mapping(cache->policy, mg->old_oblock); - cleanup_migration(mg); + free_io_migration(mg); } } else { @@ -957,7 +972,7 @@ static void migration_success_post_commit(struct dm_cache_migration *mg) bio_endio(mg->new_ocell->holder, 0); cell_defer(cache, mg->new_ocell, false); } - cleanup_migration(mg); + free_io_migration(mg); } } @@ -1169,7 +1184,7 @@ static void promote(struct cache *cache, struct prealloc *structs, mg->new_ocell = cell; mg->start_jiffies = jiffies; - inc_nr_migrations(cache); + inc_io_migrations(cache); quiesce_migration(mg); } @@ -1192,7 +1207,7 @@ static void writeback(struct cache *cache, struct prealloc *structs, mg->new_ocell = NULL; mg->start_jiffies = jiffies; - inc_nr_migrations(cache); + inc_io_migrations(cache); quiesce_migration(mg); } @@ -1218,7 +1233,7 @@ static void demote_then_promote(struct cache *cache, struct prealloc *structs, mg->new_ocell = new_ocell; mg->start_jiffies = jiffies; - inc_nr_migrations(cache); + inc_io_migrations(cache); quiesce_migration(mg); } @@ -1245,7 +1260,7 @@ static void invalidate(struct cache *cache, struct prealloc *structs, mg->new_ocell = NULL; mg->start_jiffies = jiffies; - inc_nr_migrations(cache); + inc_io_migrations(cache); quiesce_migration(mg); } @@ -1306,7 +1321,7 @@ static void process_discard_bio(struct cache *cache, struct bio *bio) static bool spare_migration_bandwidth(struct cache *cache) { - sector_t current_volume = (atomic_read(&cache->nr_migrations) + 1) * + sector_t current_volume = (atomic_read(&cache->nr_io_migrations) + 1) * cache->sectors_per_block; return current_volume < cache->migration_threshold; } @@ -1661,7 +1676,7 @@ static void stop_quiescing(struct cache *cache) static void wait_for_migrations(struct cache *cache) { - wait_event(cache->migration_wait, !atomic_read(&cache->nr_migrations)); + wait_event(cache->migration_wait, !atomic_read(&cache->nr_allocated_migrations)); } static void stop_worker(struct cache *cache) @@ -1772,9 +1787,6 @@ static void destroy(struct cache *cache) { unsigned i; - if (cache->next_migration) - mempool_free(cache->next_migration, cache->migration_pool); - if (cache->migration_pool) mempool_destroy(cache->migration_pool); @@ -2282,7 +2294,8 @@ static int cache_create(struct cache_args *ca, struct cache **result) INIT_LIST_HEAD(&cache->quiesced_migrations); INIT_LIST_HEAD(&cache->completed_migrations); INIT_LIST_HEAD(&cache->need_commit_migrations); - atomic_set(&cache->nr_migrations, 0); + atomic_set(&cache->nr_allocated_migrations, 0); + atomic_set(&cache->nr_io_migrations, 0); init_waitqueue_head(&cache->migration_wait); init_waitqueue_head(&cache->quiescing_wait); @@ -2342,8 +2355,6 @@ static int cache_create(struct cache_args *ca, struct cache **result) goto bad; } - cache->next_migration = NULL; - cache->need_tick_bio = true; cache->sized = false; cache->invalidate = false; diff --git a/drivers/md/raid5.c b/drivers/md/raid5.c index 4913c069087..175584ad643 100644 --- a/drivers/md/raid5.c +++ b/drivers/md/raid5.c @@ -2896,7 +2896,8 @@ static int fetch_block(struct stripe_head *sh, struct stripe_head_state *s, (s->failed >= 2 && fdev[1]->toread) || (sh->raid_conf->level <= 5 && s->failed && fdev[0]->towrite && !test_bit(R5_OVERWRITE, &fdev[0]->flags)) || - (sh->raid_conf->level == 6 && s->failed && s->to_write))) { + ((sh->raid_conf->level == 6 || sh->sector >= sh->raid_conf->mddev->recovery_cp) + && s->failed && s->to_write))) { /* we would like to get this block, possibly by computing it, * otherwise read it if the backing disk is insync */ diff --git a/drivers/media/i2c/smiapp-pll.c b/drivers/media/i2c/smiapp-pll.c index 2335529b195..ab5d9a3adeb 100644 --- a/drivers/media/i2c/smiapp-pll.c +++ b/drivers/media/i2c/smiapp-pll.c @@ -67,7 +67,7 @@ static void print_pll(struct device *dev, struct smiapp_pll *pll) { dev_dbg(dev, "pre_pll_clk_div\t%d\n", pll->pre_pll_clk_div); dev_dbg(dev, "pll_multiplier \t%d\n", pll->pll_multiplier); - if (pll->flags != SMIAPP_PLL_FLAG_NO_OP_CLOCKS) { + if (!(pll->flags & SMIAPP_PLL_FLAG_NO_OP_CLOCKS)) { dev_dbg(dev, "op_sys_clk_div \t%d\n", pll->op_sys_clk_div); dev_dbg(dev, "op_pix_clk_div \t%d\n", pll->op_pix_clk_div); } @@ -77,7 +77,7 @@ static void print_pll(struct device *dev, struct smiapp_pll *pll) dev_dbg(dev, "ext_clk_freq_hz \t%d\n", pll->ext_clk_freq_hz); dev_dbg(dev, "pll_ip_clk_freq_hz \t%d\n", pll->pll_ip_clk_freq_hz); dev_dbg(dev, "pll_op_clk_freq_hz \t%d\n", pll->pll_op_clk_freq_hz); - if (pll->flags & SMIAPP_PLL_FLAG_NO_OP_CLOCKS) { + if (!(pll->flags & SMIAPP_PLL_FLAG_NO_OP_CLOCKS)) { dev_dbg(dev, "op_sys_clk_freq_hz \t%d\n", pll->op_sys_clk_freq_hz); dev_dbg(dev, "op_pix_clk_freq_hz \t%d\n", diff --git a/drivers/media/i2c/smiapp/smiapp-core.c b/drivers/media/i2c/smiapp/smiapp-core.c index 7026ab08ec9..873d0627a75 100644 --- a/drivers/media/i2c/smiapp/smiapp-core.c +++ b/drivers/media/i2c/smiapp/smiapp-core.c @@ -2624,7 +2624,9 @@ static int smiapp_registered(struct v4l2_subdev *subdev) pll->flags |= SMIAPP_PLL_FLAG_OP_PIX_CLOCK_PER_LANE; pll->scale_n = sensor->limits[SMIAPP_LIMIT_SCALER_N_MIN]; + mutex_lock(&sensor->mutex); rval = smiapp_update_mode(sensor); + mutex_unlock(&sensor->mutex); if (rval) { dev_err(&client->dev, "update mode failed\n"); goto out_nvm_release; diff --git a/drivers/media/platform/Kconfig b/drivers/media/platform/Kconfig index f3e78e1fb4d..aee0f2d4c31 100644 --- a/drivers/media/platform/Kconfig +++ b/drivers/media/platform/Kconfig @@ -255,6 +255,17 @@ config VIDEO_TI_VPDMA_HELPER it provides a mem2mem, mem2device, device2mem DMA specifically for transfering and manipulating video data. +config VIDEO_TI_VPDMA_LOAD_FW + bool "Load VPDMA F/W from Kernel" + depends on VIDEO_TI_VPDMA_HELPER + default n + ---help--- + TI SoC's Video Port Direct Memory Access module + needs a firmware to be loaded. This can be loaded from + user space via udev event or it can be loaded from kernel itself + Say 'y' if you want the Video devices to be initialized early + in the bootup sequence. + menuconfig V4L_TEST_DRIVERS bool "Media test drivers" depends on MEDIA_CAMERA_SUPPORT diff --git a/drivers/media/platform/ti-vpe/vpe.c b/drivers/media/platform/ti-vpe/vpe.c index cc87a798f8b..e96b556806b 100644 --- a/drivers/media/platform/ti-vpe/vpe.c +++ b/drivers/media/platform/ti-vpe/vpe.c @@ -299,6 +299,22 @@ static struct vpe_fmt vpe_formats[] = { .vpdma_fmt = { &vpdma_rgb_fmts[VPDMA_DATA_FMT_ABGR32], }, }, + { + .name = "RGB565", + .fourcc = V4L2_PIX_FMT_RGB565, + .types = VPE_FMT_TYPE_CAPTURE, + .coplanar = 0, + .vpdma_fmt = { &vpdma_rgb_fmts[VPDMA_DATA_FMT_RGB565], + }, + }, + { + .name = "RGB5551", + .fourcc = V4L2_PIX_FMT_RGB555, + .types = VPE_FMT_TYPE_CAPTURE, + .coplanar = 0, + .vpdma_fmt = { &vpdma_rgb_fmts[VPDMA_DATA_FMT_RGBA16_5551], + }, + }, }; /* @@ -745,9 +761,11 @@ static void set_dst_registers(struct vpe_ctx *ctx) struct vpe_fmt *fmt = ctx->q_data[Q_DATA_DST].fmt; u32 val = 0; - if (clrspc == V4L2_COLORSPACE_SRGB) + if (clrspc == V4L2_COLORSPACE_SRGB) { val |= VPE_RGB_OUT_SELECT; - else if (fmt->fourcc == V4L2_PIX_FMT_NV16) + vpdma_set_bg_color(ctx->dev->vpdma, + (struct vpdma_data_format *)fmt->vpdma_fmt[0], 0xff); + } else if (fmt->fourcc == V4L2_PIX_FMT_NV16) val |= VPE_COLOR_SEPARATE_422; /* @@ -876,6 +894,7 @@ static int set_srcdst_params(struct vpe_ctx *ctx) } free_vbs(ctx); + ctx->src_vbs[2] = ctx->src_vbs[1] = ctx->src_vbs[0] = NULL; ret = realloc_mv_buffers(ctx, mv_buf_size); if (ret) @@ -1307,6 +1326,7 @@ static irqreturn_t vpe_irq(int irq_vpe, void *data) struct v4l2_buffer *s_buf, *d_buf; unsigned long flags; u32 irqst0, irqst1; + bool list_complete = false; irqst0 = read_reg(dev, VPE_INT0_STATUS0); if (irqst0) { @@ -1342,6 +1362,7 @@ static irqreturn_t vpe_irq(int irq_vpe, void *data) vpdma_clear_list_stat(ctx->dev->vpdma, 0, 0); irqst0 &= ~(VPE_INT0_LIST0_COMPLETE); + list_complete = true; } if (irqst0 | irqst1) { @@ -1350,6 +1371,11 @@ static irqreturn_t vpe_irq(int irq_vpe, void *data) irqst0, irqst1); } + /* Setup next operation only when list complete IRQ occurs + * otherwise, skip the following code */ + if (list_complete != true) + goto handled; + disable_irqs(ctx); vpdma_unmap_desc_buf(dev->vpdma, &ctx->desc_list.buf); @@ -1897,6 +1923,8 @@ static int vpe_streamon(struct file *file, void *priv, enum v4l2_buf_type type) if (ctx->deinterlacing) config_edi_input_mode(ctx, 0x0); + if (ctx->sequence != 0) + set_srcdst_params(ctx); return v4l2_m2m_streamon(file, ctx->m2m_ctx, type); } diff --git a/drivers/media/usb/au0828/au0828-cards.c b/drivers/media/usb/au0828/au0828-cards.c index dd32decb237..1d4b1103895 100644 --- a/drivers/media/usb/au0828/au0828-cards.c +++ b/drivers/media/usb/au0828/au0828-cards.c @@ -36,6 +36,11 @@ static void hvr950q_cs5340_audio(void *priv, int enable) au0828_clear(dev, REG_000, 0x10); } +/* + * WARNING: There's a quirks table at sound/usb/quirks-table.h + * that should also be updated every time a new device with V4L2 support + * is added here. + */ struct au0828_board au0828_boards[] = { [AU0828_BOARD_UNKNOWN] = { .name = "Unknown board", diff --git a/drivers/media/usb/dvb-usb/af9005.c b/drivers/media/usb/dvb-usb/af9005.c index af176b6ce73..e6d3561eea4 100644 --- a/drivers/media/usb/dvb-usb/af9005.c +++ b/drivers/media/usb/dvb-usb/af9005.c @@ -1081,9 +1081,12 @@ static int __init af9005_usb_module_init(void) err("usb_register failed. (%d)", result); return result; } +#if IS_MODULE(CONFIG_DVB_USB_AF9005) || defined(CONFIG_DVB_USB_AF9005_REMOTE) + /* FIXME: convert to todays kernel IR infrastructure */ rc_decode = symbol_request(af9005_rc_decode); rc_keys = symbol_request(rc_map_af9005_table); rc_keys_size = symbol_request(rc_map_af9005_table_size); +#endif if (rc_decode == NULL || rc_keys == NULL || rc_keys_size == NULL) { err("af9005_rc_decode function not found, disabling remote"); af9005_properties.rc.legacy.rc_query = NULL; diff --git a/drivers/media/usb/uvc/uvc_driver.c b/drivers/media/usb/uvc/uvc_driver.c index 753ad4cfc11..45314412b4a 100644 --- a/drivers/media/usb/uvc/uvc_driver.c +++ b/drivers/media/usb/uvc/uvc_driver.c @@ -1603,12 +1603,12 @@ static void uvc_delete(struct uvc_device *dev) { struct list_head *p, *n; - usb_put_intf(dev->intf); - usb_put_dev(dev->udev); - uvc_status_cleanup(dev); uvc_ctrl_cleanup_device(dev); + usb_put_intf(dev->intf); + usb_put_dev(dev->udev); + if (dev->vdev.dev) v4l2_device_unregister(&dev->vdev); #ifdef CONFIG_MEDIA_CONTROLLER diff --git a/drivers/mmc/host/sdhci.c b/drivers/mmc/host/sdhci.c index 7e0176321af..881bf89acfc 100644 --- a/drivers/mmc/host/sdhci.c +++ b/drivers/mmc/host/sdhci.c @@ -2537,7 +2537,7 @@ out: /* * We have to delay this as it calls back into the driver. */ - if (cardint) + if (cardint && host->mmc->sdio_irqs) mmc_signal_sdio_irq(host->mmc); return result; diff --git a/drivers/net/can/dev.c b/drivers/net/can/dev.c index cc11f7f5e91..1468c465880 100644 --- a/drivers/net/can/dev.c +++ b/drivers/net/can/dev.c @@ -664,10 +664,14 @@ static int can_changelink(struct net_device *dev, if (dev->flags & IFF_UP) return -EBUSY; cm = nla_data(data[IFLA_CAN_CTRLMODE]); - if (cm->flags & ~priv->ctrlmode_supported) + + /* check whether changed bits are allowed to be modified */ + if (cm->mask & ~priv->ctrlmode_supported) return -EOPNOTSUPP; + + /* clear bits to be modified and copy the flag values */ priv->ctrlmode &= ~cm->mask; - priv->ctrlmode |= cm->flags; + priv->ctrlmode |= (cm->flags & cm->mask); } if (data[IFLA_CAN_RESTART_MS]) { diff --git a/drivers/net/can/usb/kvaser_usb.c b/drivers/net/can/usb/kvaser_usb.c index e77d1104974..4e65b35bebc 100644 --- a/drivers/net/can/usb/kvaser_usb.c +++ b/drivers/net/can/usb/kvaser_usb.c @@ -1237,6 +1237,9 @@ static int kvaser_usb_close(struct net_device *netdev) if (err) netdev_warn(netdev, "Cannot stop device, error %d\n", err); + /* reset tx contexts */ + kvaser_usb_unlink_tx_urbs(priv); + priv->can.state = CAN_STATE_STOPPED; close_candev(priv->netdev); @@ -1285,12 +1288,14 @@ static netdev_tx_t kvaser_usb_start_xmit(struct sk_buff *skb, if (!urb) { netdev_err(netdev, "No memory left for URBs\n"); stats->tx_dropped++; - goto nourbmem; + dev_kfree_skb(skb); + return NETDEV_TX_OK; } buf = kmalloc(sizeof(struct kvaser_msg), GFP_ATOMIC); if (!buf) { stats->tx_dropped++; + dev_kfree_skb(skb); goto nobufmem; } @@ -1325,6 +1330,7 @@ static netdev_tx_t kvaser_usb_start_xmit(struct sk_buff *skb, } } + /* This should never happen; it implies a flow control bug */ if (!context) { netdev_warn(netdev, "cannot find free context\n"); ret = NETDEV_TX_BUSY; @@ -1355,9 +1361,6 @@ static netdev_tx_t kvaser_usb_start_xmit(struct sk_buff *skb, if (unlikely(err)) { can_free_echo_skb(netdev, context->echo_index); - skb = NULL; /* set to NULL to avoid double free in - * dev_kfree_skb(skb) */ - atomic_dec(&priv->active_tx_urbs); usb_unanchor_urb(urb); @@ -1379,8 +1382,6 @@ releasebuf: kfree(buf); nobufmem: usb_free_urb(urb); -nourbmem: - dev_kfree_skb(skb); return ret; } @@ -1492,6 +1493,10 @@ static int kvaser_usb_init_one(struct usb_interface *intf, struct kvaser_usb_net_priv *priv; int i, err; + err = kvaser_usb_send_simple_msg(dev, CMD_RESET_CHIP, channel); + if (err) + return err; + netdev = alloc_candev(sizeof(*priv), MAX_TX_URBS); if (!netdev) { dev_err(&intf->dev, "Cannot alloc candev\n"); @@ -1595,9 +1600,6 @@ static int kvaser_usb_probe(struct usb_interface *intf, usb_set_intfdata(intf, dev); - for (i = 0; i < MAX_NET_DEVICES; i++) - kvaser_usb_send_simple_msg(dev, CMD_RESET_CHIP, i); - err = kvaser_usb_get_software_info(dev); if (err) { dev_err(&intf->dev, diff --git a/drivers/net/ethernet/atheros/alx/main.c b/drivers/net/ethernet/atheros/alx/main.c index 380d2492204..3e1d7d29b4e 100644 --- a/drivers/net/ethernet/atheros/alx/main.c +++ b/drivers/net/ethernet/atheros/alx/main.c @@ -184,15 +184,16 @@ static void alx_schedule_reset(struct alx_priv *alx) schedule_work(&alx->reset_wk); } -static bool alx_clean_rx_irq(struct alx_priv *alx, int budget) +static int alx_clean_rx_irq(struct alx_priv *alx, int budget) { struct alx_rx_queue *rxq = &alx->rxq; struct alx_rrd *rrd; struct alx_buffer *rxb; struct sk_buff *skb; u16 length, rfd_cleaned = 0; + int work = 0; - while (budget > 0) { + while (work < budget) { rrd = &rxq->rrd[rxq->rrd_read_idx]; if (!(rrd->word3 & cpu_to_le32(1 << RRD_UPDATED_SHIFT))) break; @@ -203,7 +204,7 @@ static bool alx_clean_rx_irq(struct alx_priv *alx, int budget) ALX_GET_FIELD(le32_to_cpu(rrd->word0), RRD_NOR) != 1) { alx_schedule_reset(alx); - return 0; + return work; } rxb = &rxq->bufs[rxq->read_idx]; @@ -243,7 +244,7 @@ static bool alx_clean_rx_irq(struct alx_priv *alx, int budget) } napi_gro_receive(&alx->napi, skb); - budget--; + work++; next_pkt: if (++rxq->read_idx == alx->rx_ringsz) @@ -258,21 +259,22 @@ next_pkt: if (rfd_cleaned) alx_refill_rx_ring(alx, GFP_ATOMIC); - return budget > 0; + return work; } static int alx_poll(struct napi_struct *napi, int budget) { struct alx_priv *alx = container_of(napi, struct alx_priv, napi); struct alx_hw *hw = &alx->hw; - bool complete = true; unsigned long flags; + bool tx_complete; + int work; - complete = alx_clean_tx_irq(alx) && - alx_clean_rx_irq(alx, budget); + tx_complete = alx_clean_tx_irq(alx); + work = alx_clean_rx_irq(alx, budget); - if (!complete) - return 1; + if (!tx_complete || work == budget) + return budget; napi_complete(&alx->napi); @@ -284,7 +286,7 @@ static int alx_poll(struct napi_struct *napi, int budget) alx_post_write(hw); - return 0; + return work; } static irqreturn_t alx_intr_handle(struct alx_priv *alx, u32 intr) diff --git a/drivers/net/ethernet/broadcom/tg3.c b/drivers/net/ethernet/broadcom/tg3.c index 086eac5af5c..82061139b21 100644 --- a/drivers/net/ethernet/broadcom/tg3.c +++ b/drivers/net/ethernet/broadcom/tg3.c @@ -17731,23 +17731,6 @@ static int tg3_init_one(struct pci_dev *pdev, goto err_out_apeunmap; } - /* - * Reset chip in case UNDI or EFI driver did not shutdown - * DMA self test will enable WDMAC and we'll see (spurious) - * pending DMA on the PCI bus at that point. - */ - if ((tr32(HOSTCC_MODE) & HOSTCC_MODE_ENABLE) || - (tr32(WDMAC_MODE) & WDMAC_MODE_ENABLE)) { - tw32(MEMARB_MODE, MEMARB_MODE_ENABLE); - tg3_halt(tp, RESET_KIND_SHUTDOWN, 1); - } - - err = tg3_test_dma(tp); - if (err) { - dev_err(&pdev->dev, "DMA engine test failed, aborting\n"); - goto err_out_apeunmap; - } - intmbx = MAILBOX_INTERRUPT_0 + TG3_64BIT_REG_LOW; rcvmbx = MAILBOX_RCVRET_CON_IDX_0 + TG3_64BIT_REG_LOW; sndmbx = MAILBOX_SNDHOST_PROD_IDX_0 + TG3_64BIT_REG_LOW; @@ -17792,6 +17775,23 @@ static int tg3_init_one(struct pci_dev *pdev, sndmbx += 0xc; } + /* + * Reset chip in case UNDI or EFI driver did not shutdown + * DMA self test will enable WDMAC and we'll see (spurious) + * pending DMA on the PCI bus at that point. + */ + if ((tr32(HOSTCC_MODE) & HOSTCC_MODE_ENABLE) || + (tr32(WDMAC_MODE) & WDMAC_MODE_ENABLE)) { + tw32(MEMARB_MODE, MEMARB_MODE_ENABLE); + tg3_halt(tp, RESET_KIND_SHUTDOWN, 1); + } + + err = tg3_test_dma(tp); + if (err) { + dev_err(&pdev->dev, "DMA engine test failed, aborting\n"); + goto err_out_apeunmap; + } + tg3_init_coal(tp); pci_set_drvdata(pdev, dev); diff --git a/drivers/net/ethernet/cisco/enic/enic_main.c b/drivers/net/ethernet/cisco/enic/enic_main.c index b740bfce72e..ff9b423805a 100644 --- a/drivers/net/ethernet/cisco/enic/enic_main.c +++ b/drivers/net/ethernet/cisco/enic/enic_main.c @@ -1044,10 +1044,14 @@ static void enic_rq_indicate_buf(struct vnic_rq *rq, PKT_HASH_TYPE_L4 : PKT_HASH_TYPE_L3); } - if ((netdev->features & NETIF_F_RXCSUM) && !csum_not_calc) { - skb->csum = htons(checksum); - skb->ip_summed = CHECKSUM_COMPLETE; - } + /* Hardware does not provide whole packet checksum. It only + * provides pseudo checksum. Since hw validates the packet + * checksum but not provide us the checksum value. use + * CHECSUM_UNNECESSARY. + */ + if ((netdev->features & NETIF_F_RXCSUM) && tcp_udp_csum_ok && + ipv4_csum_ok) + skb->ip_summed = CHECKSUM_UNNECESSARY; if (vlan_stripped) __vlan_hwaccel_put_tag(skb, htons(ETH_P_8021Q), vlan_tci); diff --git a/drivers/net/ethernet/ti/cpsw.c b/drivers/net/ethernet/ti/cpsw.c index 06c75bd2042..8704954b98b 100644 --- a/drivers/net/ethernet/ti/cpsw.c +++ b/drivers/net/ethernet/ti/cpsw.c @@ -613,7 +613,7 @@ static void cpsw_set_promiscious(struct net_device *ndev, bool enable) /* Clear all mcast from ALE */ cpsw_ale_flush_multicast(ale, ALE_ALL_PORTS << - priv->host_port); + priv->host_port, -1); /* Flood All Unicast Packets to Host port */ cpsw_ale_control_set(ale, 0, ALE_P0_UNI_FLOOD, 1); @@ -637,6 +637,12 @@ static void cpsw_set_promiscious(struct net_device *ndev, bool enable) static void cpsw_ndo_set_rx_mode(struct net_device *ndev) { struct cpsw_priv *priv = netdev_priv(ndev); + int vid; + + if (priv->data.dual_emac) + vid = priv->slaves[priv->emac_port].port_vlan; + else + vid = priv->data.default_vlan; if (ndev->flags & IFF_PROMISC) { /* Enable promiscuous mode */ @@ -652,7 +658,8 @@ static void cpsw_ndo_set_rx_mode(struct net_device *ndev) cpsw_ale_set_allmulti(priv->ale, priv->ndev->flags & IFF_ALLMULTI); /* Clear all mcast from ALE */ - cpsw_ale_flush_multicast(priv->ale, ALE_ALL_PORTS << priv->host_port); + cpsw_ale_flush_multicast(priv->ale, ALE_ALL_PORTS << priv->host_port, + vid); if (!netdev_mc_empty(ndev)) { struct netdev_hw_addr *ha; @@ -828,7 +835,9 @@ static int cpsw_poll(struct napi_struct *napi, int budget) struct cpsw_priv *prim_cpsw; napi_complete(napi); - __raw_writel(0xFF, &priv->wr_regs->rx_en); + + cpsw_intr_enable(priv); + prim_cpsw = cpsw_get_slave_priv(priv, 0); if (!prim_cpsw->irq_enabled) { prim_cpsw->irq_enabled = true; diff --git a/drivers/net/ethernet/ti/cpsw_ale.c b/drivers/net/ethernet/ti/cpsw_ale.c index 097ebe7077a..5246b3a18ff 100644 --- a/drivers/net/ethernet/ti/cpsw_ale.c +++ b/drivers/net/ethernet/ti/cpsw_ale.c @@ -234,7 +234,7 @@ static void cpsw_ale_flush_mcast(struct cpsw_ale *ale, u32 *ale_entry, cpsw_ale_set_entry_type(ale_entry, ALE_TYPE_FREE); } -int cpsw_ale_flush_multicast(struct cpsw_ale *ale, int port_mask) +int cpsw_ale_flush_multicast(struct cpsw_ale *ale, int port_mask, int vid) { u32 ale_entry[ALE_ENTRY_WORDS]; int ret, idx; @@ -245,6 +245,14 @@ int cpsw_ale_flush_multicast(struct cpsw_ale *ale, int port_mask) if (ret != ALE_TYPE_ADDR && ret != ALE_TYPE_VLAN_ADDR) continue; + /* if vid passed is -1 then remove all multicast entry from + * the table irrespective of vlan id, if a valid vlan id is + * passed then remove only multicast added to that vlan id. + * if vlan id doesn't match then move on to next entry. + */ + if (vid != -1 && cpsw_ale_get_vlan_id(ale_entry) != vid) + continue; + if (cpsw_ale_get_mcast(ale_entry)) { u8 addr[6]; diff --git a/drivers/net/ethernet/ti/cpsw_ale.h b/drivers/net/ethernet/ti/cpsw_ale.h index c0d4127aa54..af1e7ecd87c 100644 --- a/drivers/net/ethernet/ti/cpsw_ale.h +++ b/drivers/net/ethernet/ti/cpsw_ale.h @@ -92,7 +92,7 @@ void cpsw_ale_stop(struct cpsw_ale *ale); int cpsw_ale_set_ageout(struct cpsw_ale *ale, int ageout); int cpsw_ale_flush(struct cpsw_ale *ale, int port_mask); -int cpsw_ale_flush_multicast(struct cpsw_ale *ale, int port_mask); +int cpsw_ale_flush_multicast(struct cpsw_ale *ale, int port_mask, int vid); int cpsw_ale_add_ucast(struct cpsw_ale *ale, u8 *addr, int port, int flags, u16 vid); int cpsw_ale_del_ucast(struct cpsw_ale *ale, u8 *addr, int port, diff --git a/drivers/net/team/team.c b/drivers/net/team/team.c index 979fe433278..32efe8371ff 100644 --- a/drivers/net/team/team.c +++ b/drivers/net/team/team.c @@ -629,6 +629,7 @@ static int team_change_mode(struct team *team, const char *kind) static void team_notify_peers_work(struct work_struct *work) { struct team *team; + int val; team = container_of(work, struct team, notify_peers.dw.work); @@ -636,9 +637,14 @@ static void team_notify_peers_work(struct work_struct *work) schedule_delayed_work(&team->notify_peers.dw, 0); return; } + val = atomic_dec_if_positive(&team->notify_peers.count_pending); + if (val < 0) { + rtnl_unlock(); + return; + } call_netdevice_notifiers(NETDEV_NOTIFY_PEERS, team->dev); rtnl_unlock(); - if (!atomic_dec_and_test(&team->notify_peers.count_pending)) + if (val) schedule_delayed_work(&team->notify_peers.dw, msecs_to_jiffies(team->notify_peers.interval)); } @@ -669,6 +675,7 @@ static void team_notify_peers_fini(struct team *team) static void team_mcast_rejoin_work(struct work_struct *work) { struct team *team; + int val; team = container_of(work, struct team, mcast_rejoin.dw.work); @@ -676,9 +683,14 @@ static void team_mcast_rejoin_work(struct work_struct *work) schedule_delayed_work(&team->mcast_rejoin.dw, 0); return; } + val = atomic_dec_if_positive(&team->mcast_rejoin.count_pending); + if (val < 0) { + rtnl_unlock(); + return; + } call_netdevice_notifiers(NETDEV_RESEND_IGMP, team->dev); rtnl_unlock(); - if (!atomic_dec_and_test(&team->mcast_rejoin.count_pending)) + if (val) schedule_delayed_work(&team->mcast_rejoin.dw, msecs_to_jiffies(team->mcast_rejoin.interval)); } diff --git a/drivers/pci/pci.c b/drivers/pci/pci.c index dae70d21676..78c65d327e3 100644 --- a/drivers/pci/pci.c +++ b/drivers/pci/pci.c @@ -3187,7 +3187,8 @@ static int pci_parent_bus_reset(struct pci_dev *dev, int probe) { struct pci_dev *pdev; - if (pci_is_root_bus(dev->bus) || dev->subordinate || !dev->bus->self) + if (pci_is_root_bus(dev->bus) || dev->subordinate || + !dev->bus->self || dev->dev_flags & PCI_DEV_FLAGS_NO_BUS_RESET) return -ENOTTY; list_for_each_entry(pdev, &dev->bus->devices, bus_list) @@ -3221,7 +3222,8 @@ static int pci_dev_reset_slot_function(struct pci_dev *dev, int probe) { struct pci_dev *pdev; - if (dev->subordinate || !dev->slot) + if (dev->subordinate || !dev->slot || + dev->dev_flags & PCI_DEV_FLAGS_NO_BUS_RESET) return -ENOTTY; list_for_each_entry(pdev, &dev->bus->devices, bus_list) @@ -3452,6 +3454,20 @@ int pci_try_reset_function(struct pci_dev *dev) } EXPORT_SYMBOL_GPL(pci_try_reset_function); +/* Do any devices on or below this bus prevent a bus reset? */ +static bool pci_bus_resetable(struct pci_bus *bus) +{ + struct pci_dev *dev; + + list_for_each_entry(dev, &bus->devices, bus_list) { + if (dev->dev_flags & PCI_DEV_FLAGS_NO_BUS_RESET || + (dev->subordinate && !pci_bus_resetable(dev->subordinate))) + return false; + } + + return true; +} + /* Lock devices from the top of the tree down */ static void pci_bus_lock(struct pci_bus *bus) { @@ -3502,6 +3518,22 @@ unlock: return 0; } +/* Do any devices on or below this slot prevent a bus reset? */ +static bool pci_slot_resetable(struct pci_slot *slot) +{ + struct pci_dev *dev; + + list_for_each_entry(dev, &slot->bus->devices, bus_list) { + if (!dev->slot || dev->slot != slot) + continue; + if (dev->dev_flags & PCI_DEV_FLAGS_NO_BUS_RESET || + (dev->subordinate && !pci_bus_resetable(dev->subordinate))) + return false; + } + + return true; +} + /* Lock devices from the top of the tree down */ static void pci_slot_lock(struct pci_slot *slot) { @@ -3623,7 +3655,7 @@ static int pci_slot_reset(struct pci_slot *slot, int probe) { int rc; - if (!slot) + if (!slot || !pci_slot_resetable(slot)) return -ENOTTY; if (!probe) @@ -3715,7 +3747,7 @@ EXPORT_SYMBOL_GPL(pci_try_reset_slot); static int pci_bus_reset(struct pci_bus *bus, int probe) { - if (!bus->self) + if (!bus->self || !pci_bus_resetable(bus)) return -ENOTTY; if (probe) diff --git a/drivers/pci/quirks.c b/drivers/pci/quirks.c index 6e8776b59a2..27abeb40dfa 100644 --- a/drivers/pci/quirks.c +++ b/drivers/pci/quirks.c @@ -3008,6 +3008,20 @@ DECLARE_PCI_FIXUP_HEADER(PCI_VENDOR_ID_CHELSIO, 0x0030, DECLARE_PCI_FIXUP_HEADER(0x1814, 0x0601, /* Ralink RT2800 802.11n PCI */ quirk_broken_intx_masking); +static void quirk_no_bus_reset(struct pci_dev *dev) +{ + dev->dev_flags |= PCI_DEV_FLAGS_NO_BUS_RESET; +} + +/* + * Atheros AR93xx chips do not behave after a bus reset. The device will + * throw a Link Down error on AER-capable systems and regardless of AER, + * config space of the device is never accessible again and typically + * causes the system to hang or reset when access is attempted. + * http://www.spinics.net/lists/linux-pci/msg34797.html + */ +DECLARE_PCI_FIXUP_HEADER(PCI_VENDOR_ID_ATHEROS, 0x0030, quirk_no_bus_reset); + static void pci_do_fixups(struct pci_dev *dev, struct pci_fixup *f, struct pci_fixup *end) { diff --git a/drivers/pinctrl/Kconfig b/drivers/pinctrl/Kconfig index 1e4e69384ba..3dba5d52070 100644 --- a/drivers/pinctrl/Kconfig +++ b/drivers/pinctrl/Kconfig @@ -117,6 +117,17 @@ config PINCTRL_CAPRI BCM28145, and BCM28155 SoCs. This driver requires the pinctrl framework. GPIO is provided by a separate GPIO driver. +config PINCTRL_TI_IODELAY + bool "TI IODelay Module pinconf driver" + depends on OF + select PINCONF + select GENERIC_PINCONF + select REGMAP_MMIO + help + Say Y here to support Texas Instruments' IODelay pinconf driver. + IODelay module is used for the DRA7 SoC family. This driver is in + addition to PINCTRL_SINGLE which controls the mux. + config PINCTRL_IMX bool select PINMUX diff --git a/drivers/pinctrl/Makefile b/drivers/pinctrl/Makefile index 4b835880cf8..c7b52f78f63 100644 --- a/drivers/pinctrl/Makefile +++ b/drivers/pinctrl/Makefile @@ -53,6 +53,7 @@ obj-$(CONFIG_PINCTRL_TEGRA20) += pinctrl-tegra20.o obj-$(CONFIG_PINCTRL_TEGRA30) += pinctrl-tegra30.o obj-$(CONFIG_PINCTRL_TEGRA114) += pinctrl-tegra114.o obj-$(CONFIG_PINCTRL_TEGRA124) += pinctrl-tegra124.o +obj-$(CONFIG_PINCTRL_TI_IODELAY)+= pinctrl-ti-iodelay.o obj-$(CONFIG_PINCTRL_TZ1090) += pinctrl-tz1090.o obj-$(CONFIG_PINCTRL_TZ1090_PDC) += pinctrl-tz1090-pdc.o obj-$(CONFIG_PINCTRL_U300) += pinctrl-u300.o diff --git a/drivers/pinctrl/core.c b/drivers/pinctrl/core.c index eb226c18789..f99f7df1cf6 100644 --- a/drivers/pinctrl/core.c +++ b/drivers/pinctrl/core.c @@ -1813,14 +1813,15 @@ void pinctrl_unregister(struct pinctrl_dev *pctldev) if (pctldev == NULL) return; - mutex_lock(&pinctrldev_list_mutex); mutex_lock(&pctldev->mutex); - pinctrl_remove_device_debugfs(pctldev); + mutex_unlock(&pctldev->mutex); if (!IS_ERR(pctldev->p)) pinctrl_put(pctldev->p); + mutex_lock(&pinctrldev_list_mutex); + mutex_lock(&pctldev->mutex); /* TODO: check that no pinmuxes are still active? */ list_del(&pctldev->node); /* Destroy descriptor tree */ diff --git a/drivers/pinctrl/pinctrl-ti-iodelay.c b/drivers/pinctrl/pinctrl-ti-iodelay.c new file mode 100644 index 00000000000..8f713334398 --- /dev/null +++ b/drivers/pinctrl/pinctrl-ti-iodelay.c @@ -0,0 +1,962 @@ +/* + * Support for configuration of IO Delay module found on Texas Instruments SoCs + * such as DRA7 + * + * Copyright (C) 2015 Texas Instruments, Inc. + * + * This file is licensed under the terms of the GNU General Public + * License version 2. This program is licensed "as is" without any + * warranty of any kind, whether express or implied. + */ +#include <linux/err.h> +#include <linux/init.h> +#include <linux/io.h> +#include <linux/list.h> +#include <linux/module.h> +#include <linux/of_device.h> +#include <linux/of.h> +#include <linux/pinctrl/pinconf-generic.h> +#include <linux/pinctrl/pinconf.h> +#include <linux/pinctrl/pinctrl.h> +#include <linux/regmap.h> +#include <linux/slab.h> + +#define IODELAY_REG_NAME_LEN ((sizeof(u32) * 2) + 3) +#define DRIVER_NAME "ti-io-delay" +/* Should I change this? Abuse? */ +#define IODELAY_MUX_PINS_NAME "pinctrl-single,pins" + +/* Device tree match, populated later */ +static struct of_device_id ti_iodelay_of_match[]; + +/** + * struct ti_iodelay_conf_vals - Description of each configuration parameters. + * @offset: Configuration register offset + * @a_delay: Agnostic Delay (in ps) + * @g_delay: Gnostic Delay (in ps) + */ +struct ti_iodelay_conf_vals { + u16 offset; + u16 a_delay; + u16 g_delay; +}; + +/** + * struct ti_iodelay_reg_data - Describes the registers for the IOdelay instance + * @signature_mask: Conf reg- mask for the signature bits + * @signature_value: Conf reg- signature value to be written (see TRM) + * @lock_mask: Conf reg- mask for the lock bits + * @lock_val: Conf reg- lock value for the lock bits (see TRM) + * @unlock_val: Conf reg- unlock value for the lock bits (see TRM) + * @binary_data_coarse_mask: Conf reg- coarse mask (see TRM) + * @binary_data_fine_mask: Conf reg- fine mask (see TRM) + * @reg_refclk_offset: Refclk register offset + * @refclk_period_mask: Refclk mask + * @reg_coarse_offset: Coarse register configuration offset + * @coarse_delay_count_mask: Coarse delay count mask + * @coarse_ref_count_mask: Coarse ref count mask + * @reg_fine_offset: Fine register configuration offset + * @fine_delay_count_mask: Fine delay count mask + * @fine_ref_count_mask: Fine ref count mask + * @reg_global_lock_offset: Global(for the IOdelay module) lock register offset + * @global_lock_mask: Lock mask + * @global_unlock_val: unlock value + * @global_lock_val: lock value + * @reg_start_offset: Where does the configuration registers start? + * @regmap_config: Regmap configuration for the IODelay region + */ +struct ti_iodelay_reg_data { + u32 signature_mask; + u32 signature_value; + u32 lock_mask; + u32 lock_val; + u32 unlock_val; + u32 binary_data_coarse_mask; + u32 binary_data_fine_mask; + + u32 reg_refclk_offset; + u32 refclk_period_mask; + + u32 reg_coarse_offset; + u32 coarse_delay_count_mask; + u32 coarse_ref_count_mask; + + u32 reg_fine_offset; + u32 fine_delay_count_mask; + u32 fine_ref_count_mask; + + u32 reg_global_lock_offset; + u32 global_lock_mask; + u32 global_unlock_val; + u32 global_lock_val; + + u32 reg_start_offset; + + struct regmap_config *regmap_config; +}; + +/** + * struct ti_iodelay_reg_values - Computed io_reg configuration values (see TRM) + * @coarse_ref_count: Coarse reference count + * @coarse_delay_count: Coarse delay count + * @fine_ref_count: Fine reference count + * @fine_delay_count: Fine Delay count + * @ref_clk_period: Reference Clock period + * @cdpe: Coarse delay parameter + * @fdpe: Fine delay parameter + */ +struct ti_iodelay_reg_values { + u16 coarse_ref_count; + u16 coarse_delay_count; + + u16 fine_ref_count; + u16 fine_delay_count; + + u16 ref_clk_period; + + u32 cdpe; + u32 fdpe; +}; + +/** + * struct ti_iodelay_pin_name - name of the pins + * @name: name + */ +struct ti_iodelay_pin_name { + char name[IODELAY_REG_NAME_LEN]; +}; + +/** + * struct ti_iodelay_pingroup - Structure that describes one group + * @np: Node pointer (device tree) + * @name: Name of the group + * @map: pinctrl map allocated for the group + * @vals: configuration values allocated for the group (from dt) + * @nvals: number of configuration values allocated + * @config: pinconf "Config" - currently a dummy value + * @node: list node to next group + */ +struct ti_iodelay_pingroup { + struct device_node *np; + const char *name; + struct pinctrl_map *map; + struct ti_iodelay_conf_vals *vals; + int nvals; + unsigned long config; + struct list_head node; +}; + +/** + * struct ti_iodelay_device - Represents information for a IOdelay instance + * @dev: device pointer + * @reg_base: Remapped virtual address + * @regmap: Regmap for this IOdelay instance + * @pctl: Pinctrl device + * @desc: pinctrl descriptor for pctl + * @pa: pinctrl pin wise description + * @names: names of the pins + * @groups: list of pinconf groups for iodelay instance + * @ngroups: number of groups in the list + * @mutex: mutex to protect group list modification + * @reg_data: Register definition data for the IODelay instance + * @reg_init_conf_values: Initial configuration values. + */ +struct ti_iodelay_device { + struct device *dev; + void __iomem *reg_base; + struct regmap *regmap; + + struct pinctrl_dev *pctl; + struct pinctrl_desc desc; + struct pinctrl_pin_desc *pa; + struct ti_iodelay_pin_name *names; + + struct list_head groups; + int ngroups; + struct mutex mutex; /* list protection */ + + const struct ti_iodelay_reg_data *reg_data; + struct ti_iodelay_reg_values reg_init_conf_values; +}; + +/*--- IOdelay configuration stuff ----*/ + +/** + * ti_iodelay_extract() - extract bits for a field + * @val: register value + * @mask: Mask + * + * Return: extracted value which is appropriately shifted + */ +static inline u32 ti_iodelay_extract(u32 val, u32 mask) +{ + return (val & mask) >> __ffs(mask); +} + +/** + * ti_iodelay_compute_dpe() - Compute equation for delay paramter + * @period: Period to use + * @ref: Reference Count + * @delay: Delay count + * @delay_m: Delay multiplier + * + * Return: Computed delay parameter + */ +static inline u32 ti_iodelay_compute_dpe(u16 period, u16 ref, u16 delay, + u16 delay_m) +{ + u64 m, d; + + /* Handle overflow conditions */ + m = 10 * (u64)period * (u64)ref; + d = 2 * (u64)delay * (u64)delay_m; + + /* Truncate result back to 32 bits */ + return div64_u64(m, d); +} + +/** + * ti_iodelay_pinconf_set() - Configure the pin configuration + * @iod: IODelay device + * @val: Configuration value + * + * Update the configuration register as per TRM and lockup once done. + * *IMPORTANT NOTE* SoC TRM does recommend doing iodelay programmation only + * while in Isolation. But, then, isolation also implies that every pin + * on the SoC(including DDR) will be isolated out. The only benefit being + * a glitchless configuration, However, the intent of this driver is purely + * to support a "glitchy" configuration where applicable. + * + * Return: 0 in case of success, else appropriate error value + */ +static int ti_iodelay_pinconf_set(struct ti_iodelay_device *iod, + struct ti_iodelay_conf_vals *val) +{ + const struct ti_iodelay_reg_data *reg = iod->reg_data; + struct ti_iodelay_reg_values *ival = &iod->reg_init_conf_values; + struct device *dev = iod->dev; + u32 g_delay_coarse, g_delay_fine; + u32 a_delay_coarse, a_delay_fine; + u32 c_elements, f_elements; + u32 total_delay; + u32 reg_mask, reg_val, tmp_val; + int r; + + /* NOTE: Truncation is expected in all division below */ + g_delay_coarse = val->g_delay / 920; + g_delay_fine = ((val->g_delay % 920) * 10) / 60; + + a_delay_coarse = val->a_delay / ival->cdpe; + a_delay_fine = ((val->a_delay % ival->cdpe) * 10) / ival->fdpe; + + c_elements = g_delay_coarse + a_delay_coarse; + f_elements = (g_delay_fine + a_delay_fine) / 10; + + if (f_elements > 22) { + total_delay = c_elements * ival->cdpe + f_elements * ival->fdpe; + c_elements = total_delay / ival->cdpe; + f_elements = (total_delay % ival->cdpe) / ival->fdpe; + } + + reg_mask = reg->signature_mask; + reg_val = reg->signature_value << __ffs(reg->signature_mask); + + reg_mask |= reg->binary_data_coarse_mask; + tmp_val = c_elements << __ffs(reg->binary_data_coarse_mask); + if (tmp_val & ~reg->binary_data_coarse_mask) { + dev_err(dev, "Masking overflow of coarse elements %08x\n", + tmp_val); + tmp_val &= reg->binary_data_coarse_mask; + } + reg_val |= tmp_val; + + reg_mask |= reg->binary_data_fine_mask; + tmp_val = f_elements << __ffs(reg->binary_data_fine_mask); + if (tmp_val & ~reg->binary_data_fine_mask) { + dev_err(dev, "Masking overflow of fine elements %08x\n", + tmp_val); + tmp_val &= reg->binary_data_fine_mask; + } + reg_val |= tmp_val; + + /* Write with lock value - we DONOT want h/w updates */ + reg_mask |= reg->lock_mask; + reg_val |= reg->lock_val << __ffs(reg->lock_mask); + r = regmap_update_bits(iod->regmap, val->offset, reg_mask, reg_val); + + dev_dbg(dev, "Set reg 0x%x Delay(a=%d g=%d), Elements(C=%d F=%d)0x%x\n", + val->offset, val->a_delay, val->g_delay, c_elements, + f_elements, reg_val); + + return r; +} + +/** + * ti_iodelay_pinconf_init_dev() - Initialize IODelay device + * @iod: IODelay device + * + * Unlocks the IODelay region, computes the common parameters + * + * Return: 0 in case of success, else appropriate error value + */ +static int ti_iodelay_pinconf_init_dev(struct ti_iodelay_device *iod) +{ + const struct ti_iodelay_reg_data *reg = iod->reg_data; + struct device *dev = iod->dev; + struct ti_iodelay_reg_values *ival = &iod->reg_init_conf_values; + u32 val; + int r; + + /* unlock the IOdelay region */ + r = regmap_update_bits(iod->regmap, reg->reg_global_lock_offset, + reg->global_lock_mask, reg->global_unlock_val); + if (r) + return r; + + /* Read up Recalibration sequence done by bootloader */ + r = regmap_read(iod->regmap, reg->reg_refclk_offset, &val); + if (r) + return r; + ival->ref_clk_period = ti_iodelay_extract(val, reg->refclk_period_mask); + dev_dbg(dev, "refclk_period=0x%04x\n", ival->ref_clk_period); + + r = regmap_read(iod->regmap, reg->reg_coarse_offset, &val); + if (r) + return r; + ival->coarse_ref_count = + ti_iodelay_extract(val, reg->coarse_ref_count_mask); + ival->coarse_delay_count = + ti_iodelay_extract(val, reg->coarse_delay_count_mask); + if (!ival->coarse_delay_count) { + dev_err(dev, "Invalid Coarse delay count (0) (reg=0x%08x)\n", + val); + return -EINVAL; + } + ival->cdpe = ti_iodelay_compute_dpe(ival->ref_clk_period, + ival->coarse_ref_count, + ival->coarse_delay_count, 88); + if (!ival->cdpe) { + dev_err(dev, "Invalid cdpe computed params = %d %d %d\n", + ival->ref_clk_period, ival->coarse_ref_count, + ival->coarse_delay_count); + return -EINVAL; + } + dev_dbg(iod->dev, "coarse: ref=0x%04x delay=0x%04x cdpe=0x%08x\n", + ival->coarse_ref_count, ival->coarse_delay_count, ival->cdpe); + + r = regmap_read(iod->regmap, reg->reg_fine_offset, &val); + if (r) + return r; + ival->fine_ref_count = + ti_iodelay_extract(val, reg->fine_ref_count_mask); + ival->fine_delay_count = + ti_iodelay_extract(val, reg->fine_delay_count_mask); + if (!ival->fine_delay_count) { + dev_err(dev, "Invalid Fine delay count (0) (reg=0x%08x)\n", + val); + return -EINVAL; + } + ival->fdpe = ti_iodelay_compute_dpe(ival->ref_clk_period, + ival->fine_ref_count, + ival->fine_delay_count, 264); + if (!ival->fdpe) { + dev_err(dev, "Invalid fdpe(0) computed params = %d %d %d\n", + ival->ref_clk_period, ival->fine_ref_count, + ival->fine_delay_count); + return -EINVAL; + } + dev_dbg(iod->dev, "fine: ref=0x%04x delay=0x%04x fdpe=0x%08x\n", + ival->fine_ref_count, ival->fine_delay_count, ival->fdpe); + + return 0; +} + +/** + * ti_iodelay_pinconf_deinit_dev() - deinit the IOdelay device + * @iod: IODelay device + * + * Deinitialize the IODelay device (basically just lock the region back up. + */ +static void ti_iodelay_pinconf_deinit_dev(struct ti_iodelay_device *iod) +{ + const struct ti_iodelay_reg_data *reg = iod->reg_data; + + /* lock the IOdelay region back again */ + regmap_update_bits(iod->regmap, reg->reg_global_lock_offset, + reg->global_lock_mask, reg->global_lock_val); +} + +/*--- Pinctrl/pinconf framework stuff ----*/ + +/** + * ti_iodelay_get_group() - Find the group mapped by a group selector + * @iod: IODelay device + * @gselector: Group Selector + * + * Return: Corresponding group representing group selector in list of groups + * managed in IOdelay device OR NULL if not found. + */ +static struct ti_iodelay_pingroup *ti_iodelay_get_group(struct ti_iodelay_device + *iod, + unsigned gselector) +{ + struct ti_iodelay_pingroup *group; + int gid = 0; + + list_for_each_entry(group, &iod->groups, node) { + if (gid == gselector) + return group; + gid++; + } + + dev_err(iod->dev, "%s could not find pingroup %i\n", __func__, + gselector); + return NULL; +} + +/** + * ti_iodelay_dt_node_to_map() - Map a device tree node to appropriate group + * @pctldev: pinctrl device representing IODelay device + * @np: Node Pointer (device tree) + * @map: Pinctrl Map returned back to pinctrl framework + * @num_maps: Number of maps (1) + * + * Maps the device tree description into a group of configuration paramters + * for IOdelay block entry. + * + * Return: 0 in case of success, else appropriate error value + */ +static int ti_iodelay_dt_node_to_map(struct pinctrl_dev *pctldev, + struct device_node *np, + struct pinctrl_map **map, + unsigned *num_maps) +{ + struct ti_iodelay_device *iod; + struct device *dev; + /* const char **pgnames; */ + int ret = 0; + const __be32 *mux; + struct ti_iodelay_conf_vals *vals; + struct ti_iodelay_pingroup *group; + int size, index, idx, rows; + u32 offset, val; + + iod = pinctrl_dev_get_drvdata(pctldev); + if (!iod) + return -EINVAL; + dev = iod->dev; + + *map = devm_kzalloc(dev, sizeof(**map), GFP_KERNEL); + if (!*map) + return -ENOMEM; + *num_maps = 0; + + group = devm_kzalloc(dev, sizeof(*group), GFP_KERNEL); + if (!group) { + ret = -ENOMEM; + goto free_map; + } + + mux = of_get_property(np, IODELAY_MUX_PINS_NAME, &size); + if ((!mux) || (size < sizeof(*mux) * 2)) { + dev_err(dev, "bad data for mux %s\n", np->name); + ret = -EINVAL; + goto free_group; + } + + size /= sizeof(*mux); /* Number of elements in array */ + rows = size / 2; + + vals = devm_kzalloc(dev, sizeof(*vals) * rows, GFP_KERNEL); + if (!vals) { + ret = -ENOMEM; + goto free_group; + } + + index = 0; + idx = 0; + while (index < size) { + offset = be32_to_cpup(mux + index++); + val = be32_to_cpup(mux + index++); + vals[idx].offset = offset; + vals[idx].a_delay = val & 0xFFFF; + vals[idx].g_delay = (val & 0xFFFF0000) >> 16; + if (offset > iod->reg_data->regmap_config->max_register) { + dev_err(dev, "Invalid offset for %s 0x%x\n", + np->name, offset); + break; + } + dev_dbg(dev, "%s offset=%x a_delay = %d g_delay = %d\n", + np->name, vals[idx].offset, vals[idx].a_delay, + vals[idx].g_delay); + idx++; + } + + group->name = np->name; + group->np = np; + group->vals = vals; + group->nvals = idx; + group->config = PIN_CONFIG_END; + group->map = *map; + + /* Add to group list */ + mutex_lock(&iod->mutex); + list_add_tail(&group->node, &iod->groups); + iod->ngroups++; + mutex_unlock(&iod->mutex); + + (*map)->type = PIN_MAP_TYPE_CONFIGS_GROUP; + (*map)->data.configs.group_or_pin = np->name; + (*map)->data.configs.configs = &group->config; + (*map)->data.configs.num_configs = 1; + *num_maps = 1; + + return 0; + +free_group: + devm_kfree(dev, group); +free_map: + devm_kfree(dev, *map); + return ret; +} + +/** + * ti_iodelay_dt_free_map() - Free map and resource alloted as per the map + * @pctldev: pinctrl device representing IODelay device + * @map: Map allocated by ti_iodelay_dt_node_to_map + * @num_maps: Num maps (1) + * + * Removes the group associated with the map and frees all resources allocated + * for the group. + */ +static void ti_iodelay_dt_free_map(struct pinctrl_dev *pctldev, + struct pinctrl_map *map, unsigned num_maps) +{ + struct ti_iodelay_device *iod; + struct device *dev; + struct ti_iodelay_pingroup *group; + bool found = false; + + if (!map) + return; + + iod = pinctrl_dev_get_drvdata(pctldev); + if (!iod) + return; + dev = iod->dev; + + mutex_lock(&iod->mutex); + list_for_each_entry(group, &iod->groups, node) { + if (group->map == map) { + found = true; + list_del(&group->node); + iod->ngroups--; + break; + } + } + mutex_unlock(&iod->mutex); + + /* If some freaky pinconf framework bug... */ + if (!found) + return; + + devm_kfree(dev, group->vals); + devm_kfree(dev, group); + devm_kfree(dev, map); +} + +/** + * ti_iodelay_pinctrl_get_groups_count() - Get number of groups registered + * @pctldev: pinctrl device representing IODelay device + * + * Return: number of groups mapped on the IODelay + */ +static int ti_iodelay_pinctrl_get_groups_count(struct pinctrl_dev *pctldev) +{ + struct ti_iodelay_device *iod; + struct device *dev; + + iod = pinctrl_dev_get_drvdata(pctldev); + dev = iod->dev; + + return iod->ngroups; +} + +/** + * ti_iodelay_pinctrl_get_group_name() - Get the group name + * @pctldev: pinctrl device representing IODelay device + * @gselector: group selector + * + * Return: name of the Group given a valid gselector, else NULL. + */ +static const char *ti_iodelay_pinctrl_get_group_name(struct pinctrl_dev + *pctldev, + unsigned gselector) +{ + struct ti_iodelay_device *iod; + struct device *dev; + struct ti_iodelay_pingroup *group; + + iod = pinctrl_dev_get_drvdata(pctldev); + dev = iod->dev; + + group = ti_iodelay_get_group(iod, gselector); + if (!group) + return NULL; + + return group->name; +} + +/** + * ti_iodelay_pinctrl_get_group_pins() - get group pins + * @pctldev: pinctrl device representing IODelay device + * @gselector: Group selector + * @pins: pointer to the pins + * @npins: number of pins + * + * Dummy implementation since we do not track pins, we track configurations + * Forced by pinctrl's pinctrl_check_ops() + * + * Return: -EINVAL + */ +static int ti_iodelay_pinctrl_get_group_pins(struct pinctrl_dev *pctldev, + unsigned gselector, + const unsigned **pins, + unsigned *npins) +{ + /* Dummy implementation - we dont do pin mux */ + return -EINVAL; +} + +/** + * ti_iodelay_pinconf_group_get() - Get the group configuration + * @pctldev: pinctrl device representing IODelay device + * @gselector: Group selector + * @config: configuration returned + * + * Return: The configuration if the group is valid, else returns -EINVAL + */ +static int ti_iodelay_pinconf_group_get(struct pinctrl_dev *pctldev, + unsigned gselector, + unsigned long *config) +{ + struct ti_iodelay_device *iod; + struct device *dev; + struct ti_iodelay_pingroup *group; + + iod = pinctrl_dev_get_drvdata(pctldev); + dev = iod->dev; + group = ti_iodelay_get_group(iod, gselector); + + if (!group) + return -EINVAL; + + *config = group->config; + return 0; +} + +/** + * ti_iodelay_pinconf_group_set() - Configure the groups of pins + * @pctldev: pinctrl device representing IODelay device + * @gselector: Group selector + * @configs: Configurations + * @num_configs: Number of configurations + * + * Return: 0 if all went fine, else appropriate error value. + */ +static int ti_iodelay_pinconf_group_set(struct pinctrl_dev *pctldev, + unsigned gselector, + unsigned long *configs, + unsigned num_configs) +{ + struct ti_iodelay_device *iod; + struct device *dev; + struct ti_iodelay_pingroup *group; + int i; + + iod = pinctrl_dev_get_drvdata(pctldev); + dev = iod->dev; + group = ti_iodelay_get_group(iod, gselector); + + if (num_configs != 1) { + dev_err(dev, "Unsupported number of configurations %d\n", + num_configs); + return -EINVAL; + } + + if (*configs != PIN_CONFIG_END) { + dev_err(dev, "Unsupported configuration\n"); + return -EINVAL; + } + + for (i = 0; i < group->nvals; i++) { + if (ti_iodelay_pinconf_set(iod, &group->vals[i])) + return -ENOTSUPP; + } + + return 0; +} + +#ifdef CONFIG_DEBUG_FS +/** + * ti_iodelay_pinconf_group_dbg_show() - show the group information + * @pctldev: Show the group information + * @s: Sequence file + * @gselector: group selector + * + * Provide the configuration information of the selected group + */ +static void ti_iodelay_pinconf_group_dbg_show(struct pinctrl_dev *pctldev, + struct seq_file *s, + unsigned gselector) +{ + struct ti_iodelay_device *iod; + struct device *dev; + struct ti_iodelay_pingroup *group; + int i; + + iod = pinctrl_dev_get_drvdata(pctldev); + dev = iod->dev; + group = ti_iodelay_get_group(iod, gselector); + if (!group) + return; + + for (i = 0; i < group->nvals; i++) { + struct ti_iodelay_conf_vals *val; + u32 reg = 0; + val = &group->vals[i]; + regmap_read(iod->regmap, val->offset, ®), + seq_printf(s, "\n\t0x%08x = 0x%08x (%3d, %3d)", + val->offset, reg, val->a_delay, val->g_delay); + } +} +#endif + +static struct pinctrl_ops ti_iodelay_pinctrl_ops = { + .dt_node_to_map = ti_iodelay_dt_node_to_map, + .dt_free_map = ti_iodelay_dt_free_map, + .get_groups_count = ti_iodelay_pinctrl_get_groups_count, + .get_group_name = ti_iodelay_pinctrl_get_group_name, + .get_group_pins = ti_iodelay_pinctrl_get_group_pins, +}; + +static struct pinconf_ops ti_iodelay_pinctrl_pinconf_ops = { + .pin_config_group_get = ti_iodelay_pinconf_group_get, + .pin_config_group_set = ti_iodelay_pinconf_group_set, +#ifdef CONFIG_DEBUG_FS + .pin_config_group_dbg_show = ti_iodelay_pinconf_group_dbg_show, +#endif +}; + +/** + * ti_iodelay_alloc_pins() - Allocate structures needed for pins for IOdelay + * @dev: device pointer + * @iod: IODelay device + * @base_phy: Base Physical Address + * + * Return: 0 if all went fine, else appropriate error value. + */ +static int ti_iodelay_alloc_pins(struct device *dev, + struct ti_iodelay_device *iod, u32 base_phy) +{ + const struct ti_iodelay_reg_data *r = iod->reg_data; + struct pinctrl_pin_desc *pin; + struct ti_iodelay_pin_name *pn; + u32 phy_reg; + int nr_pins, i; + + nr_pins = (r->regmap_config->max_register - r->reg_start_offset) / 4; + + dev_dbg(dev, "Allocating %i pins\n", nr_pins); + + iod->pa = devm_kzalloc(dev, sizeof(*iod->pa) * nr_pins, GFP_KERNEL); + if (!iod->pa) + return -ENOMEM; + + iod->names = + devm_kzalloc(dev, sizeof(struct ti_iodelay_pin_name) * nr_pins, + GFP_KERNEL); + if (!iod->names) + return -ENOMEM; + + iod->desc.pins = iod->pa; + iod->desc.npins = nr_pins; + + phy_reg = r->reg_start_offset + base_phy; + pn = iod->names; + for (i = 0; i < nr_pins; i++, pn++, phy_reg += 4) { + pin = &iod->pa[i]; + sprintf(pn->name, "%x.%d", phy_reg, i); + pin->number = i; + pin->name = pn->name; + } + + return 0; +} + +/** + * ti_iodelay_probe() - Standard probe + * @pdev: platform device + * + * Return: 0 if all went fine, else appropriate error value. + */ +static int ti_iodelay_probe(struct platform_device *pdev) +{ + struct device *dev = &pdev->dev; + struct device_node *np = of_node_get(dev->of_node); + const struct of_device_id *match; + struct resource *res; + struct ti_iodelay_device *iod; + int ret = 0; + + if (!np) { + ret = -EINVAL; + dev_err(dev, "No OF node\n"); + goto exit_out; + } + + match = of_match_device(ti_iodelay_of_match, dev); + if (!match) { + ret = -EINVAL; + dev_err(dev, "No DATA match\n"); + goto exit_out; + } + + iod = devm_kzalloc(dev, sizeof(*iod), GFP_KERNEL); + if (!iod) { + ret = -ENOMEM; + goto exit_out; + } + iod->dev = dev; + iod->reg_data = match->data; + + /* So far We can assume there is only 1 bank of registers */ + res = platform_get_resource(pdev, IORESOURCE_MEM, 0); + if (!res) { + dev_err(dev, "Missing MEM resource\n"); + ret = -ENODEV; + goto exit_out; + } + + iod->reg_base = devm_ioremap_resource(dev, res); + if (IS_ERR(iod->reg_base)) { + ret = PTR_ERR(iod->reg_base); + goto exit_out; + } + + iod->regmap = devm_regmap_init_mmio(dev, iod->reg_base, + iod->reg_data->regmap_config); + if (IS_ERR(iod->regmap)) { + dev_err(dev, "Regmap MMIO init failed.\n"); + ret = PTR_ERR(iod->regmap); + goto exit_out; + } + + if (ti_iodelay_pinconf_init_dev(iod)) + goto exit_out; + + ret = ti_iodelay_alloc_pins(dev, iod, res->start); + if (ret) + goto exit_out; + + INIT_LIST_HEAD(&iod->groups); + mutex_init(&iod->mutex); + + iod->desc.pctlops = &ti_iodelay_pinctrl_ops; + /* no pinmux ops - we are pinconf */ + iod->desc.confops = &ti_iodelay_pinctrl_pinconf_ops; + iod->desc.name = dev_name(dev); + iod->desc.owner = THIS_MODULE; + + iod->pctl = pinctrl_register(&iod->desc, dev, iod); + if (!iod->pctl) { + dev_err(dev, "Failed to register pinctrl\n"); + ret = -ENODEV; + goto exit_out; + } + + platform_set_drvdata(pdev, iod); + +exit_out: + of_node_put(np); + return ret; +} + +/** + * ti_iodelay_remove() - standard remove + * @pdev: platform device + * + * Return: 0 if all went fine, else appropriate error value. + */ +static int ti_iodelay_remove(struct platform_device *pdev) +{ + struct ti_iodelay_device *iod = platform_get_drvdata(pdev); + + if (!iod) + return 0; + if (iod->pctl) + pinctrl_unregister(iod->pctl); + + ti_iodelay_pinconf_deinit_dev(iod); + + /* Expect other allocations to be freed by devm */ + + return 0; +} + +static struct regmap_config dra7_iodelay_regmap_config = { + .reg_bits = 32, + .reg_stride = 4, + .val_bits = 32, + .max_register = 0xD1C, +}; + +static struct ti_iodelay_reg_data dra7_iodelay_data = { + .signature_mask = 0x0003F000, + .signature_value = 0x29, + .lock_mask = 0x00000400, + .lock_val = 1, + .unlock_val = 0, + .binary_data_coarse_mask = 0x000003E0, + .binary_data_fine_mask = 0x0000001F, + + .reg_refclk_offset = 0x14, + .refclk_period_mask = 0xFFFF, + + .reg_coarse_offset = 0x18, + .coarse_delay_count_mask = 0xFFFF0000, + .coarse_ref_count_mask = 0x0000FFFF, + + .reg_fine_offset = 0x1C, + .fine_delay_count_mask = 0xFFFF0000, + .fine_ref_count_mask = 0x0000FFFF, + + .reg_global_lock_offset = 0x2C, + .global_lock_mask = 0x0000FFFF, + .global_unlock_val = 0x0000AAAA, + .global_lock_val = 0x0000AAAB, + + .reg_start_offset = 0x30, + .regmap_config = &dra7_iodelay_regmap_config, +}; + +static struct of_device_id ti_iodelay_of_match[] = { + {.compatible = "ti,dra7-iodelay", .data = &dra7_iodelay_data}, + { /* Hopefully no more.. */ }, +}; +MODULE_DEVICE_TABLE(of, ti_iodelay_of_match); + +static struct platform_driver ti_iodelay_driver = { + .probe = ti_iodelay_probe, + .remove = ti_iodelay_remove, + .driver = { + .owner = THIS_MODULE, + .name = DRIVER_NAME, + .of_match_table = ti_iodelay_of_match, + }, +}; +module_platform_driver(ti_iodelay_driver); + +MODULE_AUTHOR("Texas Instruments, Inc."); +MODULE_DESCRIPTION("Pinconf driver for TI's IO Delay module"); +MODULE_LICENSE("GPL v2"); diff --git a/drivers/platform/x86/hp_accel.c b/drivers/platform/x86/hp_accel.c index 3dc934438c2..07fbcb0fb64 100644 --- a/drivers/platform/x86/hp_accel.c +++ b/drivers/platform/x86/hp_accel.c @@ -237,6 +237,7 @@ static struct dmi_system_id lis3lv02d_dmi_ids[] = { AXIS_DMI_MATCH("HPB64xx", "HP ProBook 64", xy_swap), AXIS_DMI_MATCH("HPB64xx", "HP EliteBook 84", xy_swap), AXIS_DMI_MATCH("HPB65xx", "HP ProBook 65", x_inverted), + AXIS_DMI_MATCH("HPZBook15", "HP ZBook 15", x_inverted), { NULL, } /* Laptop models without axis info (yet): * "NC6910" "HP Compaq 6910" diff --git a/drivers/power/Kconfig b/drivers/power/Kconfig index 5c4fe1670fc..8b07dc1aca5 100644 --- a/drivers/power/Kconfig +++ b/drivers/power/Kconfig @@ -395,3 +395,4 @@ endif # POWER_SUPPLY source "drivers/power/avs/Kconfig" source "drivers/power/voltdm/Kconfig" +source "drivers/power/coproc/Kconfig" diff --git a/drivers/power/Makefile b/drivers/power/Makefile index 3d47072191d..a76fa2a1eda 100644 --- a/drivers/power/Makefile +++ b/drivers/power/Makefile @@ -59,3 +59,4 @@ obj-$(CONFIG_CHARGER_SMB347) += smb347-charger.o obj-$(CONFIG_CHARGER_TPS65090) += tps65090-charger.o obj-$(CONFIG_POWER_RESET) += reset/ obj-$(CONFIG_VOLTAGE_DOMAIN) += voltdm/ +obj-$(CONFIG_TI_COPROC) += coproc/ diff --git a/drivers/power/coproc/Kconfig b/drivers/power/coproc/Kconfig new file mode 100644 index 00000000000..ec0e3076800 --- /dev/null +++ b/drivers/power/coproc/Kconfig @@ -0,0 +1,7 @@ +config TI_COPROC + tristate "TI Co-processor driversupport" + depends on VOLTAGE_DOMAIN_OMAP + help + TI Coprocessor driver helps initialize a coprocessor to + a particular Operating performance point. + diff --git a/drivers/power/coproc/Makefile b/drivers/power/coproc/Makefile new file mode 100644 index 00000000000..5e393a5f403 --- /dev/null +++ b/drivers/power/coproc/Makefile @@ -0,0 +1,2 @@ +#Texas Instruments co-processor init driver +obj-${CONFIG_TI_COPROC} += ti-coproc.o diff --git a/drivers/power/coproc/ti-coproc.c b/drivers/power/coproc/ti-coproc.c new file mode 100644 index 00000000000..3795d36e105 --- /dev/null +++ b/drivers/power/coproc/ti-coproc.c @@ -0,0 +1,229 @@ +/* + * OMAP SoC COPROC driver + * + * Copyright (C) 2014 Texas Instruments Incorporated - http://www.ti.com/ + * Carlos Hernandez <ceh@ti.com> + * Nishanth Menon <nm@ti.com> + * Ravikumar Kattekola <rk@ti.com> + * This program is free software; you can redistribute it and/or modify + * it under the terms of the GNU General Public License version 2 as + * published by the Free Software Foundation. + * + * This program is distributed "as is" WITHOUT ANY WARRANTY of any + * kind, whether express or implied; without even the implied warranty + * of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + * GNU General Public License for more details. + */ +#include <linux/io.h> +#include <linux/slab.h> +#include <linux/mutex.h> +#include <linux/suspend.h> +#include <linux/pm_opp.h> +#include <linux/of.h> +#include <linux/platform_device.h> +#include <linux/regulator/consumer.h> +#include <linux/module.h> +#include <linux/clk.h> +#include <linux/pm_voltage_domain.h> + +/** + * struct coproc_data - Co processor private data + * @profile: profile specific for this device + * @dev: device pointer + * @: for this device + * @stat: my current statistics + * @dev_clk: my device clk + * @dpll_clk: my dpll clk + * @nb: my notifier block + */ +struct coproc_data { + struct device *dev; + struct clk *dev_clk; + struct clk *dpll_clk; + struct notifier_block *clk_nb; +}; + +/** + * DOC: + * clock-names should be defined in dts file, e.g. + * coproc { + * + * compatible = "ti,coproc"; + * clocks = <&dpll_iva_m2_ck>, <&dpll_iva_ck>; + * clock-names = "fclk", "dpll"; + * clock-target-frequency = <532000000>; + * operating-points = < + * 388200 1055000 + * 500000 1150000 + * 532000 1250000 + * >; + * coproc-voltdm = <&voltdm_ivahd>; + * voltage-tolerance = <1>; + * + * }; + */ +#define DEV_CLK_NAME "fclk" +#define DPLL_CLK_NAME "dpll" + +static int coproc_probe(struct platform_device *pdev) +{ + struct coproc_data *d; + unsigned int voltage_latency; + u32 target_freq = 0; + int err = 0; + struct device *dev = &pdev->dev; + struct device_node *np = of_node_get(dev->of_node); + bool noset_dpll_as_rate; + + dev_info(dev, "probe\n"); + + of_property_read_u32(np, "clock-target-frequency", &target_freq); + if (!target_freq) { + dev_err(dev, "%s: Invalid/no target frequency found in dt.\n", + __func__); + return -EINVAL; + } + + noset_dpll_as_rate = of_property_read_bool(np, "noset-dpll-rate"); + + d = devm_kzalloc(dev, sizeof(*d), GFP_KERNEL); + if (d == NULL) { + dev_err(dev, "%s: Cannot allocate memory.\n", __func__); + err = -ENOMEM; + goto out; + } + platform_set_drvdata(pdev, d); + + d->dpll_clk = devm_clk_get(dev, DPLL_CLK_NAME); + if (IS_ERR(d->dpll_clk)) { + err = PTR_ERR(d->dpll_clk); + dev_err(dev, "%s: Cannot get dpll clk(%d).\n", __func__, err); + d->dpll_clk = NULL; + } + + d->dev_clk = devm_clk_get(dev, DEV_CLK_NAME); + if (IS_ERR(d->dev_clk)) { + err = PTR_ERR(d->dpll_clk); + dev_err(dev, "%s: Cannot get func clk(%d).\n", __func__, err); + goto out; + } + + if (noset_dpll_as_rate) + d->dpll_clk = NULL; + + err = of_init_opp_table(dev); + if (err) { + dev_err(dev, "%s: Cannot initialize opp table(%d).\n", __func__, + err); + goto out; + } + d->dev = dev; + + /* Register voltage domain notifier */ + d->clk_nb = of_pm_voltdm_notifier_register(dev, np, d->dev_clk, + "coproc", + &voltage_latency); + if (IS_ERR(d->clk_nb)) { + err = PTR_ERR(d->clk_nb); + /* defer probe if regulator is not yet registered */ + if (err == -EPROBE_DEFER) { + dev_err(dev, + "coproc clock notifier not ready, retry\n"); + } else { + dev_err(dev, + "Failed to register coproc clk notifier: %d\n", + err); + } + goto out; + } + + if (target_freq) { + if (d->dpll_clk) { + err = clk_set_rate(d->dpll_clk, target_freq); + if (err) { + dev_err(dev, "%s: Cannot set dpll clock rate(%d).\n", + __func__, err); + goto out; + } + } + + err = clk_set_rate(d->dev_clk, target_freq); + if (err) { + dev_err(dev, "%s: Cannot set func clock rate(%d).\n", + __func__, err); + goto out; + } + } + + /* All good.. */ + goto out; + +out: + dev_info(dev, "%s result=%d", __func__, err); + return err; +} + +static int coproc_remove(struct platform_device *pdev) +{ + struct coproc_data *d = platform_get_drvdata(pdev); + struct device *dev = &pdev->dev; + + dev_info(dev, "remove\n"); + + of_pm_voltdm_notifier_unregister(d->clk_nb); + + dev_info(dev, "%s Removed\n", __func__); + return 0; +} + +/** + * coproc_suspend() - dummy hook for suspend + * @dev: device pointer + * + * Return: 0 + */ +static int coproc_suspend(struct device *dev) +{ + dev_info(dev, "suspend\n"); + return 0; +} + +/** + * coproc_resume() - dummy hook for resume + * @dev: device pointer + * + * Return: 0 + */ +static int coproc_resume(struct device *dev) +{ + dev_info(dev, "resume\n"); + return 0; +} + +/* Device power management hooks */ +static SIMPLE_DEV_PM_OPS(coproc_pm, + coproc_suspend, + coproc_resume); + +static struct of_device_id of_coproc_match[] = { + {.compatible = "ti,coproc"}, + {}, +}; + +MODULE_DEVICE_TABLE(of, of_coproc_match); + +static struct platform_driver coproc_driver = { + .probe = coproc_probe, + .remove = coproc_remove, + .driver = { + .name = "coproc", + .owner = THIS_MODULE, + .of_match_table = of_match_ptr(of_coproc_match), + .pm = &coproc_pm, + }, +}; +module_platform_driver(coproc_driver); + +MODULE_LICENSE("GPL v2"); +MODULE_DESCRIPTION("OMAP Co-processor Driver"); +MODULE_AUTHOR("Texas Instruments Inc."); diff --git a/drivers/remoteproc/pruss_remoteproc.c b/drivers/remoteproc/pruss_remoteproc.c index abfe217cc16..d498ee3b534 100644 --- a/drivers/remoteproc/pruss_remoteproc.c +++ b/drivers/remoteproc/pruss_remoteproc.c @@ -126,16 +126,26 @@ enum pru_mem { }; /** - * struct pru_rproc_platform_data - PRU core platform data + * struct pru_private_data - PRU core private data * @id: PRU index * @fw_name: firmware name to be used for the PRU core */ -struct pru_rproc_platform_data { +struct pru_private_data { u32 id; const char *fw_name; }; /** + * struct pru_match_private_data - match private data to handle multiple instances + * @device_name: device name of the PRU processor core instance + * @priv_data: PRU driver private data for this PRU processor core instance + */ +struct pru_match_private_data { + const char *device_name; + struct pru_private_data *priv_data; +}; + +/** * struct pruss_private_data - PRUSS driver private data * @num_irqs: number of interrupts to MPU * @host_events: bit mask of PRU host interrupts that are routed to MPU @@ -765,13 +775,34 @@ static struct rproc_ops pru_rproc_ops = { .da_to_va = pru_da_to_va, }; +static const struct of_device_id pru_rproc_match[]; + +static const struct pru_private_data *pru_rproc_get_private_data( + struct platform_device *pdev) +{ + const struct pru_match_private_data *data; + const struct of_device_id *match; + + match = of_match_device(pru_rproc_match, &pdev->dev); + if (!match) + return ERR_PTR(-ENODEV); + + data = match->data; + for (; data && data->device_name; data++) { + if (!strcmp(dev_name(&pdev->dev), data->device_name)) + return data->priv_data; + } + + return NULL; +} + static int pru_rproc_probe(struct platform_device *pdev) { struct device *dev = &pdev->dev; struct device_node *np = dev->of_node; struct platform_device *ppdev = to_platform_device(dev->parent); struct pru_rproc *pru; - struct pru_rproc_platform_data *pdata = dev_get_platdata(dev); + const struct pru_private_data *pdata; struct rproc *rproc = NULL; struct mbox_client *client; struct resource *res; @@ -783,8 +814,9 @@ static int pru_rproc_probe(struct platform_device *pdev) return -ENODEV; } - if (!pdata || !pdata->fw_name) { - dev_err(dev, "platform data (PRU-private) missing\n"); + pdata = pru_rproc_get_private_data(pdev); + if (IS_ERR_OR_NULL(pdata) || !pdata->fw_name) { + dev_err(dev, "missing or incomplete PRU-private data\n"); return -ENODEV; } @@ -858,7 +890,7 @@ static int pru_rproc_probe(struct platform_device *pdev) ret = rproc_boot(pru->rproc); if (ret) { dev_err(dev, "rproc_boot failed\n"); - goto put_mbox; + goto del_rproc; } } @@ -869,6 +901,8 @@ static int pru_rproc_probe(struct platform_device *pdev) return 0; +del_rproc: + rproc_del(pru->rproc); put_mbox: mbox_free_channel(pru->mbox); free_rproc: @@ -884,6 +918,11 @@ static int pru_rproc_remove(struct platform_device *pdev) dev_info(dev, "%s: removing rproc %s\n", __func__, rproc->name); + if (list_empty(&pru->rproc->rvdevs)) { + dev_info(dev, "stopping the manually booted PRU core\n"); + rproc_shutdown(pru->rproc); + } + mbox_free_channel(pru->mbox); rproc_del(rproc); @@ -1096,7 +1135,7 @@ static int pru_rproc_unregister(struct device *dev, void *data) { struct platform_device *pdev = to_platform_device(dev); - platform_device_unregister(pdev); + of_device_unregister(pdev); return 0; } @@ -1118,73 +1157,113 @@ static int pruss_remove(struct platform_device *pdev) return 0; } -/* PRU0 core-specific platform data */ -static struct pru_rproc_platform_data pru0_rproc_pdata = { +/* PRU0 core-specific private data */ +static struct pru_private_data pru0_rproc_pdata = { .id = 0, .fw_name = "rproc-pru0-fw", }; -/* PRU1 core-specific platform data */ -static struct pru_rproc_platform_data pru1_rproc_pdata = { +/* PRU1 core-specific private data */ +static struct pru_private_data pru1_rproc_pdata = { .id = 1, .fw_name = "rproc-pru1-fw", }; -static struct pru_rproc_platform_data pru1_0_rproc_pdata = { +static struct pru_private_data pru1_0_rproc_pdata = { .id = 0, .fw_name = "am57xx-pru1_0-fw", }; -static struct pru_rproc_platform_data pru1_1_rproc_pdata = { +static struct pru_private_data pru1_1_rproc_pdata = { .id = 1, .fw_name = "am57xx-pru1_1-fw", }; -static struct pru_rproc_platform_data pru2_0_rproc_pdata = { +static struct pru_private_data pru2_0_rproc_pdata = { .id = 0, .fw_name = "am57xx-pru2_0-fw", }; -static struct pru_rproc_platform_data pru2_1_rproc_pdata = { +static struct pru_private_data pru2_1_rproc_pdata = { .id = 1, .fw_name = "am57xx-pru2_1-fw", }; /* platform data to be added when creating the PRU platform devices */ static struct of_dev_auxdata am335x_pru_rproc_auxdata_lookup[] = { - OF_DEV_AUXDATA("ti,pru-rproc", 0x4a334000, "4a334000.pru0", - &pru0_rproc_pdata), - OF_DEV_AUXDATA("ti,pru-rproc", 0x4a338000, "4a338000.pru1", - &pru1_rproc_pdata), + OF_DEV_AUXDATA("ti,pru-rproc", 0x4a334000, "4a334000.pru0", NULL), + OF_DEV_AUXDATA("ti,pru-rproc", 0x4a338000, "4a338000.pru1", NULL), { /* sentinel */ }, }; static struct of_dev_auxdata am4372_pru_rproc_auxdata_lookup[] = { - OF_DEV_AUXDATA("ti,pru-rproc", 0x54434000, "54434000.pru0", - &pru0_rproc_pdata), - OF_DEV_AUXDATA("ti,pru-rproc", 0x54438000, "54438000.pru1", - &pru1_rproc_pdata), + OF_DEV_AUXDATA("ti,pru-rproc", 0x54434000, "54434000.pru0", NULL), + OF_DEV_AUXDATA("ti,pru-rproc", 0x54438000, "54438000.pru1", NULL), { /* sentinel */ }, }; static struct of_dev_auxdata am5728_pruss1_rproc_auxdata_lookup[] = { - OF_DEV_AUXDATA("ti,pru-rproc", 0x4b234000, "4b234000.pru0", - &pru1_0_rproc_pdata), - OF_DEV_AUXDATA("ti,pru-rproc", 0x4b238000, "4b238000.pru1", - &pru1_1_rproc_pdata), + OF_DEV_AUXDATA("ti,pru-rproc", 0x4b234000, "4b234000.pru0", NULL), + OF_DEV_AUXDATA("ti,pru-rproc", 0x4b238000, "4b238000.pru1", NULL), { /* sentinel */ }, }; static struct of_dev_auxdata am5728_pruss2_rproc_auxdata_lookup[] = { - OF_DEV_AUXDATA("ti,pru-rproc", 0x4b2b4000, "4b2b4000.pru0", - &pru2_0_rproc_pdata), - OF_DEV_AUXDATA("ti,pru-rproc", 0x4b2b8000, "4b2b8000.pru1", - &pru2_1_rproc_pdata), + OF_DEV_AUXDATA("ti,pru-rproc", 0x4b2b4000, "4b2b4000.pru0", NULL), + OF_DEV_AUXDATA("ti,pru-rproc", 0x4b2b8000, "4b2b8000.pru1", NULL), { /* sentinel */ }, }; +/* + * A single match structure is used against a unified compatible + * string "ti,pru-rproc" as the addresses of the different PRU cores + * are unique across all the applicable SoCs. + * XXX: A SoC-specific compatible string is probably a better option + * for the future to allow more flexibility. + */ +static struct pru_match_private_data pru_match_data[] = { + /* AM33xx SoC-specific data */ + { + .device_name = "4a334000.pru0", + .priv_data = &pru0_rproc_pdata, + }, + { + .device_name = "4b280000.pru1", + .priv_data = &pru1_rproc_pdata, + }, + /* AM43xx SoC-specific data */ + { + .device_name = "54434000.pru0", + .priv_data = &pru0_rproc_pdata, + }, + { + .device_name = "54438000.pru1", + .priv_data = &pru1_rproc_pdata, + }, + /* AM57xx SoC-specific data */ + { + .device_name = "4b234000.pru0", + .priv_data = &pru1_0_rproc_pdata, + }, + { + .device_name = "4b238000.pru1", + .priv_data = &pru1_1_rproc_pdata, + }, + { + .device_name = "4b2b4000.pru0", + .priv_data = &pru2_0_rproc_pdata, + }, + { + .device_name = "4b2b8000.pru1", + .priv_data = &pru2_1_rproc_pdata, + }, + { + /* sentinel */ + }, +}; + static const struct of_device_id pru_rproc_match[] = { - { .compatible = "ti,pru-rproc", .data = NULL, }, + { .compatible = "ti,pru-rproc", .data = pru_match_data, }, {}, }; MODULE_DEVICE_TABLE(of, pru_rproc_match); diff --git a/drivers/s390/char/con3215.c b/drivers/s390/char/con3215.c index bb86494e2b7..19915c5b256 100644 --- a/drivers/s390/char/con3215.c +++ b/drivers/s390/char/con3215.c @@ -288,12 +288,16 @@ static void raw3215_timeout(unsigned long __data) unsigned long flags; spin_lock_irqsave(get_ccwdev_lock(raw->cdev), flags); - if (raw->flags & RAW3215_TIMER_RUNS) { - del_timer(&raw->timer); - raw->flags &= ~RAW3215_TIMER_RUNS; - if (!(raw->port.flags & ASYNC_SUSPENDED)) { - raw3215_mk_write_req(raw); - raw3215_start_io(raw); + raw->flags &= ~RAW3215_TIMER_RUNS; + if (!(raw->port.flags & ASYNC_SUSPENDED)) { + raw3215_mk_write_req(raw); + raw3215_start_io(raw); + if ((raw->queued_read || raw->queued_write) && + !(raw->flags & RAW3215_WORKING) && + !(raw->flags & RAW3215_TIMER_RUNS)) { + raw->timer.expires = RAW3215_TIMEOUT + jiffies; + add_timer(&raw->timer); + raw->flags |= RAW3215_TIMER_RUNS; } } spin_unlock_irqrestore(get_ccwdev_lock(raw->cdev), flags); @@ -317,17 +321,15 @@ static inline void raw3215_try_io(struct raw3215_info *raw) (raw->flags & RAW3215_FLUSHING)) { /* execute write requests bigger than minimum size */ raw3215_start_io(raw); - if (raw->flags & RAW3215_TIMER_RUNS) { - del_timer(&raw->timer); - raw->flags &= ~RAW3215_TIMER_RUNS; - } - } else if (!(raw->flags & RAW3215_TIMER_RUNS)) { - /* delay small writes */ - raw->timer.expires = RAW3215_TIMEOUT + jiffies; - add_timer(&raw->timer); - raw->flags |= RAW3215_TIMER_RUNS; } } + if ((raw->queued_read || raw->queued_write) && + !(raw->flags & RAW3215_WORKING) && + !(raw->flags & RAW3215_TIMER_RUNS)) { + raw->timer.expires = RAW3215_TIMEOUT + jiffies; + add_timer(&raw->timer); + raw->flags |= RAW3215_TIMER_RUNS; + } } /* @@ -1027,12 +1029,26 @@ static int tty3215_write(struct tty_struct * tty, const unsigned char *buf, int count) { struct raw3215_info *raw; + int i, written; if (!tty) return 0; raw = (struct raw3215_info *) tty->driver_data; - raw3215_write(raw, buf, count); - return count; + written = count; + while (count > 0) { + for (i = 0; i < count; i++) + if (buf[i] == '\t' || buf[i] == '\n') + break; + raw3215_write(raw, buf, i); + count -= i; + buf += i; + if (count > 0) { + raw3215_putchar(raw, *buf); + count--; + buf++; + } + } + return written; } /* @@ -1180,7 +1196,7 @@ static int __init tty3215_init(void) driver->subtype = SYSTEM_TYPE_TTY; driver->init_termios = tty_std_termios; driver->init_termios.c_iflag = IGNBRK | IGNPAR; - driver->init_termios.c_oflag = ONLCR | XTABS; + driver->init_termios.c_oflag = ONLCR; driver->init_termios.c_lflag = ISIG; driver->flags = TTY_DRIVER_REAL_RAW; tty_set_operations(driver, &tty3215_ops); diff --git a/drivers/s390/crypto/ap_bus.c b/drivers/s390/crypto/ap_bus.c index ab3baa7f950..86ade85481b 100644 --- a/drivers/s390/crypto/ap_bus.c +++ b/drivers/s390/crypto/ap_bus.c @@ -44,6 +44,7 @@ #include <linux/hrtimer.h> #include <linux/ktime.h> #include <asm/facility.h> +#include <linux/crypto.h> #include "ap_bus.h" @@ -71,7 +72,7 @@ MODULE_AUTHOR("IBM Corporation"); MODULE_DESCRIPTION("Adjunct Processor Bus driver, " \ "Copyright IBM Corp. 2006, 2012"); MODULE_LICENSE("GPL"); -MODULE_ALIAS("z90crypt"); +MODULE_ALIAS_CRYPTO("z90crypt"); /* * Module parameter diff --git a/drivers/scsi/ipr.c b/drivers/scsi/ipr.c index 3f5b56a9989..b4ddb7310e3 100644 --- a/drivers/scsi/ipr.c +++ b/drivers/scsi/ipr.c @@ -683,6 +683,7 @@ static void ipr_init_ipr_cmnd(struct ipr_cmnd *ipr_cmd, ipr_reinit_ipr_cmnd(ipr_cmd); ipr_cmd->u.scratch = 0; ipr_cmd->sibling = NULL; + ipr_cmd->eh_comp = NULL; ipr_cmd->fast_done = fast_done; init_timer(&ipr_cmd->timer); } @@ -848,6 +849,8 @@ static void ipr_scsi_eh_done(struct ipr_cmnd *ipr_cmd) scsi_dma_unmap(ipr_cmd->scsi_cmd); scsi_cmd->scsi_done(scsi_cmd); + if (ipr_cmd->eh_comp) + complete(ipr_cmd->eh_comp); list_add_tail(&ipr_cmd->queue, &ipr_cmd->hrrq->hrrq_free_q); } @@ -4805,6 +4808,84 @@ static int ipr_slave_alloc(struct scsi_device *sdev) return rc; } +/** + * ipr_match_lun - Match function for specified LUN + * @ipr_cmd: ipr command struct + * @device: device to match (sdev) + * + * Returns: + * 1 if command matches sdev / 0 if command does not match sdev + **/ +static int ipr_match_lun(struct ipr_cmnd *ipr_cmd, void *device) +{ + if (ipr_cmd->scsi_cmd && ipr_cmd->scsi_cmd->device == device) + return 1; + return 0; +} + +/** + * ipr_wait_for_ops - Wait for matching commands to complete + * @ipr_cmd: ipr command struct + * @device: device to match (sdev) + * @match: match function to use + * + * Returns: + * SUCCESS / FAILED + **/ +static int ipr_wait_for_ops(struct ipr_ioa_cfg *ioa_cfg, void *device, + int (*match)(struct ipr_cmnd *, void *)) +{ + struct ipr_cmnd *ipr_cmd; + int wait; + unsigned long flags; + struct ipr_hrr_queue *hrrq; + signed long timeout = IPR_ABORT_TASK_TIMEOUT; + DECLARE_COMPLETION_ONSTACK(comp); + + ENTER; + do { + wait = 0; + + for_each_hrrq(hrrq, ioa_cfg) { + spin_lock_irqsave(hrrq->lock, flags); + list_for_each_entry(ipr_cmd, &hrrq->hrrq_pending_q, queue) { + if (match(ipr_cmd, device)) { + ipr_cmd->eh_comp = ∁ + wait++; + } + } + spin_unlock_irqrestore(hrrq->lock, flags); + } + + if (wait) { + timeout = wait_for_completion_timeout(&comp, timeout); + + if (!timeout) { + wait = 0; + + for_each_hrrq(hrrq, ioa_cfg) { + spin_lock_irqsave(hrrq->lock, flags); + list_for_each_entry(ipr_cmd, &hrrq->hrrq_pending_q, queue) { + if (match(ipr_cmd, device)) { + ipr_cmd->eh_comp = NULL; + wait++; + } + } + spin_unlock_irqrestore(hrrq->lock, flags); + } + + if (wait) + dev_err(&ioa_cfg->pdev->dev, "Timed out waiting for aborted commands\n"); + LEAVE; + return wait ? FAILED : SUCCESS; + } + } + } while (wait); + + LEAVE; + return SUCCESS; +} + static int ipr_eh_host_reset(struct scsi_cmnd *cmd) { struct ipr_ioa_cfg *ioa_cfg; @@ -5023,11 +5104,17 @@ static int __ipr_eh_dev_reset(struct scsi_cmnd *scsi_cmd) static int ipr_eh_dev_reset(struct scsi_cmnd *cmd) { int rc; + struct ipr_ioa_cfg *ioa_cfg; + + ioa_cfg = (struct ipr_ioa_cfg *) cmd->device->host->hostdata; spin_lock_irq(cmd->device->host->host_lock); rc = __ipr_eh_dev_reset(cmd); spin_unlock_irq(cmd->device->host->host_lock); + if (rc == SUCCESS) + rc = ipr_wait_for_ops(ioa_cfg, cmd->device, ipr_match_lun); + return rc; } @@ -5205,13 +5292,18 @@ static int ipr_eh_abort(struct scsi_cmnd *scsi_cmd) { unsigned long flags; int rc; + struct ipr_ioa_cfg *ioa_cfg; ENTER; + ioa_cfg = (struct ipr_ioa_cfg *) scsi_cmd->device->host->hostdata; + spin_lock_irqsave(scsi_cmd->device->host->host_lock, flags); rc = ipr_cancel_op(scsi_cmd); spin_unlock_irqrestore(scsi_cmd->device->host->host_lock, flags); + if (rc == SUCCESS) + rc = ipr_wait_for_ops(ioa_cfg, scsi_cmd->device, ipr_match_lun); LEAVE; return rc; } diff --git a/drivers/scsi/ipr.h b/drivers/scsi/ipr.h index 9ce38a22647..0801f3df4b2 100644 --- a/drivers/scsi/ipr.h +++ b/drivers/scsi/ipr.h @@ -1585,6 +1585,7 @@ struct ipr_cmnd { struct scsi_device *sdev; } u; + struct completion *eh_comp; struct ipr_hrr_queue *hrrq; struct ipr_ioa_cfg *ioa_cfg; }; diff --git a/drivers/scsi/mpt2sas/mpt2sas_transport.c b/drivers/scsi/mpt2sas/mpt2sas_transport.c index 410f4a3e888..72f9c55d0e0 100644 --- a/drivers/scsi/mpt2sas/mpt2sas_transport.c +++ b/drivers/scsi/mpt2sas/mpt2sas_transport.c @@ -1006,12 +1006,9 @@ mpt2sas_transport_update_links(struct MPT2SAS_ADAPTER *ioc, &mpt2sas_phy->remote_identify); _transport_add_phy_to_an_existing_port(ioc, sas_node, mpt2sas_phy, mpt2sas_phy->remote_identify.sas_address); - } else { + } else memset(&mpt2sas_phy->remote_identify, 0 , sizeof(struct sas_identify)); - _transport_del_phy_from_an_existing_port(ioc, sas_node, - mpt2sas_phy); - } if (mpt2sas_phy->phy) mpt2sas_phy->phy->negotiated_linkrate = diff --git a/drivers/scsi/mpt3sas/mpt3sas_transport.c b/drivers/scsi/mpt3sas/mpt3sas_transport.c index 65170cb1a00..55aa597eb22 100644 --- a/drivers/scsi/mpt3sas/mpt3sas_transport.c +++ b/drivers/scsi/mpt3sas/mpt3sas_transport.c @@ -1003,12 +1003,9 @@ mpt3sas_transport_update_links(struct MPT3SAS_ADAPTER *ioc, &mpt3sas_phy->remote_identify); _transport_add_phy_to_an_existing_port(ioc, sas_node, mpt3sas_phy, mpt3sas_phy->remote_identify.sas_address); - } else { + } else memset(&mpt3sas_phy->remote_identify, 0 , sizeof(struct sas_identify)); - _transport_del_phy_from_an_existing_port(ioc, sas_node, - mpt3sas_phy); - } if (mpt3sas_phy->phy) mpt3sas_phy->phy->negotiated_linkrate = diff --git a/drivers/scsi/scsi_devinfo.c b/drivers/scsi/scsi_devinfo.c index c1d04d4d3c6..262ab837a70 100644 --- a/drivers/scsi/scsi_devinfo.c +++ b/drivers/scsi/scsi_devinfo.c @@ -211,6 +211,7 @@ static struct { {"Medion", "Flash XL MMC/SD", "2.6D", BLIST_FORCELUN}, {"MegaRAID", "LD", NULL, BLIST_FORCELUN}, {"MICROP", "4110", NULL, BLIST_NOTQ}, + {"MSFT", "Virtual HD", NULL, BLIST_NO_RSOC}, {"MYLEX", "DACARMRB", "*", BLIST_REPORTLUN2}, {"nCipher", "Fastness Crypto", NULL, BLIST_FORCELUN}, {"NAKAMICH", "MJ-4.8S", NULL, BLIST_FORCELUN | BLIST_SINGLELUN}, diff --git a/drivers/scsi/storvsc_drv.c b/drivers/scsi/storvsc_drv.c index ed0f899e8aa..86b05151fda 100644 --- a/drivers/scsi/storvsc_drv.c +++ b/drivers/scsi/storvsc_drv.c @@ -1690,13 +1690,12 @@ static int storvsc_queuecommand(struct Scsi_Host *host, struct scsi_cmnd *scmnd) if (ret == -EAGAIN) { /* no more space */ - if (cmd_request->bounce_sgl_count) { + if (cmd_request->bounce_sgl_count) destroy_bounce_buffer(cmd_request->bounce_sgl, cmd_request->bounce_sgl_count); - ret = SCSI_MLQUEUE_DEVICE_BUSY; - goto queue_error; - } + ret = SCSI_MLQUEUE_DEVICE_BUSY; + goto queue_error; } return 0; diff --git a/drivers/target/iscsi/iscsi_target_login.c b/drivers/target/iscsi/iscsi_target_login.c index d509aa74cfa..c5d3811a7b8 100644 --- a/drivers/target/iscsi/iscsi_target_login.c +++ b/drivers/target/iscsi/iscsi_target_login.c @@ -1186,6 +1186,9 @@ old_sess_out: conn->sock = NULL; } + if (conn->conn_transport->iscsit_wait_conn) + conn->conn_transport->iscsit_wait_conn(conn); + if (conn->conn_transport->iscsit_free_conn) conn->conn_transport->iscsit_free_conn(conn); diff --git a/drivers/target/iscsi/iscsi_target_util.c b/drivers/target/iscsi/iscsi_target_util.c index ab77f80ead2..1e406af4ee4 100644 --- a/drivers/target/iscsi/iscsi_target_util.c +++ b/drivers/target/iscsi/iscsi_target_util.c @@ -1356,15 +1356,15 @@ static int iscsit_do_tx_data( struct iscsi_conn *conn, struct iscsi_data_count *count) { - int data = count->data_length, total_tx = 0, tx_loop = 0, iov_len; + int ret, iov_len; struct kvec *iov_p; struct msghdr msg; if (!conn || !conn->sock || !conn->conn_ops) return -1; - if (data <= 0) { - pr_err("Data length is: %d\n", data); + if (count->data_length <= 0) { + pr_err("Data length is: %d\n", count->data_length); return -1; } @@ -1373,20 +1373,16 @@ static int iscsit_do_tx_data( iov_p = count->iov; iov_len = count->iov_count; - while (total_tx < data) { - tx_loop = kernel_sendmsg(conn->sock, &msg, iov_p, iov_len, - (data - total_tx)); - if (tx_loop <= 0) { - pr_debug("tx_loop: %d total_tx %d\n", - tx_loop, total_tx); - return tx_loop; - } - total_tx += tx_loop; - pr_debug("tx_loop: %d, total_tx: %d, data: %d\n", - tx_loop, total_tx, data); + ret = kernel_sendmsg(conn->sock, &msg, iov_p, iov_len, + count->data_length); + if (ret != count->data_length) { + pr_err("Unexpected ret: %d send data %d\n", + ret, count->data_length); + return -EPIPE; } + pr_debug("ret: %d, sent data: %d\n", ret, count->data_length); - return total_tx; + return ret; } int rx_data( diff --git a/drivers/target/loopback/tcm_loop.c b/drivers/target/loopback/tcm_loop.c index fadad7c5f63..67c802c93ef 100644 --- a/drivers/target/loopback/tcm_loop.c +++ b/drivers/target/loopback/tcm_loop.c @@ -153,18 +153,11 @@ static int tcm_loop_change_queue_type(struct scsi_device *sdev, int tag) /* * Locate the SAM Task Attr from struct scsi_cmnd * */ -static int tcm_loop_sam_attr(struct scsi_cmnd *sc) -{ - if (sc->device->tagged_supported) { - switch (sc->tag) { - case HEAD_OF_QUEUE_TAG: - return MSG_HEAD_TAG; - case ORDERED_QUEUE_TAG: - return MSG_ORDERED_TAG; - default: - break; - } - } +static int tcm_loop_sam_attr(struct scsi_cmnd *sc, int tag) +{ + if (sc->device->tagged_supported && + sc->device->ordered_tags && tag >= 0) + return MSG_ORDERED_TAG; return MSG_SIMPLE_TAG; } @@ -197,7 +190,7 @@ static void tcm_loop_submission_work(struct work_struct *work) set_host_byte(sc, DID_TRANSPORT_DISRUPTED); goto out_done; } - tl_nexus = tl_hba->tl_nexus; + tl_nexus = tl_tpg->tl_nexus; if (!tl_nexus) { scmd_printk(KERN_ERR, sc, "TCM_Loop I_T Nexus" " does not exist\n"); @@ -214,7 +207,7 @@ static void tcm_loop_submission_work(struct work_struct *work) } rc = target_submit_cmd_map_sgls(se_cmd, tl_nexus->se_sess, sc->cmnd, &tl_cmd->tl_sense_buf[0], tl_cmd->sc->device->lun, - scsi_bufflen(sc), tcm_loop_sam_attr(sc), + scsi_bufflen(sc), tcm_loop_sam_attr(sc, tl_cmd->sc_cmd_tag), sc->sc_data_direction, 0, scsi_sglist(sc), scsi_sg_count(sc), sgl_bidi, sgl_bidi_count, @@ -252,7 +245,7 @@ static int tcm_loop_queuecommand(struct Scsi_Host *sh, struct scsi_cmnd *sc) } tl_cmd->sc = sc; - tl_cmd->sc_cmd_tag = sc->tag; + tl_cmd->sc_cmd_tag = sc->request->tag; INIT_WORK(&tl_cmd->work, tcm_loop_submission_work); queue_work(tcm_loop_workqueue, &tl_cmd->work); return 0; @@ -263,16 +256,26 @@ static int tcm_loop_queuecommand(struct Scsi_Host *sh, struct scsi_cmnd *sc) * to struct scsi_device */ static int tcm_loop_issue_tmr(struct tcm_loop_tpg *tl_tpg, - struct tcm_loop_nexus *tl_nexus, int lun, int task, enum tcm_tmreq_table tmr) { struct se_cmd *se_cmd = NULL; struct se_session *se_sess; struct se_portal_group *se_tpg; + struct tcm_loop_nexus *tl_nexus; struct tcm_loop_cmd *tl_cmd = NULL; struct tcm_loop_tmr *tl_tmr = NULL; int ret = TMR_FUNCTION_FAILED, rc; + /* + * Locate the tl_nexus and se_sess pointers + */ + tl_nexus = tl_tpg->tl_nexus; + if (!tl_nexus) { + pr_err("Unable to perform device reset without" + " active I_T Nexus\n"); + return ret; + } + tl_cmd = kmem_cache_zalloc(tcm_loop_cmd_cache, GFP_KERNEL); if (!tl_cmd) { pr_err("Unable to allocate memory for tl_cmd\n"); @@ -288,7 +291,7 @@ static int tcm_loop_issue_tmr(struct tcm_loop_tpg *tl_tpg, se_cmd = &tl_cmd->tl_se_cmd; se_tpg = &tl_tpg->tl_se_tpg; - se_sess = tl_nexus->se_sess; + se_sess = tl_tpg->tl_nexus->se_sess; /* * Initialize struct se_cmd descriptor from target_core_mod infrastructure */ @@ -333,7 +336,6 @@ release: static int tcm_loop_abort_task(struct scsi_cmnd *sc) { struct tcm_loop_hba *tl_hba; - struct tcm_loop_nexus *tl_nexus; struct tcm_loop_tpg *tl_tpg; int ret = FAILED; @@ -341,22 +343,9 @@ static int tcm_loop_abort_task(struct scsi_cmnd *sc) * Locate the tcm_loop_hba_t pointer */ tl_hba = *(struct tcm_loop_hba **)shost_priv(sc->device->host); - /* - * Locate the tl_nexus and se_sess pointers - */ - tl_nexus = tl_hba->tl_nexus; - if (!tl_nexus) { - pr_err("Unable to perform device reset without" - " active I_T Nexus\n"); - return FAILED; - } - - /* - * Locate the tl_tpg pointer from TargetID in sc->device->id - */ tl_tpg = &tl_hba->tl_hba_tpgs[sc->device->id]; - ret = tcm_loop_issue_tmr(tl_tpg, tl_nexus, sc->device->lun, - sc->tag, TMR_ABORT_TASK); + ret = tcm_loop_issue_tmr(tl_tpg, sc->device->lun, + sc->request->tag, TMR_ABORT_TASK); return (ret == TMR_FUNCTION_COMPLETE) ? SUCCESS : FAILED; } @@ -367,7 +356,6 @@ static int tcm_loop_abort_task(struct scsi_cmnd *sc) static int tcm_loop_device_reset(struct scsi_cmnd *sc) { struct tcm_loop_hba *tl_hba; - struct tcm_loop_nexus *tl_nexus; struct tcm_loop_tpg *tl_tpg; int ret = FAILED; @@ -375,20 +363,9 @@ static int tcm_loop_device_reset(struct scsi_cmnd *sc) * Locate the tcm_loop_hba_t pointer */ tl_hba = *(struct tcm_loop_hba **)shost_priv(sc->device->host); - /* - * Locate the tl_nexus and se_sess pointers - */ - tl_nexus = tl_hba->tl_nexus; - if (!tl_nexus) { - pr_err("Unable to perform device reset without" - " active I_T Nexus\n"); - return FAILED; - } - /* - * Locate the tl_tpg pointer from TargetID in sc->device->id - */ tl_tpg = &tl_hba->tl_hba_tpgs[sc->device->id]; - ret = tcm_loop_issue_tmr(tl_tpg, tl_nexus, sc->device->lun, + + ret = tcm_loop_issue_tmr(tl_tpg, sc->device->lun, 0, TMR_LUN_RESET); return (ret == TMR_FUNCTION_COMPLETE) ? SUCCESS : FAILED; } @@ -995,8 +972,8 @@ static int tcm_loop_make_nexus( struct tcm_loop_nexus *tl_nexus; int ret = -ENOMEM; - if (tl_tpg->tl_hba->tl_nexus) { - pr_debug("tl_tpg->tl_hba->tl_nexus already exists\n"); + if (tl_tpg->tl_nexus) { + pr_debug("tl_tpg->tl_nexus already exists\n"); return -EEXIST; } se_tpg = &tl_tpg->tl_se_tpg; @@ -1031,7 +1008,7 @@ static int tcm_loop_make_nexus( */ __transport_register_session(se_tpg, tl_nexus->se_sess->se_node_acl, tl_nexus->se_sess, tl_nexus); - tl_tpg->tl_hba->tl_nexus = tl_nexus; + tl_tpg->tl_nexus = tl_nexus; pr_debug("TCM_Loop_ConfigFS: Established I_T Nexus to emulated" " %s Initiator Port: %s\n", tcm_loop_dump_proto_id(tl_hba), name); @@ -1047,12 +1024,8 @@ static int tcm_loop_drop_nexus( { struct se_session *se_sess; struct tcm_loop_nexus *tl_nexus; - struct tcm_loop_hba *tl_hba = tpg->tl_hba; - if (!tl_hba) - return -ENODEV; - - tl_nexus = tl_hba->tl_nexus; + tl_nexus = tpg->tl_nexus; if (!tl_nexus) return -ENODEV; @@ -1068,13 +1041,13 @@ static int tcm_loop_drop_nexus( } pr_debug("TCM_Loop_ConfigFS: Removing I_T Nexus to emulated" - " %s Initiator Port: %s\n", tcm_loop_dump_proto_id(tl_hba), + " %s Initiator Port: %s\n", tcm_loop_dump_proto_id(tpg->tl_hba), tl_nexus->se_sess->se_node_acl->initiatorname); /* * Release the SCSI I_T Nexus to the emulated SAS Target Port */ transport_deregister_session(tl_nexus->se_sess); - tpg->tl_hba->tl_nexus = NULL; + tpg->tl_nexus = NULL; kfree(tl_nexus); return 0; } @@ -1090,7 +1063,7 @@ static ssize_t tcm_loop_tpg_show_nexus( struct tcm_loop_nexus *tl_nexus; ssize_t ret; - tl_nexus = tl_tpg->tl_hba->tl_nexus; + tl_nexus = tl_tpg->tl_nexus; if (!tl_nexus) return -ENODEV; diff --git a/drivers/target/loopback/tcm_loop.h b/drivers/target/loopback/tcm_loop.h index 54c59d0b660..6ae49f272ba 100644 --- a/drivers/target/loopback/tcm_loop.h +++ b/drivers/target/loopback/tcm_loop.h @@ -27,11 +27,6 @@ struct tcm_loop_tmr { }; struct tcm_loop_nexus { - int it_nexus_active; - /* - * Pointer to Linux/SCSI HBA from linux/include/scsi_host.h - */ - struct scsi_host *sh; /* * Pointer to TCM session for I_T Nexus */ @@ -51,6 +46,7 @@ struct tcm_loop_tpg { atomic_t tl_tpg_port_count; struct se_portal_group tl_se_tpg; struct tcm_loop_hba *tl_hba; + struct tcm_loop_nexus *tl_nexus; }; struct tcm_loop_hba { @@ -59,7 +55,6 @@ struct tcm_loop_hba { struct se_hba_s *se_hba; struct se_lun *tl_hba_lun; struct se_port *tl_hba_lun_sep; - struct tcm_loop_nexus *tl_nexus; struct device dev; struct Scsi_Host *sh; struct tcm_loop_tpg tl_hba_tpgs[TL_TPGS_PER_HBA]; diff --git a/drivers/thermal/intel_powerclamp.c b/drivers/thermal/intel_powerclamp.c index a084325f138..6e75177915f 100644 --- a/drivers/thermal/intel_powerclamp.c +++ b/drivers/thermal/intel_powerclamp.c @@ -435,7 +435,6 @@ static int clamp_thread(void *arg) * allowed. thus jiffies are updated properly. */ preempt_disable(); - tick_nohz_idle_enter(); /* mwait until target jiffies is reached */ while (time_before(jiffies, target_jiffies)) { unsigned long ecx = 1; @@ -451,7 +450,6 @@ static int clamp_thread(void *arg) start_critical_timings(); atomic_inc(&idle_wakeup_counter); } - tick_nohz_idle_exit(); preempt_enable(); } del_timer_sync(&wakeup_timer); diff --git a/drivers/tty/n_tty.c b/drivers/tty/n_tty.c index d46b4ccec8c..850e232d086 100644 --- a/drivers/tty/n_tty.c +++ b/drivers/tty/n_tty.c @@ -2417,12 +2417,17 @@ static unsigned int n_tty_poll(struct tty_struct *tty, struct file *file, poll_wait(file, &tty->read_wait, wait); poll_wait(file, &tty->write_wait, wait); + if (test_bit(TTY_OTHER_CLOSED, &tty->flags)) + mask |= POLLHUP; if (input_available_p(tty, 1)) mask |= POLLIN | POLLRDNORM; + else if (mask & POLLHUP) { + tty_flush_to_ldisc(tty); + if (input_available_p(tty, 1)) + mask |= POLLIN | POLLRDNORM; + } if (tty->packet && tty->link->ctrl_status) mask |= POLLPRI | POLLIN | POLLRDNORM; - if (test_bit(TTY_OTHER_CLOSED, &tty->flags)) - mask |= POLLHUP; if (tty_hung_up_p(file)) mask |= POLLHUP; if (!(mask & (POLLHUP | POLLIN | POLLRDNORM))) { diff --git a/drivers/usb/dwc3/debugfs.c b/drivers/usb/dwc3/debugfs.c index 9ac37fe1b6a..0cc5a015451 100644 --- a/drivers/usb/dwc3/debugfs.c +++ b/drivers/usb/dwc3/debugfs.c @@ -27,6 +27,7 @@ #include <linux/uaccess.h> #include <linux/usb/ch9.h> +#include <linux/usb/drd.h> #include "core.h" #include "gadget.h" @@ -412,7 +413,15 @@ static ssize_t dwc3_mode_write(struct file *file, if (mode) { spin_lock_irqsave(&dwc->lock, flags); - dwc3_set_mode(dwc, mode); + if (mode & DWC3_GCTL_PRTCAP_HOST) { + dwc3_omap_usbvbus_id_handler(dwc->dev->parent, + OMAP_DWC3_ID_GROUND); + mode = 0; + } else if (mode & DWC3_GCTL_PRTCAP_DEVICE) { + dwc3_omap_usbvbus_id_handler(dwc->dev->parent, + OMAP_DWC3_VBUS_VALID); + mode = 1; + } spin_unlock_irqrestore(&dwc->lock, flags); } return count; diff --git a/drivers/usb/dwc3/dwc3-omap.c b/drivers/usb/dwc3/dwc3-omap.c index 4ccdef7333c..96b4c46cbbd 100644 --- a/drivers/usb/dwc3/dwc3-omap.c +++ b/drivers/usb/dwc3/dwc3-omap.c @@ -32,6 +32,7 @@ #include <linux/regulator/consumer.h> #include <linux/usb/otg.h> +#include <linux/usb/drd.h> /* * All these registers belong to OMAP's Wrapper around the @@ -137,13 +138,6 @@ struct dwc3_omap { struct regulator *vbus_reg; }; -enum omap_dwc3_vbus_id_status { - OMAP_DWC3_ID_FLOAT, - OMAP_DWC3_ID_GROUND, - OMAP_DWC3_VBUS_OFF, - OMAP_DWC3_VBUS_VALID, -}; - static inline u32 dwc3_omap_readl(void __iomem *base, u32 offset) { return readl(base + offset); @@ -278,6 +272,28 @@ static void dwc3_omap_set_mailbox(struct dwc3_omap *omap, } } +int dwc3_omap_usbvbus_id_handler(struct device *dev, + enum omap_dwc3_vbus_id_status status) +{ + struct dwc3_omap *omap; + struct platform_device *pdev; + + if (!dev) + return -ENODEV; + + dev_dbg(omap->dev, "VBUS Connect\n"); + + pdev = to_platform_device(dev); + omap = platform_get_drvdata(pdev); + if (!omap) + return -ENODEV; + + dwc3_omap_set_mailbox(omap, status); + + return 0; +} +EXPORT_SYMBOL(dwc3_omap_usbvbus_id_handler); + static irqreturn_t dwc3_omap_interrupt(int irq, void *_omap) { struct dwc3_omap *omap = _omap; diff --git a/drivers/usb/dwc3/gadget.c b/drivers/usb/dwc3/gadget.c index 40a513791f8..70708395c79 100644 --- a/drivers/usb/dwc3/gadget.c +++ b/drivers/usb/dwc3/gadget.c @@ -967,8 +967,7 @@ static void dwc3_prepare_trbs(struct dwc3_ep *dep, bool starting) if (i == (request->num_mapped_sgs - 1) || sg_is_last(s)) { - if (list_is_last(&req->list, - &dep->request_list)) + if (list_empty(&dep->request_list)) last_one = true; chain = false; } @@ -986,6 +985,9 @@ static void dwc3_prepare_trbs(struct dwc3_ep *dep, bool starting) if (last_one) break; } + + if (last_one) + break; } else { dma = req->request.dma; length = req->request.length; diff --git a/drivers/usb/host/ehci-sched.c b/drivers/usb/host/ehci-sched.c index e113fd73aea..c399606f154 100644 --- a/drivers/usb/host/ehci-sched.c +++ b/drivers/usb/host/ehci-sched.c @@ -1581,6 +1581,10 @@ iso_stream_schedule ( else next = (now + 2 + 7) & ~0x07; /* full frame cache */ + /* If needed, initialize last_iso_frame so that this URB will be seen */ + if (ehci->isoc_count == 0) + ehci->last_iso_frame = now >> 3; + /* * Use ehci->last_iso_frame as the base. There can't be any * TDs scheduled for earlier than that. @@ -1671,10 +1675,6 @@ iso_stream_schedule ( urb->start_frame = start & (mod - 1); if (!stream->highspeed) urb->start_frame >>= 3; - - /* Make sure scan_isoc() sees these */ - if (ehci->isoc_count == 0) - ehci->last_iso_frame = now >> 3; return status; fail: diff --git a/drivers/usb/host/pci-quirks.c b/drivers/usb/host/pci-quirks.c index 2f3acebb577..f4e6b945136 100644 --- a/drivers/usb/host/pci-quirks.c +++ b/drivers/usb/host/pci-quirks.c @@ -571,7 +571,8 @@ static void quirk_usb_handoff_ohci(struct pci_dev *pdev) { void __iomem *base; u32 control; - u32 fminterval; + u32 fminterval = 0; + bool no_fminterval = false; int cnt; if (!mmio_resource_enabled(pdev, 0)) @@ -581,6 +582,13 @@ static void quirk_usb_handoff_ohci(struct pci_dev *pdev) if (base == NULL) return; + /* + * ULi M5237 OHCI controller locks the whole system when accessing + * the OHCI_FMINTERVAL offset. + */ + if (pdev->vendor == PCI_VENDOR_ID_AL && pdev->device == 0x5237) + no_fminterval = true; + control = readl(base + OHCI_CONTROL); /* On PA-RISC, PDC can leave IR set incorrectly; ignore it there. */ @@ -619,7 +627,9 @@ static void quirk_usb_handoff_ohci(struct pci_dev *pdev) } /* software reset of the controller, preserving HcFmInterval */ - fminterval = readl(base + OHCI_FMINTERVAL); + if (!no_fminterval) + fminterval = readl(base + OHCI_FMINTERVAL); + writel(OHCI_HCR, base + OHCI_CMDSTATUS); /* reset requires max 10 us delay */ @@ -628,7 +638,9 @@ static void quirk_usb_handoff_ohci(struct pci_dev *pdev) break; udelay(1); } - writel(fminterval, base + OHCI_FMINTERVAL); + + if (!no_fminterval) + writel(fminterval, base + OHCI_FMINTERVAL); /* Now the controller is safely in SUSPEND and nothing can wake it up */ iounmap(base); diff --git a/drivers/usb/serial/console.c b/drivers/usb/serial/console.c index 8d7fc48b1f3..29fa1c3d008 100644 --- a/drivers/usb/serial/console.c +++ b/drivers/usb/serial/console.c @@ -46,6 +46,8 @@ static struct console usbcons; * ------------------------------------------------------------ */ +static const struct tty_operations usb_console_fake_tty_ops = { +}; /* * The parsing of the command line works exactly like the @@ -137,13 +139,17 @@ static int usb_console_setup(struct console *co, char *options) goto reset_open_count; } kref_init(&tty->kref); - tty_port_tty_set(&port->port, tty); tty->driver = usb_serial_tty_driver; tty->index = co->index; + init_ldsem(&tty->ldisc_sem); + INIT_LIST_HEAD(&tty->tty_files); + kref_get(&tty->driver->kref); + tty->ops = &usb_console_fake_tty_ops; if (tty_init_termios(tty)) { retval = -ENOMEM; - goto free_tty; + goto put_tty; } + tty_port_tty_set(&port->port, tty); } /* only call the device specific open if this @@ -161,7 +167,7 @@ static int usb_console_setup(struct console *co, char *options) serial->type->set_termios(tty, port, &dummy); tty_port_tty_set(&port->port, NULL); - kfree(tty); + tty_kref_put(tty); } set_bit(ASYNCB_INITIALIZED, &port->port.flags); } @@ -177,8 +183,8 @@ static int usb_console_setup(struct console *co, char *options) fail: tty_port_tty_set(&port->port, NULL); - free_tty: - kfree(tty); + put_tty: + tty_kref_put(tty); reset_open_count: port->port.count = 0; usb_autopm_put_interface(serial->interface); diff --git a/drivers/usb/serial/cp210x.c b/drivers/usb/serial/cp210x.c index 5741e940506..9e8708c5cbf 100644 --- a/drivers/usb/serial/cp210x.c +++ b/drivers/usb/serial/cp210x.c @@ -120,10 +120,12 @@ static const struct usb_device_id id_table[] = { { USB_DEVICE(0x10C4, 0x85F8) }, /* Virtenio Preon32 */ { USB_DEVICE(0x10C4, 0x8664) }, /* AC-Services CAN-IF */ { USB_DEVICE(0x10C4, 0x8665) }, /* AC-Services OBD-IF */ - { USB_DEVICE(0x10C4, 0x8875) }, /* CEL MeshConnect USB Stick */ + { USB_DEVICE(0x10C4, 0x8856) }, /* CEL EM357 ZigBee USB Stick - LR */ + { USB_DEVICE(0x10C4, 0x8857) }, /* CEL EM357 ZigBee USB Stick */ { USB_DEVICE(0x10C4, 0x88A4) }, /* MMB Networks ZigBee USB Device */ { USB_DEVICE(0x10C4, 0x88A5) }, /* Planet Innovation Ingeni ZigBee USB Device */ { USB_DEVICE(0x10C4, 0x8946) }, /* Ketra N1 Wireless Interface */ + { USB_DEVICE(0x10C4, 0x8977) }, /* CEL MeshWorks DevKit Device */ { USB_DEVICE(0x10C4, 0xEA60) }, /* Silicon Labs factory default */ { USB_DEVICE(0x10C4, 0xEA61) }, /* Silicon Labs factory default */ { USB_DEVICE(0x10C4, 0xEA70) }, /* Silicon Labs factory default */ diff --git a/drivers/usb/serial/keyspan.c b/drivers/usb/serial/keyspan.c index 49101fe45d3..35297a845a6 100644 --- a/drivers/usb/serial/keyspan.c +++ b/drivers/usb/serial/keyspan.c @@ -421,6 +421,8 @@ static void usa26_instat_callback(struct urb *urb) } port = serial->port[msg->port]; p_priv = usb_get_serial_port_data(port); + if (!p_priv) + goto resubmit; /* Update handshaking pin state information */ old_dcd_state = p_priv->dcd_state; @@ -431,7 +433,7 @@ static void usa26_instat_callback(struct urb *urb) if (old_dcd_state != p_priv->dcd_state) tty_port_tty_hangup(&port->port, true); - +resubmit: /* Resubmit urb so we continue receiving */ err = usb_submit_urb(urb, GFP_ATOMIC); if (err != 0) @@ -541,6 +543,8 @@ static void usa28_instat_callback(struct urb *urb) } port = serial->port[msg->port]; p_priv = usb_get_serial_port_data(port); + if (!p_priv) + goto resubmit; /* Update handshaking pin state information */ old_dcd_state = p_priv->dcd_state; @@ -551,7 +555,7 @@ static void usa28_instat_callback(struct urb *urb) if (old_dcd_state != p_priv->dcd_state && old_dcd_state) tty_port_tty_hangup(&port->port, true); - +resubmit: /* Resubmit urb so we continue receiving */ err = usb_submit_urb(urb, GFP_ATOMIC); if (err != 0) @@ -624,6 +628,8 @@ static void usa49_instat_callback(struct urb *urb) } port = serial->port[msg->portNumber]; p_priv = usb_get_serial_port_data(port); + if (!p_priv) + goto resubmit; /* Update handshaking pin state information */ old_dcd_state = p_priv->dcd_state; @@ -634,7 +640,7 @@ static void usa49_instat_callback(struct urb *urb) if (old_dcd_state != p_priv->dcd_state && old_dcd_state) tty_port_tty_hangup(&port->port, true); - +resubmit: /* Resubmit urb so we continue receiving */ err = usb_submit_urb(urb, GFP_ATOMIC); if (err != 0) @@ -872,6 +878,8 @@ static void usa90_instat_callback(struct urb *urb) port = serial->port[0]; p_priv = usb_get_serial_port_data(port); + if (!p_priv) + goto resubmit; /* Update handshaking pin state information */ old_dcd_state = p_priv->dcd_state; @@ -882,7 +890,7 @@ static void usa90_instat_callback(struct urb *urb) if (old_dcd_state != p_priv->dcd_state && old_dcd_state) tty_port_tty_hangup(&port->port, true); - +resubmit: /* Resubmit urb so we continue receiving */ err = usb_submit_urb(urb, GFP_ATOMIC); if (err != 0) @@ -943,6 +951,8 @@ static void usa67_instat_callback(struct urb *urb) port = serial->port[msg->port]; p_priv = usb_get_serial_port_data(port); + if (!p_priv) + goto resubmit; /* Update handshaking pin state information */ old_dcd_state = p_priv->dcd_state; @@ -951,7 +961,7 @@ static void usa67_instat_callback(struct urb *urb) if (old_dcd_state != p_priv->dcd_state && old_dcd_state) tty_port_tty_hangup(&port->port, true); - +resubmit: /* Resubmit urb so we continue receiving */ err = usb_submit_urb(urb, GFP_ATOMIC); if (err != 0) diff --git a/drivers/vfio/pci/vfio_pci.c b/drivers/vfio/pci/vfio_pci.c index 7ba04249885..75e1d03b8da 100644 --- a/drivers/vfio/pci/vfio_pci.c +++ b/drivers/vfio/pci/vfio_pci.c @@ -810,13 +810,11 @@ static const struct vfio_device_ops vfio_pci_ops = { static int vfio_pci_probe(struct pci_dev *pdev, const struct pci_device_id *id) { - u8 type; struct vfio_pci_device *vdev; struct iommu_group *group; int ret; - pci_read_config_byte(pdev, PCI_HEADER_TYPE, &type); - if ((type & PCI_HEADER_TYPE) != PCI_HEADER_TYPE_NORMAL) + if (pdev->hdr_type != PCI_HEADER_TYPE_NORMAL) return -EINVAL; group = iommu_group_get(&pdev->dev); diff --git a/drivers/vhost/scsi.c b/drivers/vhost/scsi.c index 5d0b7b84644..486d710a529 100644 --- a/drivers/vhost/scsi.c +++ b/drivers/vhost/scsi.c @@ -861,6 +861,23 @@ vhost_scsi_map_iov_to_sgl(struct tcm_vhost_cmd *cmd, return 0; } +static int vhost_scsi_to_tcm_attr(int attr) +{ + switch (attr) { + case VIRTIO_SCSI_S_SIMPLE: + return MSG_SIMPLE_TAG; + case VIRTIO_SCSI_S_ORDERED: + return MSG_ORDERED_TAG; + case VIRTIO_SCSI_S_HEAD: + return MSG_HEAD_TAG; + case VIRTIO_SCSI_S_ACA: + return MSG_ACA_TAG; + default: + break; + } + return MSG_SIMPLE_TAG; +} + static void tcm_vhost_submission_work(struct work_struct *work) { struct tcm_vhost_cmd *cmd = @@ -887,9 +904,10 @@ static void tcm_vhost_submission_work(struct work_struct *work) rc = target_submit_cmd_map_sgls(se_cmd, tv_nexus->tvn_se_sess, cmd->tvc_cdb, &cmd->tvc_sense_buf[0], cmd->tvc_lun, cmd->tvc_exp_data_len, - cmd->tvc_task_attr, cmd->tvc_data_direction, - TARGET_SCF_ACK_KREF, sg_ptr, cmd->tvc_sgl_count, - sg_bidi_ptr, sg_no_bidi, NULL, 0); + vhost_scsi_to_tcm_attr(cmd->tvc_task_attr), + cmd->tvc_data_direction, TARGET_SCF_ACK_KREF, + sg_ptr, cmd->tvc_sgl_count, sg_bidi_ptr, sg_no_bidi, + NULL, 0); if (rc < 0) { transport_send_check_condition_and_sense(se_cmd, TCM_LOGICAL_UNIT_COMMUNICATION_FAILURE, 0); diff --git a/drivers/video/backlight/gpio_backlight.c b/drivers/video/backlight/gpio_backlight.c index 81fb12770c2..a2eba12e1cb 100644 --- a/drivers/video/backlight/gpio_backlight.c +++ b/drivers/video/backlight/gpio_backlight.c @@ -13,6 +13,8 @@ #include <linux/init.h> #include <linux/kernel.h> #include <linux/module.h> +#include <linux/of.h> +#include <linux/of_gpio.h> #include <linux/platform_data/gpio_backlight.h> #include <linux/platform_device.h> #include <linux/slab.h> @@ -23,6 +25,7 @@ struct gpio_backlight { int gpio; int active; + int def_value; }; static int gpio_backlight_update_status(struct backlight_device *bl) @@ -60,6 +63,29 @@ static const struct backlight_ops gpio_backlight_ops = { .check_fb = gpio_backlight_check_fb, }; +static int gpio_backlight_probe_dt(struct platform_device *pdev, + struct gpio_backlight *gbl) +{ + struct device_node *np = pdev->dev.of_node; + enum of_gpio_flags gpio_flags; + + gbl->gpio = of_get_gpio_flags(np, 0, &gpio_flags); + + if (!gpio_is_valid(gbl->gpio)) { + if (gbl->gpio != -EPROBE_DEFER) { + dev_err(&pdev->dev, + "Error: The gpios parameter is missing or invalid.\n"); + } + return gbl->gpio; + } + + gbl->active = (gpio_flags & OF_GPIO_ACTIVE_LOW) ? 0 : 1; + + gbl->def_value = of_property_read_bool(np, "default-on"); + + return 0; +} + static int gpio_backlight_probe(struct platform_device *pdev) { struct gpio_backlight_platform_data *pdata = @@ -67,10 +93,12 @@ static int gpio_backlight_probe(struct platform_device *pdev) struct backlight_properties props; struct backlight_device *bl; struct gpio_backlight *gbl; + struct device_node *np = pdev->dev.of_node; int ret; - if (!pdata) { - dev_err(&pdev->dev, "failed to find platform data\n"); + if (!pdata && !np) { + dev_err(&pdev->dev, + "failed to find platform data or device tree node.\n"); return -ENODEV; } @@ -79,14 +107,22 @@ static int gpio_backlight_probe(struct platform_device *pdev) return -ENOMEM; gbl->dev = &pdev->dev; - gbl->fbdev = pdata->fbdev; - gbl->gpio = pdata->gpio; - gbl->active = pdata->active_low ? 0 : 1; + + if (np) { + ret = gpio_backlight_probe_dt(pdev, gbl); + if (ret) + return ret; + } else { + gbl->fbdev = pdata->fbdev; + gbl->gpio = pdata->gpio; + gbl->active = pdata->active_low ? 0 : 1; + gbl->def_value = pdata->def_value; + } ret = devm_gpio_request_one(gbl->dev, gbl->gpio, GPIOF_DIR_OUT | (gbl->active ? GPIOF_INIT_LOW : GPIOF_INIT_HIGH), - pdata->name); + pdata ? pdata->name : "backlight"); if (ret < 0) { dev_err(&pdev->dev, "unable to request GPIO\n"); return ret; @@ -103,17 +139,25 @@ static int gpio_backlight_probe(struct platform_device *pdev) return PTR_ERR(bl); } - bl->props.brightness = pdata->def_value; + bl->props.brightness = gbl->def_value; backlight_update_status(bl); platform_set_drvdata(pdev, bl); return 0; } +#ifdef CONFIG_OF +static struct of_device_id gpio_backlight_of_match[] = { + { .compatible = "gpio-backlight" }, + { /* sentinel */ } +}; +#endif + static struct platform_driver gpio_backlight_driver = { .driver = { .name = "gpio-backlight", .owner = THIS_MODULE, + .of_match_table = of_match_ptr(gpio_backlight_of_match), }, .probe = gpio_backlight_probe, }; diff --git a/drivers/video/fbdev/omap2/displays-new/dra7-evm-encoder-tpd12s015.c b/drivers/video/fbdev/omap2/displays-new/dra7-evm-encoder-tpd12s015.c index d74486be117..ec42daa626e 100644 --- a/drivers/video/fbdev/omap2/displays-new/dra7-evm-encoder-tpd12s015.c +++ b/drivers/video/fbdev/omap2/displays-new/dra7-evm-encoder-tpd12s015.c @@ -501,7 +501,7 @@ static int __exit tpd_remove(struct platform_device *pdev) } static const struct of_device_id tpd_of_match[] = { - { .compatible = "ti,dra7evm-tpd12s015", }, + { .compatible = "omapdss,ti,dra7evm-tpd12s015", }, {}, }; diff --git a/drivers/video/fbdev/omap2/displays-new/panel-tlc59108.c b/drivers/video/fbdev/omap2/displays-new/panel-tlc59108.c index 9f5b3ce2c9a..4f6e8c263b9 100644 --- a/drivers/video/fbdev/omap2/displays-new/panel-tlc59108.c +++ b/drivers/video/fbdev/omap2/displays-new/panel-tlc59108.c @@ -267,11 +267,11 @@ static struct omap_dss_driver panel_dpi_ops = { static const struct of_device_id tlc59108_of_match[] = { { - .compatible = "ti,tlc59108-tfcs9700", + .compatible = "omapdss,ti,tlc59108-tfcs9700", .data = &tlc_7_inch_data, }, { - .compatible = "ti,tlc59108-lp101", + .compatible = "omapdss,ti,tlc59108-lp101", .data = &tlc_10_inch_data, }, { } diff --git a/drivers/video/fbdev/omap2/dss/omapdss-boot-init.c b/drivers/video/fbdev/omap2/dss/omapdss-boot-init.c index 99af9e88b2d..64f9a88cde8 100644 --- a/drivers/video/fbdev/omap2/dss/omapdss-boot-init.c +++ b/drivers/video/fbdev/omap2/dss/omapdss-boot-init.c @@ -184,6 +184,7 @@ static const struct of_device_id omapdss_of_match[] __initconst = { { .compatible = "ti,omap3-dss", }, { .compatible = "ti,omap4-dss", }, { .compatible = "ti,omap5-dss", }, + { .compatible = "ti,dra7-dss", }, {}, }; diff --git a/drivers/xen/swiotlb-xen.c b/drivers/xen/swiotlb-xen.c index 9df5d6ec7ee..f3a9d831d0f 100644 --- a/drivers/xen/swiotlb-xen.c +++ b/drivers/xen/swiotlb-xen.c @@ -449,7 +449,7 @@ static void xen_unmap_single(struct device *hwdev, dma_addr_t dev_addr, /* NOTE: We use dev_addr here, not paddr! */ if (is_xen_swiotlb_buffer(dev_addr)) { - swiotlb_tbl_unmap_single(hwdev, dev_addr, size, dir); + swiotlb_tbl_unmap_single(hwdev, paddr, size, dir); return; } diff --git a/firmware/Makefile b/firmware/Makefile index cbb09ce9730..bcee66d9eeb 100644 --- a/firmware/Makefile +++ b/firmware/Makefile @@ -96,6 +96,9 @@ fw-shipped-$(CONFIG_SND_WAVEFRONT) += yamaha/yss225_registers.bin fw-shipped-$(CONFIG_TEHUTI) += tehuti/bdx.bin fw-shipped-$(CONFIG_TIGON3) += tigon/tg3.bin tigon/tg3_tso.bin \ tigon/tg3_tso5.bin + +fw-shipped-$(CONFIG_VIDEO_TI_VPDMA_LOAD_FW) += vpdma-1b8.bin + fw-shipped-$(CONFIG_TYPHOON) += 3com/typhoon.bin fw-shipped-$(CONFIG_USB_EMI26) += emi26/loader.fw emi26/firmware.fw \ emi26/bitstream.fw diff --git a/firmware/vpdma-1b8.bin.ihex b/firmware/vpdma-1b8.bin.ihex new file mode 100644 index 00000000000..ddf307dd3e2 --- /dev/null +++ b/firmware/vpdma-1b8.bin.ihex @@ -0,0 +1,252 @@ +:10000000064B408007680749064A005102441F0812 +:10001000064A003102441E080449418004484080D9 +:100020000680000C01D002C01681010000441C08AB +:1000300001441D080649E809064818080185064AD2 +:1000400001002181219400441B080044180806483F 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+:100F70000000000000000000000000000000000071 +:100F80000000000000000000000000000000000061 +:100F90000000000000000000000000000000000051 +:020FA00000004F +:00000001FF diff --git a/fs/btrfs/extent_io.c b/fs/btrfs/extent_io.c index 1a858947006..fa9f9004909 100644 --- a/fs/btrfs/extent_io.c +++ b/fs/btrfs/extent_io.c @@ -4507,7 +4507,8 @@ static void check_buffer_tree_ref(struct extent_buffer *eb) spin_unlock(&eb->refs_lock); } -static void mark_extent_buffer_accessed(struct extent_buffer *eb) +static void mark_extent_buffer_accessed(struct extent_buffer *eb, + struct page *accessed) { unsigned long num_pages, i; @@ -4516,7 +4517,8 @@ static void mark_extent_buffer_accessed(struct extent_buffer *eb) num_pages = num_extent_pages(eb->start, eb->len); for (i = 0; i < num_pages; i++) { struct page *p = extent_buffer_page(eb, i); - mark_page_accessed(p); + if (p != accessed) + mark_page_accessed(p); } } @@ -4530,7 +4532,7 @@ struct extent_buffer *find_extent_buffer(struct btrfs_fs_info *fs_info, start >> PAGE_CACHE_SHIFT); if (eb && atomic_inc_not_zero(&eb->refs)) { rcu_read_unlock(); - mark_extent_buffer_accessed(eb); + mark_extent_buffer_accessed(eb, NULL); return eb; } rcu_read_unlock(); @@ -4578,7 +4580,7 @@ struct extent_buffer *alloc_extent_buffer(struct btrfs_fs_info *fs_info, spin_unlock(&mapping->private_lock); unlock_page(p); page_cache_release(p); - mark_extent_buffer_accessed(exists); + mark_extent_buffer_accessed(exists, p); goto free_eb; } @@ -4593,7 +4595,6 @@ struct extent_buffer *alloc_extent_buffer(struct btrfs_fs_info *fs_info, attach_extent_buffer_page(eb, p); spin_unlock(&mapping->private_lock); WARN_ON(PageDirty(p)); - mark_page_accessed(p); eb->pages[i] = p; if (!PageUptodate(p)) uptodate = 0; diff --git a/fs/btrfs/file.c b/fs/btrfs/file.c index f6d00df99a8..279b06ef552 100644 --- a/fs/btrfs/file.c +++ b/fs/btrfs/file.c @@ -470,11 +470,12 @@ static void btrfs_drop_pages(struct page **pages, size_t num_pages) for (i = 0; i < num_pages; i++) { /* page checked is some magic around finding pages that * have been modified without going through btrfs_set_page_dirty - * clear it here + * clear it here. There should be no need to mark the pages + * accessed as prepare_pages should have marked them accessed + * in prepare_pages via find_or_create_page() */ ClearPageChecked(pages[i]); unlock_page(pages[i]); - mark_page_accessed(pages[i]); page_cache_release(pages[i]); } } diff --git a/fs/buffer.c b/fs/buffer.c index 4d06a573d19..eef21c69f2d 100644 --- a/fs/buffer.c +++ b/fs/buffer.c @@ -227,7 +227,7 @@ __find_get_block_slow(struct block_device *bdev, sector_t block) int all_mapped = 1; index = block >> (PAGE_CACHE_SHIFT - bd_inode->i_blkbits); - page = find_get_page(bd_mapping, index); + page = find_get_page_flags(bd_mapping, index, FGP_ACCESSED); if (!page) goto out; @@ -1368,12 +1368,13 @@ __find_get_block(struct block_device *bdev, sector_t block, unsigned size) struct buffer_head *bh = lookup_bh_lru(bdev, block, size); if (bh == NULL) { + /* __find_get_block_slow will mark the page accessed */ bh = __find_get_block_slow(bdev, block); if (bh) bh_lru_install(bh); - } - if (bh) + } else touch_buffer(bh); + return bh; } EXPORT_SYMBOL(__find_get_block); @@ -1485,16 +1486,27 @@ EXPORT_SYMBOL(set_bh_page); /* * Called when truncating a buffer on a page completely. */ + +/* Bits that are cleared during an invalidate */ +#define BUFFER_FLAGS_DISCARD \ + (1 << BH_Mapped | 1 << BH_New | 1 << BH_Req | \ + 1 << BH_Delay | 1 << BH_Unwritten) + static void discard_buffer(struct buffer_head * bh) { + unsigned long b_state, b_state_old; + lock_buffer(bh); clear_buffer_dirty(bh); bh->b_bdev = NULL; - clear_buffer_mapped(bh); - clear_buffer_req(bh); - clear_buffer_new(bh); - clear_buffer_delay(bh); - clear_buffer_unwritten(bh); + b_state = bh->b_state; + for (;;) { + b_state_old = cmpxchg(&bh->b_state, b_state, + (b_state & ~BUFFER_FLAGS_DISCARD)); + if (b_state_old == b_state) + break; + b_state = b_state_old; + } unlock_buffer(bh); } diff --git a/fs/cifs/ioctl.c b/fs/cifs/ioctl.c index 77492301cc2..dfc95646b88 100644 --- a/fs/cifs/ioctl.c +++ b/fs/cifs/ioctl.c @@ -86,21 +86,16 @@ static long cifs_ioctl_clone(unsigned int xid, struct file *dst_file, } src_inode = src_file.file->f_dentry->d_inode; + rc = -EINVAL; + if (S_ISDIR(src_inode->i_mode)) + goto out_fput; /* * Note: cifs case is easier than btrfs since server responsible for * checks for proper open modes and file type and if it wants * server could even support copy of range where source = target */ - - /* so we do not deadlock racing two ioctls on same files */ - if (target_inode < src_inode) { - mutex_lock_nested(&target_inode->i_mutex, I_MUTEX_PARENT); - mutex_lock_nested(&src_inode->i_mutex, I_MUTEX_CHILD); - } else { - mutex_lock_nested(&src_inode->i_mutex, I_MUTEX_PARENT); - mutex_lock_nested(&target_inode->i_mutex, I_MUTEX_CHILD); - } + lock_two_nondirectories(target_inode, src_inode); /* determine range to clone */ rc = -EINVAL; @@ -124,13 +119,7 @@ static long cifs_ioctl_clone(unsigned int xid, struct file *dst_file, out_unlock: /* although unlocking in the reverse order from locking is not strictly necessary here it is a little cleaner to be consistent */ - if (target_inode < src_inode) { - mutex_unlock(&src_inode->i_mutex); - mutex_unlock(&target_inode->i_mutex); - } else { - mutex_unlock(&target_inode->i_mutex); - mutex_unlock(&src_inode->i_mutex); - } + unlock_two_nondirectories(src_inode, target_inode); out_fput: fdput(src_file); out_drop_write: diff --git a/fs/ext4/mballoc.c b/fs/ext4/mballoc.c index 17728b7b642..bbf23c718ca 100644 --- a/fs/ext4/mballoc.c +++ b/fs/ext4/mballoc.c @@ -1044,6 +1044,8 @@ int ext4_mb_init_group(struct super_block *sb, ext4_group_t group) * allocating. If we are looking at the buddy cache we would * have taken a reference using ext4_mb_load_buddy and that * would have pinned buddy page to page cache. + * The call to ext4_mb_get_buddy_page_lock will mark the + * page accessed. */ ret = ext4_mb_get_buddy_page_lock(sb, group, &e4b); if (ret || !EXT4_MB_GRP_NEED_INIT(this_grp)) { @@ -1062,7 +1064,6 @@ int ext4_mb_init_group(struct super_block *sb, ext4_group_t group) ret = -EIO; goto err; } - mark_page_accessed(page); if (e4b.bd_buddy_page == NULL) { /* @@ -1082,7 +1083,6 @@ int ext4_mb_init_group(struct super_block *sb, ext4_group_t group) ret = -EIO; goto err; } - mark_page_accessed(page); err: ext4_mb_put_buddy_page_lock(&e4b); return ret; @@ -1141,7 +1141,7 @@ ext4_mb_load_buddy(struct super_block *sb, ext4_group_t group, /* we could use find_or_create_page(), but it locks page * what we'd like to avoid in fast path ... */ - page = find_get_page(inode->i_mapping, pnum); + page = find_get_page_flags(inode->i_mapping, pnum, FGP_ACCESSED); if (page == NULL || !PageUptodate(page)) { if (page) /* @@ -1172,15 +1172,16 @@ ext4_mb_load_buddy(struct super_block *sb, ext4_group_t group, ret = -EIO; goto err; } + + /* Pages marked accessed already */ e4b->bd_bitmap_page = page; e4b->bd_bitmap = page_address(page) + (poff * sb->s_blocksize); - mark_page_accessed(page); block++; pnum = block / blocks_per_page; poff = block % blocks_per_page; - page = find_get_page(inode->i_mapping, pnum); + page = find_get_page_flags(inode->i_mapping, pnum, FGP_ACCESSED); if (page == NULL || !PageUptodate(page)) { if (page) page_cache_release(page); @@ -1201,9 +1202,10 @@ ext4_mb_load_buddy(struct super_block *sb, ext4_group_t group, ret = -EIO; goto err; } + + /* Pages marked accessed already */ e4b->bd_buddy_page = page; e4b->bd_buddy = page_address(page) + (poff * sb->s_blocksize); - mark_page_accessed(page); BUG_ON(e4b->bd_bitmap_page == NULL); BUG_ON(e4b->bd_buddy_page == NULL); diff --git a/fs/f2fs/checkpoint.c b/fs/f2fs/checkpoint.c index 293d0486a40..5c6fe278fb6 100644 --- a/fs/f2fs/checkpoint.c +++ b/fs/f2fs/checkpoint.c @@ -71,7 +71,6 @@ repeat: goto repeat; } out: - mark_page_accessed(page); return page; } diff --git a/fs/f2fs/node.c b/fs/f2fs/node.c index b0649b76eb4..bb6478acb36 100644 --- a/fs/f2fs/node.c +++ b/fs/f2fs/node.c @@ -969,7 +969,6 @@ repeat: } got_it: f2fs_bug_on(nid != nid_of_node(page)); - mark_page_accessed(page); return page; } @@ -1024,7 +1023,6 @@ page_hit: f2fs_put_page(page, 1); return ERR_PTR(-EIO); } - mark_page_accessed(page); return page; } diff --git a/fs/fuse/dev.c b/fs/fuse/dev.c index bea90c6b2be..ccd3d19917c 100644 --- a/fs/fuse/dev.c +++ b/fs/fuse/dev.c @@ -1618,7 +1618,7 @@ out_finish: static void fuse_retrieve_end(struct fuse_conn *fc, struct fuse_req *req) { - release_pages(req->pages, req->num_pages, 0); + release_pages(req->pages, req->num_pages, false); } static int fuse_retrieve(struct fuse_conn *fc, struct inode *inode, diff --git a/fs/fuse/file.c b/fs/fuse/file.c index a91d3b4d32f..d8a60270581 100644 --- a/fs/fuse/file.c +++ b/fs/fuse/file.c @@ -1006,8 +1006,6 @@ static ssize_t fuse_fill_write_pages(struct fuse_req *req, tmp = iov_iter_copy_from_user_atomic(page, ii, offset, bytes); flush_dcache_page(page); - mark_page_accessed(page); - if (!tmp) { unlock_page(page); page_cache_release(page); diff --git a/fs/gfs2/aops.c b/fs/gfs2/aops.c index 49436fa7cd4..4ccb60d943b 100644 --- a/fs/gfs2/aops.c +++ b/fs/gfs2/aops.c @@ -517,7 +517,6 @@ int gfs2_internal_read(struct gfs2_inode *ip, char *buf, loff_t *pos, p = kmap_atomic(page); memcpy(buf + copied, p + offset, amt); kunmap_atomic(p); - mark_page_accessed(page); page_cache_release(page); copied += amt; index++; diff --git a/fs/gfs2/meta_io.c b/fs/gfs2/meta_io.c index b82a9c99e18..e7b149614f5 100644 --- a/fs/gfs2/meta_io.c +++ b/fs/gfs2/meta_io.c @@ -136,7 +136,8 @@ struct buffer_head *gfs2_getbuf(struct gfs2_glock *gl, u64 blkno, int create) yield(); } } else { - page = find_lock_page(mapping, index); + page = find_get_page_flags(mapping, index, + FGP_LOCK|FGP_ACCESSED); if (!page) return NULL; } @@ -153,7 +154,6 @@ struct buffer_head *gfs2_getbuf(struct gfs2_glock *gl, u64 blkno, int create) map_bh(bh, sdp->sd_vfs, blkno); unlock_page(page); - mark_page_accessed(page); page_cache_release(page); return bh; diff --git a/fs/lockd/svc.c b/fs/lockd/svc.c index 223e1cb1434..59a53f66400 100644 --- a/fs/lockd/svc.c +++ b/fs/lockd/svc.c @@ -137,10 +137,6 @@ lockd(void *vrqstp) dprintk("NFS locking service started (ver " LOCKD_VERSION ").\n"); - if (!nlm_timeout) - nlm_timeout = LOCKD_DFLT_TIMEO; - nlmsvc_timeout = nlm_timeout * HZ; - /* * The main request loop. We don't terminate until the last * NFS mount or NFS daemon has gone away. @@ -346,6 +342,10 @@ static struct svc_serv *lockd_create_svc(void) printk(KERN_WARNING "lockd_up: no pid, %d users??\n", nlmsvc_users); + if (!nlm_timeout) + nlm_timeout = LOCKD_DFLT_TIMEO; + nlmsvc_timeout = nlm_timeout * HZ; + serv = svc_create(&nlmsvc_program, LOCKD_BUFSIZE, NULL); if (!serv) { printk(KERN_WARNING "lockd_up: create service failed\n"); diff --git a/fs/nfs/nfs4client.c b/fs/nfs/nfs4client.c index 1abe4f55dea..037f9572b94 100644 --- a/fs/nfs/nfs4client.c +++ b/fs/nfs/nfs4client.c @@ -565,20 +565,14 @@ static bool nfs4_match_clientids(struct nfs_client *a, struct nfs_client *b) } /* - * Returns true if the server owners match + * Returns true if the server major ids match */ static bool -nfs4_match_serverowners(struct nfs_client *a, struct nfs_client *b) +nfs4_check_clientid_trunking(struct nfs_client *a, struct nfs_client *b) { struct nfs41_server_owner *o1 = a->cl_serverowner; struct nfs41_server_owner *o2 = b->cl_serverowner; - if (o1->minor_id != o2->minor_id) { - dprintk("NFS: --> %s server owner minor IDs do not match\n", - __func__); - return false; - } - if (o1->major_id_sz != o2->major_id_sz) goto out_major_mismatch; if (memcmp(o1->major_id, o2->major_id, o1->major_id_sz) != 0) @@ -654,7 +648,12 @@ int nfs41_walk_client_list(struct nfs_client *new, if (!nfs4_match_clientids(pos, new)) continue; - if (!nfs4_match_serverowners(pos, new)) + /* + * Note that session trunking is just a special subcase of + * client id trunking. In either case, we want to fall back + * to using the existing nfs_client. + */ + if (!nfs4_check_clientid_trunking(pos, new)) continue; atomic_inc(&pos->cl_count); diff --git a/fs/notify/inode_mark.c b/fs/notify/inode_mark.c index 74825be65b7..fbb9dfb7b1d 100644 --- a/fs/notify/inode_mark.c +++ b/fs/notify/inode_mark.c @@ -288,20 +288,25 @@ void fsnotify_unmount_inodes(struct list_head *list) spin_unlock(&inode->i_lock); /* In case the dropping of a reference would nuke next_i. */ - if ((&next_i->i_sb_list != list) && - atomic_read(&next_i->i_count)) { + while (&next_i->i_sb_list != list) { spin_lock(&next_i->i_lock); - if (!(next_i->i_state & (I_FREEING | I_WILL_FREE))) { + if (!(next_i->i_state & (I_FREEING | I_WILL_FREE)) && + atomic_read(&next_i->i_count)) { __iget(next_i); need_iput = next_i; + spin_unlock(&next_i->i_lock); + break; } spin_unlock(&next_i->i_lock); + next_i = list_entry(next_i->i_sb_list.next, + struct inode, i_sb_list); } /* - * We can safely drop inode_sb_list_lock here because we hold - * references on both inode and next_i. Also no new inodes - * will be added since the umount has begun. + * We can safely drop inode_sb_list_lock here because either + * we actually hold references on both inode and next_i or + * end of list. Also no new inodes will be added since the + * umount has begun. */ spin_unlock(&inode_sb_list_lock); diff --git a/fs/ntfs/attrib.c b/fs/ntfs/attrib.c index a27e3fecefa..250ed5b20c8 100644 --- a/fs/ntfs/attrib.c +++ b/fs/ntfs/attrib.c @@ -1748,7 +1748,6 @@ int ntfs_attr_make_non_resident(ntfs_inode *ni, const u32 data_size) if (page) { set_page_dirty(page); unlock_page(page); - mark_page_accessed(page); page_cache_release(page); } ntfs_debug("Done."); diff --git a/fs/ntfs/file.c b/fs/ntfs/file.c index db9bd8a3172..86ddab916b6 100644 --- a/fs/ntfs/file.c +++ b/fs/ntfs/file.c @@ -2060,7 +2060,6 @@ static ssize_t ntfs_file_buffered_write(struct kiocb *iocb, } do { unlock_page(pages[--do_pages]); - mark_page_accessed(pages[do_pages]); page_cache_release(pages[do_pages]); } while (do_pages); if (unlikely(status)) diff --git a/fs/proc/stat.c b/fs/proc/stat.c index 6f599c62f0c..dbd02723544 100644 --- a/fs/proc/stat.c +++ b/fs/proc/stat.c @@ -159,7 +159,7 @@ static int show_stat(struct seq_file *p, void *v) /* sum again ? it could be updated? */ for_each_irq_nr(j) - seq_put_decimal_ull(p, ' ', kstat_irqs(j)); + seq_put_decimal_ull(p, ' ', kstat_irqs_usr(j)); seq_printf(p, "\nctxt %llu\n" diff --git a/include/dt-bindings/pinctrl/dra.h b/include/dt-bindings/pinctrl/dra.h index 3d1aa257568..3bbc5f3f53d 100644 --- a/include/dt-bindings/pinctrl/dra.h +++ b/include/dt-bindings/pinctrl/dra.h @@ -30,6 +30,28 @@ #define MUX_MODE14 0xe #define MUX_MODE15 0xf +/* Certain pins need virtual mode, but note: they may glitch */ +#define MUX_VIRTUAL_MODE0 (MODE_SELECT | (0x0 << 4)) +#define MUX_VIRTUAL_MODE1 (MODE_SELECT | (0x1 << 4)) +#define MUX_VIRTUAL_MODE2 (MODE_SELECT | (0x2 << 4)) +#define MUX_VIRTUAL_MODE3 (MODE_SELECT | (0x3 << 4)) +#define MUX_VIRTUAL_MODE4 (MODE_SELECT | (0x4 << 4)) +#define MUX_VIRTUAL_MODE5 (MODE_SELECT | (0x5 << 4)) +#define MUX_VIRTUAL_MODE6 (MODE_SELECT | (0x6 << 4)) +#define MUX_VIRTUAL_MODE7 (MODE_SELECT | (0x7 << 4)) +#define MUX_VIRTUAL_MODE8 (MODE_SELECT | (0x8 << 4)) +#define MUX_VIRTUAL_MODE9 (MODE_SELECT | (0x9 << 4)) +#define MUX_VIRTUAL_MODE10 (MODE_SELECT | (0xa << 4)) +#define MUX_VIRTUAL_MODE11 (MODE_SELECT | (0xb << 4)) +#define MUX_VIRTUAL_MODE12 (MODE_SELECT | (0xc << 4)) +#define MUX_VIRTUAL_MODE13 (MODE_SELECT | (0xd << 4)) +#define MUX_VIRTUAL_MODE14 (MODE_SELECT | (0xe << 4)) +#define MUX_VIRTUAL_MODE15 (MODE_SELECT | (0xf << 4)) + +#define MODE_SELECT (1 << 8) + +#define MANUAL_MODE MODE_SELECT + #define PULL_ENA (0 << 16) #define PULL_DIS (1 << 16) #define PULL_UP (1 << 17) @@ -55,5 +77,9 @@ #define PIN_OFF_INPUT_PULLDOWN (OFF_EN | OFF_PULL_EN) #define PIN_OFF_WAKEUPENABLE WAKEUP_EN +/* DRA7 IODELAY configuration parameters */ +#define A_DELAY(val) ((val) & 0xFFFF) +#define G_DELAY(val) (((val) & 0xFFFF) << 16) + #endif diff --git a/include/linux/cpuset.h b/include/linux/cpuset.h index b19d3dc2e65..ade2390ffe9 100644 --- a/include/linux/cpuset.h +++ b/include/linux/cpuset.h @@ -12,10 +12,31 @@ #include <linux/cpumask.h> #include <linux/nodemask.h> #include <linux/mm.h> +#include <linux/jump_label.h> #ifdef CONFIG_CPUSETS -extern int number_of_cpusets; /* How many cpusets are defined in system? */ +extern struct static_key cpusets_enabled_key; +static inline bool cpusets_enabled(void) +{ + return static_key_false(&cpusets_enabled_key); +} + +static inline int nr_cpusets(void) +{ + /* jump label reference count + the top-level cpuset */ + return static_key_count(&cpusets_enabled_key) + 1; +} + +static inline void cpuset_inc(void) +{ + static_key_slow_inc(&cpusets_enabled_key); +} + +static inline void cpuset_dec(void) +{ + static_key_slow_dec(&cpusets_enabled_key); +} extern int cpuset_init(void); extern void cpuset_init_smp(void); @@ -32,13 +53,13 @@ extern int __cpuset_node_allowed_hardwall(int node, gfp_t gfp_mask); static inline int cpuset_node_allowed_softwall(int node, gfp_t gfp_mask) { - return number_of_cpusets <= 1 || + return nr_cpusets() <= 1 || __cpuset_node_allowed_softwall(node, gfp_mask); } static inline int cpuset_node_allowed_hardwall(int node, gfp_t gfp_mask) { - return number_of_cpusets <= 1 || + return nr_cpusets() <= 1 || __cpuset_node_allowed_hardwall(node, gfp_mask); } @@ -124,6 +145,8 @@ static inline void set_mems_allowed(nodemask_t nodemask) #else /* !CONFIG_CPUSETS */ +static inline bool cpusets_enabled(void) { return false; } + static inline int cpuset_init(void) { return 0; } static inline void cpuset_init_smp(void) {} diff --git a/include/linux/crypto.h b/include/linux/crypto.h index b92eadf92d7..2b00d92a6e6 100644 --- a/include/linux/crypto.h +++ b/include/linux/crypto.h @@ -26,6 +26,19 @@ #include <linux/uaccess.h> /* + * Autoloaded crypto modules should only use a prefixed name to avoid allowing + * arbitrary modules to be loaded. Loading from userspace may still need the + * unprefixed names, so retains those aliases as well. + * This uses __MODULE_INFO directly instead of MODULE_ALIAS because pre-4.3 + * gcc (e.g. avr32 toolchain) uses __LINE__ for uniqueness, and this macro + * expands twice on the same line. Instead, use a separate base name for the + * alias. + */ +#define MODULE_ALIAS_CRYPTO(name) \ + __MODULE_INFO(alias, alias_userspace, name); \ + __MODULE_INFO(alias, alias_crypto, "crypto-" name) + +/* * Algorithm masks and types. */ #define CRYPTO_ALG_TYPE_MASK 0x0000000f diff --git a/include/linux/gfp.h b/include/linux/gfp.h index 39b81dc7d01..3824ac62f39 100644 --- a/include/linux/gfp.h +++ b/include/linux/gfp.h @@ -369,8 +369,8 @@ void *alloc_pages_exact_nid(int nid, size_t size, gfp_t gfp_mask); extern void __free_pages(struct page *page, unsigned int order); extern void free_pages(unsigned long addr, unsigned int order); -extern void free_hot_cold_page(struct page *page, int cold); -extern void free_hot_cold_page_list(struct list_head *list, int cold); +extern void free_hot_cold_page(struct page *page, bool cold); +extern void free_hot_cold_page_list(struct list_head *list, bool cold); extern void __free_memcg_kmem_pages(struct page *page, unsigned int order); extern void free_memcg_kmem_pages(unsigned long addr, unsigned int order); diff --git a/include/linux/huge_mm.h b/include/linux/huge_mm.h index b826239bdce..63579cb8d3d 100644 --- a/include/linux/huge_mm.h +++ b/include/linux/huge_mm.h @@ -93,10 +93,6 @@ extern bool is_vma_temporary_stack(struct vm_area_struct *vma); #endif /* CONFIG_DEBUG_VM */ extern unsigned long transparent_hugepage_flags; -extern int copy_pte_range(struct mm_struct *dst_mm, struct mm_struct *src_mm, - pmd_t *dst_pmd, pmd_t *src_pmd, - struct vm_area_struct *vma, - unsigned long addr, unsigned long end); extern int split_huge_page_to_list(struct page *page, struct list_head *list); static inline int split_huge_page(struct page *page) { diff --git a/include/linux/jump_label.h b/include/linux/jump_label.h index 5c1dfb2a9e7..784304b222b 100644 --- a/include/linux/jump_label.h +++ b/include/linux/jump_label.h @@ -69,6 +69,10 @@ struct static_key { # include <asm/jump_label.h> # define HAVE_JUMP_LABEL +#else +struct static_key { + atomic_t enabled; +}; #endif /* CC_HAVE_ASM_GOTO && CONFIG_JUMP_LABEL */ enum jump_label_type { @@ -79,6 +83,12 @@ enum jump_label_type { struct module; #include <linux/atomic.h> + +static inline int static_key_count(struct static_key *key) +{ + return atomic_read(&key->enabled); +} + #ifdef HAVE_JUMP_LABEL #define JUMP_LABEL_TYPE_FALSE_BRANCH 0UL @@ -134,10 +144,6 @@ extern void jump_label_apply_nops(struct module *mod); #else /* !HAVE_JUMP_LABEL */ -struct static_key { - atomic_t enabled; -}; - static __always_inline void jump_label_init(void) { static_key_initialized = true; @@ -145,14 +151,14 @@ static __always_inline void jump_label_init(void) static __always_inline bool static_key_false(struct static_key *key) { - if (unlikely(atomic_read(&key->enabled) > 0)) + if (unlikely(static_key_count(key) > 0)) return true; return false; } static __always_inline bool static_key_true(struct static_key *key) { - if (likely(atomic_read(&key->enabled) > 0)) + if (likely(static_key_count(key) > 0)) return true; return false; } @@ -194,7 +200,7 @@ static inline int jump_label_apply_nops(struct module *mod) static inline bool static_key_enabled(struct static_key *key) { - return (atomic_read(&key->enabled) > 0); + return static_key_count(key) > 0; } #endif /* _LINUX_JUMP_LABEL_H */ diff --git a/include/linux/kernel_stat.h b/include/linux/kernel_stat.h index 51c72be4a7c..4b2053a232c 100644 --- a/include/linux/kernel_stat.h +++ b/include/linux/kernel_stat.h @@ -74,6 +74,7 @@ static inline unsigned int kstat_softirqs_cpu(unsigned int irq, int cpu) * Number of interrupts per specific IRQ source, since bootup */ extern unsigned int kstat_irqs(unsigned int irq); +extern unsigned int kstat_irqs_usr(unsigned int irq); /* * Number of interrupts per cpu, since bootup diff --git a/include/linux/mmzone.h b/include/linux/mmzone.h index 18843532a0c..ac819bf9522 100644 --- a/include/linux/mmzone.h +++ b/include/linux/mmzone.h @@ -78,10 +78,15 @@ extern int page_group_by_mobility_disabled; #define NR_MIGRATETYPE_BITS (PB_migrate_end - PB_migrate + 1) #define MIGRATETYPE_MASK ((1UL << NR_MIGRATETYPE_BITS) - 1) -static inline int get_pageblock_migratetype(struct page *page) +#define get_pageblock_migratetype(page) \ + get_pfnblock_flags_mask(page, page_to_pfn(page), \ + PB_migrate_end, MIGRATETYPE_MASK) + +static inline int get_pfnblock_migratetype(struct page *page, unsigned long pfn) { BUILD_BUG_ON(PB_migrate_end - PB_migrate != 2); - return get_pageblock_flags_mask(page, PB_migrate_end, MIGRATETYPE_MASK); + return get_pfnblock_flags_mask(page, pfn, PB_migrate_end, + MIGRATETYPE_MASK); } struct free_area { @@ -138,6 +143,7 @@ enum zone_stat_item { NR_SHMEM, /* shmem pages (included tmpfs/GEM pages) */ NR_DIRTIED, /* page dirtyings since bootup */ NR_WRITTEN, /* page writings since bootup */ + NR_PAGES_SCANNED, /* pages scanned since last reclaim */ #ifdef CONFIG_NUMA NUMA_HIT, /* allocated in intended node */ NUMA_MISS, /* allocated in non intended node */ @@ -316,19 +322,12 @@ enum zone_type { #ifndef __GENERATING_BOUNDS_H struct zone { - /* Fields commonly accessed by the page allocator */ + /* Read-mostly fields */ /* zone watermarks, access with *_wmark_pages(zone) macros */ unsigned long watermark[NR_WMARK]; /* - * When free pages are below this point, additional steps are taken - * when reading the number of free pages to avoid per-cpu counter - * drift allowing watermarks to be breached - */ - unsigned long percpu_drift_mark; - - /* * We don't know if the memory that we're going to allocate will be freeable * or/and it will be released eventually, so to avoid totally wasting several * GB of ram we must reserve some of the lower zone memory (otherwise we risk @@ -336,41 +335,26 @@ struct zone { * on the higher zones). This array is recalculated at runtime if the * sysctl_lowmem_reserve_ratio sysctl changes. */ - unsigned long lowmem_reserve[MAX_NR_ZONES]; - - /* - * This is a per-zone reserve of pages that should not be - * considered dirtyable memory. - */ - unsigned long dirty_balance_reserve; + long lowmem_reserve[MAX_NR_ZONES]; #ifdef CONFIG_NUMA int node; +#endif + /* - * zone reclaim becomes active if more unmapped pages exist. + * The target ratio of ACTIVE_ANON to INACTIVE_ANON pages on + * this zone's LRU. Maintained by the pageout code. */ - unsigned long min_unmapped_pages; - unsigned long min_slab_pages; -#endif + unsigned int inactive_ratio; + + struct pglist_data *zone_pgdat; struct per_cpu_pageset __percpu *pageset; + /* - * free areas of different sizes + * This is a per-zone reserve of pages that should not be + * considered dirtyable memory. */ - spinlock_t lock; -#if defined CONFIG_COMPACTION || defined CONFIG_CMA - /* Set to true when the PG_migrate_skip bits should be cleared */ - bool compact_blockskip_flush; - - /* pfn where compaction free scanner should start */ - unsigned long compact_cached_free_pfn; - /* pfn where async and sync compaction migration scanner should start */ - unsigned long compact_cached_migrate_pfn[2]; -#endif -#ifdef CONFIG_MEMORY_HOTPLUG - /* see spanned/present_pages for more description */ - seqlock_t span_seqlock; -#endif - struct free_area free_area[MAX_ORDER]; + unsigned long dirty_balance_reserve; #ifndef CONFIG_SPARSEMEM /* @@ -380,71 +364,14 @@ struct zone { unsigned long *pageblock_flags; #endif /* CONFIG_SPARSEMEM */ -#ifdef CONFIG_COMPACTION - /* - * On compaction failure, 1<<compact_defer_shift compactions - * are skipped before trying again. The number attempted since - * last failure is tracked with compact_considered. - */ - unsigned int compact_considered; - unsigned int compact_defer_shift; - int compact_order_failed; -#endif - - ZONE_PADDING(_pad1_) - - /* Fields commonly accessed by the page reclaim scanner */ - spinlock_t lru_lock; - struct lruvec lruvec; - - unsigned long pages_scanned; /* since last reclaim */ - unsigned long flags; /* zone flags, see below */ - - /* Zone statistics */ - atomic_long_t vm_stat[NR_VM_ZONE_STAT_ITEMS]; - - /* - * The target ratio of ACTIVE_ANON to INACTIVE_ANON pages on - * this zone's LRU. Maintained by the pageout code. - */ - unsigned int inactive_ratio; - - - ZONE_PADDING(_pad2_) - /* Rarely used or read-mostly fields */ - +#ifdef CONFIG_NUMA /* - * wait_table -- the array holding the hash table - * wait_table_hash_nr_entries -- the size of the hash table array - * wait_table_bits -- wait_table_size == (1 << wait_table_bits) - * - * The purpose of all these is to keep track of the people - * waiting for a page to become available and make them - * runnable again when possible. The trouble is that this - * consumes a lot of space, especially when so few things - * wait on pages at a given time. So instead of using - * per-page waitqueues, we use a waitqueue hash table. - * - * The bucket discipline is to sleep on the same queue when - * colliding and wake all in that wait queue when removing. - * When something wakes, it must check to be sure its page is - * truly available, a la thundering herd. The cost of a - * collision is great, but given the expected load of the - * table, they should be so rare as to be outweighed by the - * benefits from the saved space. - * - * __wait_on_page_locked() and unlock_page() in mm/filemap.c, are the - * primary users of these fields, and in mm/page_alloc.c - * free_area_init_core() performs the initialization of them. + * zone reclaim becomes active if more unmapped pages exist. */ - wait_queue_head_t * wait_table; - unsigned long wait_table_hash_nr_entries; - unsigned long wait_table_bits; + unsigned long min_unmapped_pages; + unsigned long min_slab_pages; +#endif /* CONFIG_NUMA */ - /* - * Discontig memory support fields. - */ - struct pglist_data *zone_pgdat; /* zone_start_pfn == zone_start_paddr >> PAGE_SHIFT */ unsigned long zone_start_pfn; @@ -490,9 +417,11 @@ struct zone { * adjust_managed_page_count() should be used instead of directly * touching zone->managed_pages and totalram_pages. */ + unsigned long managed_pages; unsigned long spanned_pages; unsigned long present_pages; - unsigned long managed_pages; + + const char *name; /* * Number of MIGRATE_RESEVE page block. To maintain for just @@ -500,10 +429,91 @@ struct zone { */ int nr_migrate_reserve_block; +#ifdef CONFIG_MEMORY_HOTPLUG + /* see spanned/present_pages for more description */ + seqlock_t span_seqlock; +#endif + /* - * rarely used fields: + * wait_table -- the array holding the hash table + * wait_table_hash_nr_entries -- the size of the hash table array + * wait_table_bits -- wait_table_size == (1 << wait_table_bits) + * + * The purpose of all these is to keep track of the people + * waiting for a page to become available and make them + * runnable again when possible. The trouble is that this + * consumes a lot of space, especially when so few things + * wait on pages at a given time. So instead of using + * per-page waitqueues, we use a waitqueue hash table. + * + * The bucket discipline is to sleep on the same queue when + * colliding and wake all in that wait queue when removing. + * When something wakes, it must check to be sure its page is + * truly available, a la thundering herd. The cost of a + * collision is great, but given the expected load of the + * table, they should be so rare as to be outweighed by the + * benefits from the saved space. + * + * __wait_on_page_locked() and unlock_page() in mm/filemap.c, are the + * primary users of these fields, and in mm/page_alloc.c + * free_area_init_core() performs the initialization of them. */ - const char *name; + wait_queue_head_t *wait_table; + unsigned long wait_table_hash_nr_entries; + unsigned long wait_table_bits; + + ZONE_PADDING(_pad1_) + + /* Write-intensive fields used from the page allocator */ + spinlock_t lock; + + /* free areas of different sizes */ + struct free_area free_area[MAX_ORDER]; + + /* zone flags, see below */ + unsigned long flags; + + ZONE_PADDING(_pad2_) + + /* Write-intensive fields used by page reclaim */ + + /* Fields commonly accessed by the page reclaim scanner */ + spinlock_t lru_lock; + struct lruvec lruvec; + + /* + * When free pages are below this point, additional steps are taken + * when reading the number of free pages to avoid per-cpu counter + * drift allowing watermarks to be breached + */ + unsigned long percpu_drift_mark; + +#if defined CONFIG_COMPACTION || defined CONFIG_CMA + /* pfn where compaction free scanner should start */ + unsigned long compact_cached_free_pfn; + /* pfn where async and sync compaction migration scanner should start */ + unsigned long compact_cached_migrate_pfn[2]; +#endif + +#ifdef CONFIG_COMPACTION + /* + * On compaction failure, 1<<compact_defer_shift compactions + * are skipped before trying again. The number attempted since + * last failure is tracked with compact_considered. + */ + unsigned int compact_considered; + unsigned int compact_defer_shift; + int compact_order_failed; +#endif + +#if defined CONFIG_COMPACTION || defined CONFIG_CMA + /* Set to true when the PG_migrate_skip bits should be cleared */ + bool compact_blockskip_flush; +#endif + + ZONE_PADDING(_pad3_) + /* Zone statistics */ + atomic_long_t vm_stat[NR_VM_ZONE_STAT_ITEMS]; } ____cacheline_internodealigned_in_smp; typedef enum { @@ -519,6 +529,7 @@ typedef enum { ZONE_WRITEBACK, /* reclaim scanning has recently found * many pages under writeback */ + ZONE_FAIR_DEPLETED, /* fair zone policy batch depleted */ } zone_flags_t; static inline void zone_set_flag(struct zone *zone, zone_flags_t flag) @@ -556,6 +567,11 @@ static inline int zone_is_reclaim_locked(const struct zone *zone) return test_bit(ZONE_RECLAIM_LOCKED, &zone->flags); } +static inline int zone_is_fair_depleted(const struct zone *zone) +{ + return test_bit(ZONE_FAIR_DEPLETED, &zone->flags); +} + static inline int zone_is_oom_locked(const struct zone *zone) { return test_bit(ZONE_OOM_LOCKED, &zone->flags); @@ -807,10 +823,10 @@ static inline bool pgdat_is_empty(pg_data_t *pgdat) extern struct mutex zonelists_mutex; void build_all_zonelists(pg_data_t *pgdat, struct zone *zone); void wakeup_kswapd(struct zone *zone, int order, enum zone_type classzone_idx); -bool zone_watermark_ok(struct zone *z, int order, unsigned long mark, - int classzone_idx, int alloc_flags); -bool zone_watermark_ok_safe(struct zone *z, int order, unsigned long mark, - int classzone_idx, int alloc_flags); +bool zone_watermark_ok(struct zone *z, unsigned int order, + unsigned long mark, int classzone_idx, int alloc_flags); +bool zone_watermark_ok_safe(struct zone *z, unsigned int order, + unsigned long mark, int classzone_idx, int alloc_flags); enum memmap_context { MEMMAP_EARLY, MEMMAP_HOTPLUG, diff --git a/include/linux/page-flags.h b/include/linux/page-flags.h index ca71a1d347a..3c545b48aea 100644 --- a/include/linux/page-flags.h +++ b/include/linux/page-flags.h @@ -198,6 +198,7 @@ struct page; /* forward declaration */ TESTPAGEFLAG(Locked, locked) PAGEFLAG(Error, error) TESTCLEARFLAG(Error, error) PAGEFLAG(Referenced, referenced) TESTCLEARFLAG(Referenced, referenced) + __SETPAGEFLAG(Referenced, referenced) PAGEFLAG(Dirty, dirty) TESTSCFLAG(Dirty, dirty) __CLEARPAGEFLAG(Dirty, dirty) PAGEFLAG(LRU, lru) __CLEARPAGEFLAG(LRU, lru) PAGEFLAG(Active, active) __CLEARPAGEFLAG(Active, active) @@ -208,6 +209,7 @@ PAGEFLAG(Pinned, pinned) TESTSCFLAG(Pinned, pinned) /* Xen */ PAGEFLAG(SavePinned, savepinned); /* Xen */ PAGEFLAG(Reserved, reserved) __CLEARPAGEFLAG(Reserved, reserved) PAGEFLAG(SwapBacked, swapbacked) __CLEARPAGEFLAG(SwapBacked, swapbacked) + __SETPAGEFLAG(SwapBacked, swapbacked) __PAGEFLAG(SlobFree, slob_free) diff --git a/include/linux/pageblock-flags.h b/include/linux/pageblock-flags.h index c08730c10c7..2baeee12f48 100644 --- a/include/linux/pageblock-flags.h +++ b/include/linux/pageblock-flags.h @@ -65,33 +65,26 @@ extern int pageblock_order; /* Forward declaration */ struct page; -unsigned long get_pageblock_flags_mask(struct page *page, +unsigned long get_pfnblock_flags_mask(struct page *page, + unsigned long pfn, unsigned long end_bitidx, unsigned long mask); -void set_pageblock_flags_mask(struct page *page, + +void set_pfnblock_flags_mask(struct page *page, unsigned long flags, + unsigned long pfn, unsigned long end_bitidx, unsigned long mask); /* Declarations for getting and setting flags. See mm/page_alloc.c */ -static inline unsigned long get_pageblock_flags_group(struct page *page, - int start_bitidx, int end_bitidx) -{ - unsigned long nr_flag_bits = end_bitidx - start_bitidx + 1; - unsigned long mask = (1 << nr_flag_bits) - 1; - - return get_pageblock_flags_mask(page, end_bitidx, mask); -} - -static inline void set_pageblock_flags_group(struct page *page, - unsigned long flags, - int start_bitidx, int end_bitidx) -{ - unsigned long nr_flag_bits = end_bitidx - start_bitidx + 1; - unsigned long mask = (1 << nr_flag_bits) - 1; - - set_pageblock_flags_mask(page, flags, end_bitidx, mask); -} +#define get_pageblock_flags_group(page, start_bitidx, end_bitidx) \ + get_pfnblock_flags_mask(page, page_to_pfn(page), \ + end_bitidx, \ + (1 << (end_bitidx - start_bitidx + 1)) - 1) +#define set_pageblock_flags_group(page, flags, start_bitidx, end_bitidx) \ + set_pfnblock_flags_mask(page, flags, page_to_pfn(page), \ + end_bitidx, \ + (1 << (end_bitidx - start_bitidx + 1)) - 1) #ifdef CONFIG_COMPACTION #define get_pageblock_skip(page) \ diff --git a/include/linux/pagemap.h b/include/linux/pagemap.h index 09c1b03867d..fcebdda3651 100644 --- a/include/linux/pagemap.h +++ b/include/linux/pagemap.h @@ -99,7 +99,7 @@ static inline void mapping_set_gfp_mask(struct address_space *m, gfp_t mask) #define page_cache_get(page) get_page(page) #define page_cache_release(page) put_page(page) -void release_pages(struct page **pages, int nr, int cold); +void release_pages(struct page **pages, int nr, bool cold); /* * speculatively take a reference to a page. @@ -248,12 +248,108 @@ pgoff_t page_cache_next_hole(struct address_space *mapping, pgoff_t page_cache_prev_hole(struct address_space *mapping, pgoff_t index, unsigned long max_scan); +#define FGP_ACCESSED 0x00000001 +#define FGP_LOCK 0x00000002 +#define FGP_CREAT 0x00000004 +#define FGP_WRITE 0x00000008 +#define FGP_NOFS 0x00000010 +#define FGP_NOWAIT 0x00000020 + +struct page *pagecache_get_page(struct address_space *mapping, pgoff_t offset, + int fgp_flags, gfp_t cache_gfp_mask); + +/** + * find_get_page - find and get a page reference + * @mapping: the address_space to search + * @offset: the page index + * + * Looks up the page cache slot at @mapping & @offset. If there is a + * page cache page, it is returned with an increased refcount. + * + * Otherwise, %NULL is returned. + */ +static inline struct page *find_get_page(struct address_space *mapping, + pgoff_t offset) +{ + return pagecache_get_page(mapping, offset, 0, 0); +} + +static inline struct page *find_get_page_flags(struct address_space *mapping, + pgoff_t offset, int fgp_flags) +{ + return pagecache_get_page(mapping, offset, fgp_flags, 0); +} + +/** + * find_lock_page - locate, pin and lock a pagecache page + * pagecache_get_page - find and get a page reference + * @mapping: the address_space to search + * @offset: the page index + * + * Looks up the page cache slot at @mapping & @offset. If there is a + * page cache page, it is returned locked and with an increased + * refcount. + * + * Otherwise, %NULL is returned. + * + * find_lock_page() may sleep. + */ +static inline struct page *find_lock_page(struct address_space *mapping, + pgoff_t offset) +{ + return pagecache_get_page(mapping, offset, FGP_LOCK, 0); +} + +/** + * find_or_create_page - locate or add a pagecache page + * @mapping: the page's address_space + * @index: the page's index into the mapping + * @gfp_mask: page allocation mode + * + * Looks up the page cache slot at @mapping & @offset. If there is a + * page cache page, it is returned locked and with an increased + * refcount. + * + * If the page is not present, a new page is allocated using @gfp_mask + * and added to the page cache and the VM's LRU list. The page is + * returned locked and with an increased refcount. + * + * On memory exhaustion, %NULL is returned. + * + * find_or_create_page() may sleep, even if @gfp_flags specifies an + * atomic allocation! + */ +static inline struct page *find_or_create_page(struct address_space *mapping, + pgoff_t offset, gfp_t gfp_mask) +{ + return pagecache_get_page(mapping, offset, + FGP_LOCK|FGP_ACCESSED|FGP_CREAT, + gfp_mask); +} + +/** + * grab_cache_page_nowait - returns locked page at given index in given cache + * @mapping: target address_space + * @index: the page index + * + * Same as grab_cache_page(), but do not wait if the page is unavailable. + * This is intended for speculative data generators, where the data can + * be regenerated if the page couldn't be grabbed. This routine should + * be safe to call while holding the lock for another page. + * + * Clear __GFP_FS when allocating the page to avoid recursion into the fs + * and deadlock against the caller's locked page. + */ +static inline struct page *grab_cache_page_nowait(struct address_space *mapping, + pgoff_t index) +{ + return pagecache_get_page(mapping, index, + FGP_LOCK|FGP_CREAT|FGP_NOFS|FGP_NOWAIT, + mapping_gfp_mask(mapping)); +} + struct page *find_get_entry(struct address_space *mapping, pgoff_t offset); -struct page *find_get_page(struct address_space *mapping, pgoff_t offset); struct page *find_lock_entry(struct address_space *mapping, pgoff_t offset); -struct page *find_lock_page(struct address_space *mapping, pgoff_t offset); -struct page *find_or_create_page(struct address_space *mapping, pgoff_t index, - gfp_t gfp_mask); unsigned find_get_entries(struct address_space *mapping, pgoff_t start, unsigned int nr_entries, struct page **entries, pgoff_t *indices); @@ -276,8 +372,6 @@ static inline struct page *grab_cache_page(struct address_space *mapping, return find_or_create_page(mapping, index, mapping_gfp_mask(mapping)); } -extern struct page * grab_cache_page_nowait(struct address_space *mapping, - pgoff_t index); extern struct page * read_cache_page(struct address_space *mapping, pgoff_t index, filler_t *filler, void *data); extern struct page * read_cache_page_gfp(struct address_space *mapping, diff --git a/include/linux/pci.h b/include/linux/pci.h index 0e5e16c6f7f..d662546f77d 100644 --- a/include/linux/pci.h +++ b/include/linux/pci.h @@ -170,6 +170,8 @@ enum pci_dev_flags { PCI_DEV_FLAGS_NO_D3 = (__force pci_dev_flags_t) 2, /* Provide indication device is assigned by a Virtual Machine Manager */ PCI_DEV_FLAGS_ASSIGNED = (__force pci_dev_flags_t) 4, + /* Do not use bus resets for device */ + PCI_DEV_FLAGS_NO_BUS_RESET = (__force pci_dev_flags_t) (1 << 6), }; enum pci_irq_reroute_variant { diff --git a/include/linux/swap.h b/include/linux/swap.h index 78932497680..241bf092277 100644 --- a/include/linux/swap.h +++ b/include/linux/swap.h @@ -268,12 +268,14 @@ extern unsigned long nr_free_pagecache_pages(void); /* linux/mm/swap.c */ -extern void __lru_cache_add(struct page *); extern void lru_cache_add(struct page *); +extern void lru_cache_add_anon(struct page *page); +extern void lru_cache_add_file(struct page *page); extern void lru_add_page_tail(struct page *page, struct page *page_tail, struct lruvec *lruvec, struct list_head *head); extern void activate_page(struct page *); extern void mark_page_accessed(struct page *); +extern void init_page_accessed(struct page *page); extern void lru_add_drain(void); extern void lru_add_drain_cpu(int cpu); extern void lru_add_drain_all(void); @@ -283,22 +285,6 @@ extern void swap_setup(void); extern void add_page_to_unevictable_list(struct page *page); -/** - * lru_cache_add: add a page to the page lists - * @page: the page to add - */ -static inline void lru_cache_add_anon(struct page *page) -{ - ClearPageActive(page); - __lru_cache_add(page); -} - -static inline void lru_cache_add_file(struct page *page) -{ - ClearPageActive(page); - __lru_cache_add(page); -} - /* linux/mm/vmscan.c */ extern unsigned long try_to_free_pages(struct zonelist *zonelist, int order, gfp_t gfp_mask, nodemask_t *mask); @@ -456,7 +442,7 @@ mem_cgroup_uncharge_swapcache(struct page *page, swp_entry_t ent, bool swapout) #define free_page_and_swap_cache(page) \ page_cache_release(page) #define free_pages_and_swap_cache(pages, nr) \ - release_pages((pages), (nr), 0); + release_pages((pages), (nr), false); static inline void show_swap_cache_info(void) { diff --git a/include/linux/time.h b/include/linux/time.h index d5d229b2e5a..7d532a32ff3 100644 --- a/include/linux/time.h +++ b/include/linux/time.h @@ -173,6 +173,19 @@ extern void getboottime(struct timespec *ts); extern void monotonic_to_bootbased(struct timespec *ts); extern void get_monotonic_boottime(struct timespec *ts); +static inline bool timeval_valid(const struct timeval *tv) +{ + /* Dates before 1970 are bogus */ + if (tv->tv_sec < 0) + return false; + + /* Can't have more microseconds then a second */ + if (tv->tv_usec < 0 || tv->tv_usec >= USEC_PER_SEC) + return false; + + return true; +} + extern struct timespec timespec_trunc(struct timespec t, unsigned gran); extern int timekeeping_valid_for_hres(void); extern u64 timekeeping_max_deferment(void); diff --git a/include/linux/usb/drd.h b/include/linux/usb/drd.h index 71c64dcd93e..6a9c3ce5635 100644 --- a/include/linux/usb/drd.h +++ b/include/linux/usb/drd.h @@ -22,6 +22,13 @@ struct usb_drd_gadget { struct usb_drd_setup *gadget_setup; }; +enum omap_dwc3_vbus_id_status { + OMAP_DWC3_ID_FLOAT, + OMAP_DWC3_ID_GROUND, + OMAP_DWC3_VBUS_OFF, + OMAP_DWC3_VBUS_VALID, +}; + #define DRD_UNREGISTERED 0x0 #define DRD_DEVICE_REGISTERED 0x1 #define DRD_HOST_REGISTERED 0x2 @@ -45,6 +52,8 @@ int usb_drd_stop_hcd(struct device *parent); int usb_drd_start_udc(struct device *parent); int usb_drd_stop_udc(struct device *parent); int usb_drd_get_state(struct device *parent); +int dwc3_omap_usbvbus_id_handler(struct device *dev, + enum omap_dwc3_vbus_id_status status); #else static inline int usb_drd_release(struct device *parent) { return 0; } diff --git a/include/trace/events/pagemap.h b/include/trace/events/pagemap.h index 1c9fabde69e..ce0803b8d05 100644 --- a/include/trace/events/pagemap.h +++ b/include/trace/events/pagemap.h @@ -28,12 +28,10 @@ TRACE_EVENT(mm_lru_insertion, TP_PROTO( struct page *page, - unsigned long pfn, - int lru, - unsigned long flags + int lru ), - TP_ARGS(page, pfn, lru, flags), + TP_ARGS(page, lru), TP_STRUCT__entry( __field(struct page *, page ) @@ -44,9 +42,9 @@ TRACE_EVENT(mm_lru_insertion, TP_fast_assign( __entry->page = page; - __entry->pfn = pfn; + __entry->pfn = page_to_pfn(page); __entry->lru = lru; - __entry->flags = flags; + __entry->flags = trace_pagemap_flags(page); ), /* Flag format is based on page-types.c formatting for pagemap */ @@ -64,9 +62,9 @@ TRACE_EVENT(mm_lru_insertion, TRACE_EVENT(mm_lru_activate, - TP_PROTO(struct page *page, unsigned long pfn), + TP_PROTO(struct page *page), - TP_ARGS(page, pfn), + TP_ARGS(page), TP_STRUCT__entry( __field(struct page *, page ) @@ -75,7 +73,7 @@ TRACE_EVENT(mm_lru_activate, TP_fast_assign( __entry->page = page; - __entry->pfn = pfn; + __entry->pfn = page_to_pfn(page); ), /* Flag format is based on page-types.c formatting for pagemap */ diff --git a/include/uapi/linux/in6.h b/include/uapi/linux/in6.h index e9a1d2d973b..4c399ae0467 100644 --- a/include/uapi/linux/in6.h +++ b/include/uapi/linux/in6.h @@ -149,7 +149,7 @@ struct in6_flowlabel_req { /* * IPV6 socket options */ - +#if __UAPI_DEF_IPV6_OPTIONS #define IPV6_ADDRFORM 1 #define IPV6_2292PKTINFO 2 #define IPV6_2292HOPOPTS 3 @@ -192,6 +192,7 @@ struct in6_flowlabel_req { #define IPV6_IPSEC_POLICY 34 #define IPV6_XFRM_POLICY 35 +#endif /* * Multicast: diff --git a/include/uapi/linux/libc-compat.h b/include/uapi/linux/libc-compat.h index c140620dad9..e28807ad17f 100644 --- a/include/uapi/linux/libc-compat.h +++ b/include/uapi/linux/libc-compat.h @@ -69,6 +69,7 @@ #define __UAPI_DEF_SOCKADDR_IN6 0 #define __UAPI_DEF_IPV6_MREQ 0 #define __UAPI_DEF_IPPROTO_V6 0 +#define __UAPI_DEF_IPV6_OPTIONS 0 #else @@ -82,6 +83,7 @@ #define __UAPI_DEF_SOCKADDR_IN6 1 #define __UAPI_DEF_IPV6_MREQ 1 #define __UAPI_DEF_IPPROTO_V6 1 +#define __UAPI_DEF_IPV6_OPTIONS 1 #endif /* _NETINET_IN_H */ @@ -103,6 +105,7 @@ #define __UAPI_DEF_SOCKADDR_IN6 1 #define __UAPI_DEF_IPV6_MREQ 1 #define __UAPI_DEF_IPPROTO_V6 1 +#define __UAPI_DEF_IPV6_OPTIONS 1 /* Definitions for xattr.h */ #define __UAPI_DEF_XATTR 1 diff --git a/include/uapi/linux/videodev2.h b/include/uapi/linux/videodev2.h index d26bcff63cf..57d04c77084 100644 --- a/include/uapi/linux/videodev2.h +++ b/include/uapi/linux/videodev2.h @@ -69,7 +69,7 @@ * Common stuff for both V4L1 and V4L2 * Moved from videodev.h */ -#define VIDEO_MAX_FRAME 32 +#define VIDEO_MAX_FRAME 128 #define VIDEO_MAX_PLANES 8 /* diff --git a/kernel/cpuset.c b/kernel/cpuset.c index 15b3ea69322..2fb2877e696 100644 --- a/kernel/cpuset.c +++ b/kernel/cpuset.c @@ -61,12 +61,7 @@ #include <linux/cgroup.h> #include <linux/wait.h> -/* - * Tracks how many cpusets are currently defined in system. - * When there is only one cpuset (the root cpuset) we can - * short circuit some hooks. - */ -int number_of_cpusets __read_mostly; +struct static_key cpusets_enabled_key __read_mostly = STATIC_KEY_INIT_FALSE; /* See "Frequency meter" comments, below. */ @@ -611,7 +606,7 @@ static int generate_sched_domains(cpumask_var_t **domains, goto done; } - csa = kmalloc(number_of_cpusets * sizeof(cp), GFP_KERNEL); + csa = kmalloc(nr_cpusets() * sizeof(cp), GFP_KERNEL); if (!csa) goto done; csn = 0; @@ -1961,7 +1956,7 @@ static int cpuset_css_online(struct cgroup_subsys_state *css) if (is_spread_slab(parent)) set_bit(CS_SPREAD_SLAB, &cs->flags); - number_of_cpusets++; + cpuset_inc(); if (!test_bit(CGRP_CPUSET_CLONE_CHILDREN, &css->cgroup->flags)) goto out_unlock; @@ -2012,7 +2007,7 @@ static void cpuset_css_offline(struct cgroup_subsys_state *css) if (is_sched_load_balance(cs)) update_flag(CS_SCHED_LOAD_BALANCE, cs, 0); - number_of_cpusets--; + cpuset_dec(); clear_bit(CS_ONLINE, &cs->flags); mutex_unlock(&cpuset_mutex); @@ -2067,7 +2062,6 @@ int __init cpuset_init(void) if (!alloc_cpumask_var(&cpus_attach, GFP_KERNEL)) BUG(); - number_of_cpusets = 1; return 0; } diff --git a/kernel/irq/internals.h b/kernel/irq/internals.h index 001fa5bab49..8a160e8a44e 100644 --- a/kernel/irq/internals.h +++ b/kernel/irq/internals.h @@ -74,6 +74,14 @@ extern void irq_percpu_disable(struct irq_desc *desc, unsigned int cpu); extern void mask_irq(struct irq_desc *desc); extern void unmask_irq(struct irq_desc *desc); +#ifdef CONFIG_SPARSE_IRQ +extern void irq_lock_sparse(void); +extern void irq_unlock_sparse(void); +#else +static inline void irq_lock_sparse(void) { } +static inline void irq_unlock_sparse(void) { } +#endif + extern void init_kstat_irqs(struct irq_desc *desc, int node, int nr); irqreturn_t handle_irq_event_percpu(struct irq_desc *desc, struct irqaction *action); diff --git a/kernel/irq/irqdesc.c b/kernel/irq/irqdesc.c index 8ab8e939029..07d45516b54 100644 --- a/kernel/irq/irqdesc.c +++ b/kernel/irq/irqdesc.c @@ -131,6 +131,16 @@ static void free_masks(struct irq_desc *desc) static inline void free_masks(struct irq_desc *desc) { } #endif +void irq_lock_sparse(void) +{ + mutex_lock(&sparse_irq_lock); +} + +void irq_unlock_sparse(void) +{ + mutex_unlock(&sparse_irq_lock); +} + static struct irq_desc *alloc_desc(int irq, int node, struct module *owner) { struct irq_desc *desc; @@ -167,6 +177,12 @@ static void free_desc(unsigned int irq) unregister_irq_proc(irq, desc); + /* + * sparse_irq_lock protects also show_interrupts() and + * kstat_irq_usr(). Once we deleted the descriptor from the + * sparse tree we can free it. Access in proc will fail to + * lookup the descriptor. + */ mutex_lock(&sparse_irq_lock); delete_irq_desc(irq); mutex_unlock(&sparse_irq_lock); @@ -489,6 +505,15 @@ void dynamic_irq_cleanup(unsigned int irq) raw_spin_unlock_irqrestore(&desc->lock, flags); } +/** + * kstat_irqs_cpu - Get the statistics for an interrupt on a cpu + * @irq: The interrupt number + * @cpu: The cpu number + * + * Returns the sum of interrupt counts on @cpu since boot for + * @irq. The caller must ensure that the interrupt is not removed + * concurrently. + */ unsigned int kstat_irqs_cpu(unsigned int irq, int cpu) { struct irq_desc *desc = irq_to_desc(irq); @@ -497,6 +522,14 @@ unsigned int kstat_irqs_cpu(unsigned int irq, int cpu) *per_cpu_ptr(desc->kstat_irqs, cpu) : 0; } +/** + * kstat_irqs - Get the statistics for an interrupt + * @irq: The interrupt number + * + * Returns the sum of interrupt counts on all cpus since boot for + * @irq. The caller must ensure that the interrupt is not removed + * concurrently. + */ unsigned int kstat_irqs(unsigned int irq) { struct irq_desc *desc = irq_to_desc(irq); @@ -509,3 +542,22 @@ unsigned int kstat_irqs(unsigned int irq) sum += *per_cpu_ptr(desc->kstat_irqs, cpu); return sum; } + +/** + * kstat_irqs_usr - Get the statistics for an interrupt + * @irq: The interrupt number + * + * Returns the sum of interrupt counts on all cpus since boot for + * @irq. Contrary to kstat_irqs() this can be called from any + * preemptible context. It's protected against concurrent removal of + * an interrupt descriptor when sparse irqs are enabled. + */ +unsigned int kstat_irqs_usr(unsigned int irq) +{ + int sum; + + irq_lock_sparse(); + sum = kstat_irqs(irq); + irq_unlock_sparse(); + return sum; +} diff --git a/kernel/irq/proc.c b/kernel/irq/proc.c index 36f6ee181b0..095cd7230ae 100644 --- a/kernel/irq/proc.c +++ b/kernel/irq/proc.c @@ -15,6 +15,23 @@ #include "internals.h" +/* + * Access rules: + * + * procfs protects read/write of /proc/irq/N/ files against a + * concurrent free of the interrupt descriptor. remove_proc_entry() + * immediately prevents new read/writes to happen and waits for + * already running read/write functions to complete. + * + * We remove the proc entries first and then delete the interrupt + * descriptor from the radix tree and free it. So it is guaranteed + * that irq_to_desc(N) is valid as long as the read/writes are + * permitted by procfs. + * + * The read from /proc/interrupts is a different problem because there + * is no protection. So the lookup and the access to irqdesc + * information must be protected by sparse_irq_lock. + */ static struct proc_dir_entry *root_irq_dir; #ifdef CONFIG_SMP @@ -437,9 +454,10 @@ int show_interrupts(struct seq_file *p, void *v) seq_putc(p, '\n'); } + irq_lock_sparse(); desc = irq_to_desc(i); if (!desc) - return 0; + goto outsparse; raw_spin_lock_irqsave(&desc->lock, flags); for_each_online_cpu(j) @@ -479,6 +497,8 @@ int show_interrupts(struct seq_file *p, void *v) seq_putc(p, '\n'); out: raw_spin_unlock_irqrestore(&desc->lock, flags); +outsparse: + irq_unlock_sparse(); return 0; } #endif diff --git a/kernel/time.c b/kernel/time.c index 3c49ab45f82..3eb322e518a 100644 --- a/kernel/time.c +++ b/kernel/time.c @@ -195,6 +195,10 @@ SYSCALL_DEFINE2(settimeofday, struct timeval __user *, tv, if (tv) { if (copy_from_user(&user_tv, tv, sizeof(*tv))) return -EFAULT; + + if (!timeval_valid(&user_tv)) + return -EINVAL; + new_ts.tv_sec = user_tv.tv_sec; new_ts.tv_nsec = user_tv.tv_usec * NSEC_PER_USEC; } diff --git a/kernel/time/ntp.c b/kernel/time/ntp.c index af8d1d4f3d5..28db9bedc85 100644 --- a/kernel/time/ntp.c +++ b/kernel/time/ntp.c @@ -631,6 +631,13 @@ int ntp_validate_timex(struct timex *txc) if ((txc->modes & ADJ_SETOFFSET) && (!capable(CAP_SYS_TIME))) return -EPERM; + if (txc->modes & ADJ_FREQUENCY) { + if (LONG_MIN / PPM_SCALE > txc->freq) + return -EINVAL; + if (LONG_MAX / PPM_SCALE < txc->freq) + return -EINVAL; + } + return 0; } diff --git a/kernel/time/tick-sched.c b/kernel/time/tick-sched.c index 6558b7ac112..8c08a6f9cca 100644 --- a/kernel/time/tick-sched.c +++ b/kernel/time/tick-sched.c @@ -807,7 +807,6 @@ void tick_nohz_idle_enter(void) local_irq_enable(); } -EXPORT_SYMBOL_GPL(tick_nohz_idle_enter); /** * tick_nohz_irq_exit - update next tick event from interrupt exit @@ -934,7 +933,6 @@ void tick_nohz_idle_exit(void) local_irq_enable(); } -EXPORT_SYMBOL_GPL(tick_nohz_idle_exit); static int tick_nohz_reprogram(struct tick_sched *ts, ktime_t now) { diff --git a/lib/decompress_bunzip2.c b/lib/decompress_bunzip2.c index 31c5f7675fb..f504027d66a 100644 --- a/lib/decompress_bunzip2.c +++ b/lib/decompress_bunzip2.c @@ -184,7 +184,7 @@ static int INIT get_next_block(struct bunzip_data *bd) if (get_bits(bd, 1)) return RETVAL_OBSOLETE_INPUT; origPtr = get_bits(bd, 24); - if (origPtr > dbufSize) + if (origPtr >= dbufSize) return RETVAL_DATA_ERROR; /* mapping table: if some byte values are never used (encoding things like ascii text), the compression code removes the gaps to have fewer diff --git a/mm/filemap.c b/mm/filemap.c index bdaa21555ab..217cfd3b326 100644 --- a/mm/filemap.c +++ b/mm/filemap.c @@ -644,8 +644,17 @@ EXPORT_SYMBOL(unlock_page); */ void end_page_writeback(struct page *page) { - if (TestClearPageReclaim(page)) + /* + * TestClearPageReclaim could be used here but it is an atomic + * operation and overkill in this particular case. Failing to + * shuffle a page marked for immediate reclaim is too mild to + * justify taking an atomic operation penalty at the end of + * ever page writeback. + */ + if (PageReclaim(page)) { + ClearPageReclaim(page); rotate_reclaimable_page(page); + } if (!test_clear_page_writeback(page)) BUG(); @@ -848,26 +857,6 @@ out: EXPORT_SYMBOL(find_get_entry); /** - * find_get_page - find and get a page reference - * @mapping: the address_space to search - * @offset: the page index - * - * Looks up the page cache slot at @mapping & @offset. If there is a - * page cache page, it is returned with an increased refcount. - * - * Otherwise, %NULL is returned. - */ -struct page *find_get_page(struct address_space *mapping, pgoff_t offset) -{ - struct page *page = find_get_entry(mapping, offset); - - if (radix_tree_exceptional_entry(page)) - page = NULL; - return page; -} -EXPORT_SYMBOL(find_get_page); - -/** * find_lock_entry - locate, pin and lock a page cache entry * @mapping: the address_space to search * @offset: the page cache index @@ -904,66 +893,83 @@ repeat: EXPORT_SYMBOL(find_lock_entry); /** - * find_lock_page - locate, pin and lock a pagecache page + * pagecache_get_page - find and get a page reference * @mapping: the address_space to search * @offset: the page index + * @fgp_flags: PCG flags + * @gfp_mask: gfp mask to use for the page cache data page allocation * - * Looks up the page cache slot at @mapping & @offset. If there is a - * page cache page, it is returned locked and with an increased - * refcount. - * - * Otherwise, %NULL is returned. + * Looks up the page cache slot at @mapping & @offset. * - * find_lock_page() may sleep. - */ -struct page *find_lock_page(struct address_space *mapping, pgoff_t offset) -{ - struct page *page = find_lock_entry(mapping, offset); - - if (radix_tree_exceptional_entry(page)) - page = NULL; - return page; -} -EXPORT_SYMBOL(find_lock_page); - -/** - * find_or_create_page - locate or add a pagecache page - * @mapping: the page's address_space - * @index: the page's index into the mapping - * @gfp_mask: page allocation mode + * PCG flags modify how the page is returned * - * Looks up the page cache slot at @mapping & @offset. If there is a - * page cache page, it is returned locked and with an increased - * refcount. - * - * If the page is not present, a new page is allocated using @gfp_mask - * and added to the page cache and the VM's LRU list. The page is - * returned locked and with an increased refcount. + * FGP_ACCESSED: the page will be marked accessed + * FGP_LOCK: Page is return locked + * FGP_CREAT: If page is not present then a new page is allocated using + * @gfp_mask and added to the page cache and the VM's LRU + * list. The page is returned locked and with an increased + * refcount. Otherwise, %NULL is returned. * - * On memory exhaustion, %NULL is returned. + * If FGP_LOCK or FGP_CREAT are specified then the function may sleep even + * if the GFP flags specified for FGP_CREAT are atomic. * - * find_or_create_page() may sleep, even if @gfp_flags specifies an - * atomic allocation! + * If there is a page cache page, it is returned with an increased refcount. */ -struct page *find_or_create_page(struct address_space *mapping, - pgoff_t index, gfp_t gfp_mask) +struct page *pagecache_get_page(struct address_space *mapping, pgoff_t offset, + int fgp_flags, gfp_t gfp_mask) { struct page *page; - int err; + repeat: - page = find_lock_page(mapping, index); - if (!page) { + page = find_get_entry(mapping, offset); + if (radix_tree_exceptional_entry(page)) + page = NULL; + if (!page) + goto no_page; + + if (fgp_flags & FGP_LOCK) { + if (fgp_flags & FGP_NOWAIT) { + if (!trylock_page(page)) { + page_cache_release(page); + return NULL; + } + } else { + lock_page(page); + } + + /* Has the page been truncated? */ + if (unlikely(page->mapping != mapping)) { + unlock_page(page); + page_cache_release(page); + goto repeat; + } + VM_BUG_ON(page->index != offset); + } + + if (page && (fgp_flags & FGP_ACCESSED)) + mark_page_accessed(page); + +no_page: + if (!page && (fgp_flags & FGP_CREAT)) { + int err; + if ((fgp_flags & FGP_WRITE) && mapping_cap_account_dirty(mapping)) + gfp_mask |= __GFP_WRITE; + if (fgp_flags & FGP_NOFS) + gfp_mask &= ~__GFP_FS; + page = __page_cache_alloc(gfp_mask); if (!page) return NULL; - /* - * We want a regular kernel memory (not highmem or DMA etc) - * allocation for the radix tree nodes, but we need to honour - * the context-specific requirements the caller has asked for. - * GFP_RECLAIM_MASK collects those requirements. - */ - err = add_to_page_cache_lru(page, mapping, index, - (gfp_mask & GFP_RECLAIM_MASK)); + + if (WARN_ON_ONCE(!(fgp_flags & FGP_LOCK))) + fgp_flags |= FGP_LOCK; + + /* Init accessed so avoit atomic mark_page_accessed later */ + if (fgp_flags & FGP_ACCESSED) + init_page_accessed(page); + + err = add_to_page_cache_lru(page, mapping, offset, + gfp_mask & GFP_RECLAIM_MASK); if (unlikely(err)) { page_cache_release(page); page = NULL; @@ -971,9 +977,10 @@ repeat: goto repeat; } } + return page; } -EXPORT_SYMBOL(find_or_create_page); +EXPORT_SYMBOL(pagecache_get_page); /** * find_get_entries - gang pagecache lookup @@ -1263,39 +1270,6 @@ repeat: } EXPORT_SYMBOL(find_get_pages_tag); -/** - * grab_cache_page_nowait - returns locked page at given index in given cache - * @mapping: target address_space - * @index: the page index - * - * Same as grab_cache_page(), but do not wait if the page is unavailable. - * This is intended for speculative data generators, where the data can - * be regenerated if the page couldn't be grabbed. This routine should - * be safe to call while holding the lock for another page. - * - * Clear __GFP_FS when allocating the page to avoid recursion into the fs - * and deadlock against the caller's locked page. - */ -struct page * -grab_cache_page_nowait(struct address_space *mapping, pgoff_t index) -{ - struct page *page = find_get_page(mapping, index); - - if (page) { - if (trylock_page(page)) - return page; - page_cache_release(page); - return NULL; - } - page = __page_cache_alloc(mapping_gfp_mask(mapping) & ~__GFP_FS); - if (page && add_to_page_cache_lru(page, mapping, index, GFP_NOFS)) { - page_cache_release(page); - page = NULL; - } - return page; -} -EXPORT_SYMBOL(grab_cache_page_nowait); - /* * CD/DVDs are error prone. When a medium error occurs, the driver may fail * a _large_ part of the i/o request. Imagine the worst scenario: @@ -2397,7 +2371,6 @@ int pagecache_write_end(struct file *file, struct address_space *mapping, { const struct address_space_operations *aops = mapping->a_ops; - mark_page_accessed(page); return aops->write_end(file, mapping, pos, len, copied, page, fsdata); } EXPORT_SYMBOL(pagecache_write_end); @@ -2479,34 +2452,17 @@ EXPORT_SYMBOL(generic_file_direct_write); struct page *grab_cache_page_write_begin(struct address_space *mapping, pgoff_t index, unsigned flags) { - int status; - gfp_t gfp_mask; struct page *page; - gfp_t gfp_notmask = 0; + int fgp_flags = FGP_LOCK|FGP_ACCESSED|FGP_WRITE|FGP_CREAT; - gfp_mask = mapping_gfp_mask(mapping); - if (mapping_cap_account_dirty(mapping)) - gfp_mask |= __GFP_WRITE; if (flags & AOP_FLAG_NOFS) - gfp_notmask = __GFP_FS; -repeat: - page = find_lock_page(mapping, index); + fgp_flags |= FGP_NOFS; + + page = pagecache_get_page(mapping, index, fgp_flags, + mapping_gfp_mask(mapping)); if (page) - goto found; + wait_for_stable_page(page); - page = __page_cache_alloc(gfp_mask & ~gfp_notmask); - if (!page) - return NULL; - status = add_to_page_cache_lru(page, mapping, index, - GFP_KERNEL & ~gfp_notmask); - if (unlikely(status)) { - page_cache_release(page); - if (status == -EEXIST) - goto repeat; - return NULL; - } -found: - wait_for_stable_page(page); return page; } EXPORT_SYMBOL(grab_cache_page_write_begin); @@ -2555,7 +2511,7 @@ again: status = a_ops->write_begin(file, mapping, pos, bytes, flags, &page, &fsdata); - if (unlikely(status)) + if (unlikely(status < 0)) break; if (mapping_writably_mapped(mapping)) @@ -2564,7 +2520,6 @@ again: copied = iov_iter_copy_from_user_atomic(page, i, offset, bytes); flush_dcache_page(page); - mark_page_accessed(page); status = a_ops->write_end(file, mapping, pos, bytes, copied, page, fsdata); if (unlikely(status < 0)) diff --git a/mm/huge_memory.c b/mm/huge_memory.c index 331faa5c0d5..adce656d2e9 100644 --- a/mm/huge_memory.c +++ b/mm/huge_memory.c @@ -2273,6 +2273,30 @@ static void khugepaged_alloc_sleep(void) static int khugepaged_node_load[MAX_NUMNODES]; +static bool khugepaged_scan_abort(int nid) +{ + int i; + + /* + * If zone_reclaim_mode is disabled, then no extra effort is made to + * allocate memory locally. + */ + if (!zone_reclaim_mode) + return false; + + /* If there is a count for this node already, it must be acceptable */ + if (khugepaged_node_load[nid]) + return false; + + for (i = 0; i < MAX_NUMNODES; i++) { + if (!khugepaged_node_load[i]) + continue; + if (node_distance(nid, i) > RECLAIM_DISTANCE) + return true; + } + return false; +} + #ifdef CONFIG_NUMA static int khugepaged_find_target_node(void) { @@ -2589,6 +2613,8 @@ static int khugepaged_scan_pmd(struct mm_struct *mm, * hit record. */ node = page_to_nid(page); + if (khugepaged_scan_abort(node)) + goto out_unmap; khugepaged_node_load[node]++; VM_BUG_ON_PAGE(PageCompound(page), page); if (!PageLRU(page) || PageLocked(page) || !PageAnon(page)) diff --git a/mm/memory.c b/mm/memory.c index 924429e5ef4..7f30beaba74 100644 --- a/mm/memory.c +++ b/mm/memory.c @@ -878,7 +878,7 @@ out_set_pte: return 0; } -int copy_pte_range(struct mm_struct *dst_mm, struct mm_struct *src_mm, +static int copy_pte_range(struct mm_struct *dst_mm, struct mm_struct *src_mm, pmd_t *dst_pmd, pmd_t *src_pmd, struct vm_area_struct *vma, unsigned long addr, unsigned long end) { @@ -3646,7 +3646,7 @@ static int handle_pte_fault(struct mm_struct *mm, pte_t entry; spinlock_t *ptl; - entry = *pte; + entry = ACCESS_ONCE(*pte); if (!pte_present(entry)) { if (pte_none(entry)) { if (vma->vm_ops) { diff --git a/mm/page_alloc.c b/mm/page_alloc.c index 8c5ba3fe943..1aa521ff2c2 100644 --- a/mm/page_alloc.c +++ b/mm/page_alloc.c @@ -421,7 +421,8 @@ static int destroy_compound_page(struct page *page, unsigned long order) return bad; } -static inline void prep_zero_page(struct page *page, int order, gfp_t gfp_flags) +static inline void prep_zero_page(struct page *page, unsigned int order, + gfp_t gfp_flags) { int i; @@ -465,7 +466,7 @@ static inline void set_page_guard_flag(struct page *page) { } static inline void clear_page_guard_flag(struct page *page) { } #endif -static inline void set_page_order(struct page *page, int order) +static inline void set_page_order(struct page *page, unsigned int order) { set_page_private(page, order); __SetPageBuddy(page); @@ -516,21 +517,31 @@ __find_buddy_index(unsigned long page_idx, unsigned int order) * For recording page's order, we use page_private(page). */ static inline int page_is_buddy(struct page *page, struct page *buddy, - int order) + unsigned int order) { if (!pfn_valid_within(page_to_pfn(buddy))) return 0; - if (page_zone_id(page) != page_zone_id(buddy)) - return 0; - if (page_is_guard(buddy) && page_order(buddy) == order) { VM_BUG_ON_PAGE(page_count(buddy) != 0, buddy); + + if (page_zone_id(page) != page_zone_id(buddy)) + return 0; + return 1; } if (PageBuddy(buddy) && page_order(buddy) == order) { VM_BUG_ON_PAGE(page_count(buddy) != 0, buddy); + + /* + * zone check is done late to avoid uselessly + * calculating zone/node ids for pages that could + * never merge. + */ + if (page_zone_id(page) != page_zone_id(buddy)) + return 0; + return 1; } return 0; @@ -562,6 +573,7 @@ static inline int page_is_buddy(struct page *page, struct page *buddy, */ static inline void __free_one_page(struct page *page, + unsigned long pfn, struct zone *zone, unsigned int order, int migratetype) { @@ -578,7 +590,7 @@ static inline void __free_one_page(struct page *page, VM_BUG_ON(migratetype == -1); - page_idx = page_to_pfn(page) & ((1 << MAX_ORDER) - 1); + page_idx = pfn & ((1 << MAX_ORDER) - 1); VM_BUG_ON_PAGE(page_idx & ((1 << order) - 1), page); VM_BUG_ON_PAGE(bad_range(zone, page), page); @@ -679,9 +691,12 @@ static void free_pcppages_bulk(struct zone *zone, int count, int migratetype = 0; int batch_free = 0; int to_free = count; + unsigned long nr_scanned; spin_lock(&zone->lock); - zone->pages_scanned = 0; + nr_scanned = zone_page_state(zone, NR_PAGES_SCANNED); + if (nr_scanned) + __mod_zone_page_state(zone, NR_PAGES_SCANNED, -nr_scanned); while (to_free) { struct page *page; @@ -713,7 +728,7 @@ static void free_pcppages_bulk(struct zone *zone, int count, list_del(&page->lru); mt = get_freepage_migratetype(page); /* MIGRATE_MOVABLE list may include MIGRATE_RESERVEs */ - __free_one_page(page, zone, 0, mt); + __free_one_page(page, page_to_pfn(page), zone, 0, mt); trace_mm_page_pcpu_drain(page, 0, mt); if (likely(!is_migrate_isolate_page(page))) { __mod_zone_page_state(zone, NR_FREE_PAGES, 1); @@ -725,13 +740,18 @@ static void free_pcppages_bulk(struct zone *zone, int count, spin_unlock(&zone->lock); } -static void free_one_page(struct zone *zone, struct page *page, int order, +static void free_one_page(struct zone *zone, + struct page *page, unsigned long pfn, + unsigned int order, int migratetype) { + unsigned long nr_scanned; spin_lock(&zone->lock); - zone->pages_scanned = 0; + nr_scanned = zone_page_state(zone, NR_PAGES_SCANNED); + if (nr_scanned) + __mod_zone_page_state(zone, NR_PAGES_SCANNED, -nr_scanned); - __free_one_page(page, zone, order, migratetype); + __free_one_page(page, pfn, zone, order, migratetype); if (unlikely(!is_migrate_isolate(migratetype))) __mod_zone_freepage_state(zone, 1 << order, migratetype); spin_unlock(&zone->lock); @@ -768,15 +788,16 @@ static void __free_pages_ok(struct page *page, unsigned int order) { unsigned long flags; int migratetype; + unsigned long pfn = page_to_pfn(page); if (!free_pages_prepare(page, order)) return; + migratetype = get_pfnblock_migratetype(page, pfn); local_irq_save(flags); __count_vm_events(PGFREE, 1 << order); - migratetype = get_pageblock_migratetype(page); set_freepage_migratetype(page, migratetype); - free_one_page(page_zone(page), page, order, migratetype); + free_one_page(page_zone(page), page, pfn, order, migratetype); local_irq_restore(flags); } @@ -907,7 +928,7 @@ static inline int check_new_page(struct page *page) return 0; } -static int prep_new_page(struct page *page, int order, gfp_t gfp_flags) +static int prep_new_page(struct page *page, unsigned int order, gfp_t gfp_flags) { int i; @@ -1118,16 +1139,17 @@ static int try_to_steal_freepages(struct zone *zone, struct page *page, /* Remove an element from the buddy allocator from the fallback list */ static inline struct page * -__rmqueue_fallback(struct zone *zone, int order, int start_migratetype) +__rmqueue_fallback(struct zone *zone, unsigned int order, int start_migratetype) { struct free_area *area; - int current_order; + unsigned int current_order; struct page *page; int migratetype, new_type, i; /* Find the largest possible block of pages in the other list */ - for (current_order = MAX_ORDER-1; current_order >= order; - --current_order) { + for (current_order = MAX_ORDER-1; + current_order >= order && current_order <= MAX_ORDER-1; + --current_order) { for (i = 0;; i++) { migratetype = fallbacks[start_migratetype][i]; @@ -1207,7 +1229,7 @@ retry_reserve: */ static int rmqueue_bulk(struct zone *zone, unsigned int order, unsigned long count, struct list_head *list, - int migratetype, int cold) + int migratetype, bool cold) { int i; @@ -1226,7 +1248,7 @@ static int rmqueue_bulk(struct zone *zone, unsigned int order, * merge IO requests if the physical pages are ordered * properly. */ - if (likely(cold == 0)) + if (likely(!cold)) list_add(&page->lru, list); else list_add_tail(&page->lru, list); @@ -1355,7 +1377,7 @@ void mark_free_pages(struct zone *zone) { unsigned long pfn, max_zone_pfn; unsigned long flags; - int order, t; + unsigned int order, t; struct list_head *curr; if (zone_is_empty(zone)) @@ -1387,19 +1409,20 @@ void mark_free_pages(struct zone *zone) /* * Free a 0-order page - * cold == 1 ? free a cold page : free a hot page + * cold == true ? free a cold page : free a hot page */ -void free_hot_cold_page(struct page *page, int cold) +void free_hot_cold_page(struct page *page, bool cold) { struct zone *zone = page_zone(page); struct per_cpu_pages *pcp; unsigned long flags; + unsigned long pfn = page_to_pfn(page); int migratetype; if (!free_pages_prepare(page, 0)) return; - migratetype = get_pageblock_migratetype(page); + migratetype = get_pfnblock_migratetype(page, pfn); set_freepage_migratetype(page, migratetype); local_irq_save(flags); __count_vm_event(PGFREE); @@ -1413,17 +1436,17 @@ void free_hot_cold_page(struct page *page, int cold) */ if (migratetype >= MIGRATE_PCPTYPES) { if (unlikely(is_migrate_isolate(migratetype))) { - free_one_page(zone, page, 0, migratetype); + free_one_page(zone, page, pfn, 0, migratetype); goto out; } migratetype = MIGRATE_MOVABLE; } pcp = &this_cpu_ptr(zone->pageset)->pcp; - if (cold) - list_add_tail(&page->lru, &pcp->lists[migratetype]); - else + if (!cold) list_add(&page->lru, &pcp->lists[migratetype]); + else + list_add_tail(&page->lru, &pcp->lists[migratetype]); pcp->count++; if (pcp->count >= pcp->high) { unsigned long batch = ACCESS_ONCE(pcp->batch); @@ -1438,7 +1461,7 @@ out: /* * Free a list of 0-order pages */ -void free_hot_cold_page_list(struct list_head *list, int cold) +void free_hot_cold_page_list(struct list_head *list, bool cold) { struct page *page, *next; @@ -1550,12 +1573,12 @@ int split_free_page(struct page *page) */ static inline struct page *buffered_rmqueue(struct zone *preferred_zone, - struct zone *zone, int order, gfp_t gfp_flags, - int migratetype) + struct zone *zone, unsigned int order, + gfp_t gfp_flags, int migratetype) { unsigned long flags; struct page *page; - int cold = !!(gfp_flags & __GFP_COLD); + bool cold = ((gfp_flags & __GFP_COLD) != 0); again: if (likely(order == 0)) { @@ -1604,6 +1627,9 @@ again: } __mod_zone_page_state(zone, NR_ALLOC_BATCH, -(1 << order)); + if (zone_page_state(zone, NR_ALLOC_BATCH) == 0 && + !zone_is_fair_depleted(zone)) + zone_set_flag(zone, ZONE_FAIR_DEPLETED); __count_zone_vm_events(PGALLOC, zone, 1 << order); zone_statistics(preferred_zone, zone, gfp_flags); @@ -1700,12 +1726,12 @@ static inline bool should_fail_alloc_page(gfp_t gfp_mask, unsigned int order) * Return true if free pages are above 'mark'. This takes into account the order * of the allocation. */ -static bool __zone_watermark_ok(struct zone *z, int order, unsigned long mark, - int classzone_idx, int alloc_flags, long free_pages) +static bool __zone_watermark_ok(struct zone *z, unsigned int order, + unsigned long mark, int classzone_idx, int alloc_flags, + long free_pages) { /* free_pages my go negative - that's OK */ long min = mark; - long lowmem_reserve = z->lowmem_reserve[classzone_idx]; int o; long free_cma = 0; @@ -1720,7 +1746,7 @@ static bool __zone_watermark_ok(struct zone *z, int order, unsigned long mark, free_cma = zone_page_state(z, NR_FREE_CMA_PAGES); #endif - if (free_pages - free_cma <= min + lowmem_reserve) + if (free_pages - free_cma <= min + z->lowmem_reserve[classzone_idx]) return false; for (o = 0; o < order; o++) { /* At the next order, this order's pages become unavailable */ @@ -1735,15 +1761,15 @@ static bool __zone_watermark_ok(struct zone *z, int order, unsigned long mark, return true; } -bool zone_watermark_ok(struct zone *z, int order, unsigned long mark, +bool zone_watermark_ok(struct zone *z, unsigned int order, unsigned long mark, int classzone_idx, int alloc_flags) { return __zone_watermark_ok(z, order, mark, classzone_idx, alloc_flags, zone_page_state(z, NR_FREE_PAGES)); } -bool zone_watermark_ok_safe(struct zone *z, int order, unsigned long mark, - int classzone_idx, int alloc_flags) +bool zone_watermark_ok_safe(struct zone *z, unsigned int order, + unsigned long mark, int classzone_idx, int alloc_flags) { long free_pages = zone_page_state(z, NR_FREE_PAGES); @@ -1928,6 +1954,18 @@ static inline void init_zone_allows_reclaim(int nid) } #endif /* CONFIG_NUMA */ +static void reset_alloc_batches(struct zone *preferred_zone) +{ + struct zone *zone = preferred_zone->zone_pgdat->node_zones; + + do { + mod_zone_page_state(zone, NR_ALLOC_BATCH, + high_wmark_pages(zone) - low_wmark_pages(zone) - + atomic_long_read(&zone->vm_stat[NR_ALLOC_BATCH])); + zone_clear_flag(zone, ZONE_FAIR_DEPLETED); + } while (zone++ != preferred_zone); +} + /* * get_page_from_freelist goes through the zonelist trying to allocate * a page. @@ -1935,18 +1973,22 @@ static inline void init_zone_allows_reclaim(int nid) static struct page * get_page_from_freelist(gfp_t gfp_mask, nodemask_t *nodemask, unsigned int order, struct zonelist *zonelist, int high_zoneidx, int alloc_flags, - struct zone *preferred_zone, int migratetype) + struct zone *preferred_zone, int classzone_idx, int migratetype) { struct zoneref *z; struct page *page = NULL; - int classzone_idx; struct zone *zone; nodemask_t *allowednodes = NULL;/* zonelist_cache approximation */ int zlc_active = 0; /* set if using zonelist_cache */ int did_zlc_setup = 0; /* just call zlc_setup() one time */ + bool consider_zone_dirty = (alloc_flags & ALLOC_WMARK_LOW) && + (gfp_mask & __GFP_WRITE); + int nr_fair_skipped = 0; + bool zonelist_rescan; - classzone_idx = zone_idx(preferred_zone); zonelist_scan: + zonelist_rescan = false; + /* * Scan zonelist, looking for a zone with enough free. * See also __cpuset_node_allowed_softwall() comment in kernel/cpuset.c. @@ -1958,12 +2000,10 @@ zonelist_scan: if (IS_ENABLED(CONFIG_NUMA) && zlc_active && !zlc_zone_worth_trying(zonelist, z, allowednodes)) continue; - if ((alloc_flags & ALLOC_CPUSET) && + if (cpusets_enabled() && + (alloc_flags & ALLOC_CPUSET) && !cpuset_zone_allowed_softwall(zone, gfp_mask)) continue; - BUILD_BUG_ON(ALLOC_NO_WATERMARKS < NR_WMARK); - if (unlikely(alloc_flags & ALLOC_NO_WATERMARKS)) - goto try_this_zone; /* * Distribute pages in proportion to the individual * zone size to ensure fair page aging. The zone a @@ -1972,9 +2012,11 @@ zonelist_scan: */ if (alloc_flags & ALLOC_FAIR) { if (!zone_local(preferred_zone, zone)) + break; + if (zone_is_fair_depleted(zone)) { + nr_fair_skipped++; continue; - if (atomic_long_read(&zone->vm_stat[NR_ALLOC_BATCH]) <= 0) - continue; + } } /* * When allocating a page cache page for writing, we @@ -2002,15 +2044,19 @@ zonelist_scan: * will require awareness of zones in the * dirty-throttling and the flusher threads. */ - if ((alloc_flags & ALLOC_WMARK_LOW) && - (gfp_mask & __GFP_WRITE) && !zone_dirty_ok(zone)) - goto this_zone_full; + if (consider_zone_dirty && !zone_dirty_ok(zone)) + continue; mark = zone->watermark[alloc_flags & ALLOC_WMARK_MASK]; if (!zone_watermark_ok(zone, order, mark, classzone_idx, alloc_flags)) { int ret; + /* Checked here to keep the fast path fast */ + BUILD_BUG_ON(ALLOC_NO_WATERMARKS < NR_WMARK); + if (alloc_flags & ALLOC_NO_WATERMARKS) + goto try_this_zone; + if (IS_ENABLED(CONFIG_NUMA) && !did_zlc_setup && nr_online_nodes > 1) { /* @@ -2072,17 +2118,11 @@ try_this_zone: if (page) break; this_zone_full: - if (IS_ENABLED(CONFIG_NUMA)) + if (IS_ENABLED(CONFIG_NUMA) && zlc_active) zlc_mark_zone_full(zonelist, z); } - if (unlikely(IS_ENABLED(CONFIG_NUMA) && page == NULL && zlc_active)) { - /* Disable zlc cache for second zonelist scan */ - zlc_active = 0; - goto zonelist_scan; - } - - if (page) + if (page) { /* * page->pfmemalloc is set when ALLOC_NO_WATERMARKS was * necessary to allocate the page. The expectation is @@ -2091,8 +2131,37 @@ this_zone_full: * for !PFMEMALLOC purposes. */ page->pfmemalloc = !!(alloc_flags & ALLOC_NO_WATERMARKS); + return page; + } - return page; + /* + * The first pass makes sure allocations are spread fairly within the + * local node. However, the local node might have free pages left + * after the fairness batches are exhausted, and remote zones haven't + * even been considered yet. Try once more without fairness, and + * include remote zones now, before entering the slowpath and waking + * kswapd: prefer spilling to a remote zone over swapping locally. + */ + if (alloc_flags & ALLOC_FAIR) { + alloc_flags &= ~ALLOC_FAIR; + if (nr_fair_skipped) { + zonelist_rescan = true; + reset_alloc_batches(preferred_zone); + } + if (nr_online_nodes > 1) + zonelist_rescan = true; + } + + if (unlikely(IS_ENABLED(CONFIG_NUMA) && zlc_active)) { + /* Disable zlc cache for second zonelist scan */ + zlc_active = 0; + zonelist_rescan = true; + } + + if (zonelist_rescan) + goto zonelist_scan; + + return NULL; } /* @@ -2201,7 +2270,7 @@ static inline struct page * __alloc_pages_may_oom(gfp_t gfp_mask, unsigned int order, struct zonelist *zonelist, enum zone_type high_zoneidx, nodemask_t *nodemask, struct zone *preferred_zone, - int migratetype) + int classzone_idx, int migratetype) { struct page *page; @@ -2227,7 +2296,7 @@ __alloc_pages_may_oom(gfp_t gfp_mask, unsigned int order, page = get_page_from_freelist(gfp_mask|__GFP_HARDWALL, nodemask, order, zonelist, high_zoneidx, ALLOC_WMARK_HIGH|ALLOC_CPUSET, - preferred_zone, migratetype); + preferred_zone, classzone_idx, migratetype); if (page) goto out; @@ -2262,7 +2331,7 @@ static struct page * __alloc_pages_direct_compact(gfp_t gfp_mask, unsigned int order, struct zonelist *zonelist, enum zone_type high_zoneidx, nodemask_t *nodemask, int alloc_flags, struct zone *preferred_zone, - int migratetype, enum migrate_mode mode, + int classzone_idx, int migratetype, enum migrate_mode mode, bool *contended_compaction, bool *deferred_compaction, unsigned long *did_some_progress) { @@ -2290,7 +2359,7 @@ __alloc_pages_direct_compact(gfp_t gfp_mask, unsigned int order, page = get_page_from_freelist(gfp_mask, nodemask, order, zonelist, high_zoneidx, alloc_flags & ~ALLOC_NO_WATERMARKS, - preferred_zone, migratetype); + preferred_zone, classzone_idx, migratetype); if (page) { preferred_zone->compact_blockskip_flush = false; compaction_defer_reset(preferred_zone, order, true); @@ -2322,7 +2391,8 @@ static inline struct page * __alloc_pages_direct_compact(gfp_t gfp_mask, unsigned int order, struct zonelist *zonelist, enum zone_type high_zoneidx, nodemask_t *nodemask, int alloc_flags, struct zone *preferred_zone, - int migratetype, enum migrate_mode mode, bool *contended_compaction, + int classzone_idx, int migratetype, + enum migrate_mode mode, bool *contended_compaction, bool *deferred_compaction, unsigned long *did_some_progress) { return NULL; @@ -2362,7 +2432,7 @@ static inline struct page * __alloc_pages_direct_reclaim(gfp_t gfp_mask, unsigned int order, struct zonelist *zonelist, enum zone_type high_zoneidx, nodemask_t *nodemask, int alloc_flags, struct zone *preferred_zone, - int migratetype, unsigned long *did_some_progress) + int classzone_idx, int migratetype, unsigned long *did_some_progress) { struct page *page = NULL; bool drained = false; @@ -2380,7 +2450,8 @@ retry: page = get_page_from_freelist(gfp_mask, nodemask, order, zonelist, high_zoneidx, alloc_flags & ~ALLOC_NO_WATERMARKS, - preferred_zone, migratetype); + preferred_zone, classzone_idx, + migratetype); /* * If an allocation failed after direct reclaim, it could be because @@ -2403,14 +2474,14 @@ static inline struct page * __alloc_pages_high_priority(gfp_t gfp_mask, unsigned int order, struct zonelist *zonelist, enum zone_type high_zoneidx, nodemask_t *nodemask, struct zone *preferred_zone, - int migratetype) + int classzone_idx, int migratetype) { struct page *page; do { page = get_page_from_freelist(gfp_mask, nodemask, order, zonelist, high_zoneidx, ALLOC_NO_WATERMARKS, - preferred_zone, migratetype); + preferred_zone, classzone_idx, migratetype); if (!page && gfp_mask & __GFP_NOFAIL) wait_iff_congested(preferred_zone, BLK_RW_ASYNC, HZ/50); @@ -2419,28 +2490,6 @@ __alloc_pages_high_priority(gfp_t gfp_mask, unsigned int order, return page; } -static void reset_alloc_batches(struct zonelist *zonelist, - enum zone_type high_zoneidx, - struct zone *preferred_zone) -{ - struct zoneref *z; - struct zone *zone; - - for_each_zone_zonelist(zone, z, zonelist, high_zoneidx) { - /* - * Only reset the batches of zones that were actually - * considered in the fairness pass, we don't want to - * trash fairness information for zones that are not - * actually part of this zonelist's round-robin cycle. - */ - if (!zone_local(preferred_zone, zone)) - continue; - mod_zone_page_state(zone, NR_ALLOC_BATCH, - high_wmark_pages(zone) - low_wmark_pages(zone) - - atomic_long_read(&zone->vm_stat[NR_ALLOC_BATCH])); - } -} - static void wake_all_kswapds(unsigned int order, struct zonelist *zonelist, enum zone_type high_zoneidx, @@ -2511,7 +2560,7 @@ static inline struct page * __alloc_pages_slowpath(gfp_t gfp_mask, unsigned int order, struct zonelist *zonelist, enum zone_type high_zoneidx, nodemask_t *nodemask, struct zone *preferred_zone, - int migratetype) + int classzone_idx, int migratetype) { const gfp_t wait = gfp_mask & __GFP_WAIT; struct page *page = NULL; @@ -2560,15 +2609,19 @@ restart: * Find the true preferred zone if the allocation is unconstrained by * cpusets. */ - if (!(alloc_flags & ALLOC_CPUSET) && !nodemask) - first_zones_zonelist(zonelist, high_zoneidx, NULL, - &preferred_zone); + if (!(alloc_flags & ALLOC_CPUSET) && !nodemask) { + struct zoneref *preferred_zoneref; + preferred_zoneref = first_zones_zonelist(zonelist, high_zoneidx, + NULL, + &preferred_zone); + classzone_idx = zonelist_zone_idx(preferred_zoneref); + } rebalance: /* This is the last chance, in general, before the goto nopage. */ page = get_page_from_freelist(gfp_mask, nodemask, order, zonelist, high_zoneidx, alloc_flags & ~ALLOC_NO_WATERMARKS, - preferred_zone, migratetype); + preferred_zone, classzone_idx, migratetype); if (page) goto got_pg; @@ -2583,7 +2636,7 @@ rebalance: page = __alloc_pages_high_priority(gfp_mask, order, zonelist, high_zoneidx, nodemask, - preferred_zone, migratetype); + preferred_zone, classzone_idx, migratetype); if (page) { goto got_pg; } @@ -2614,7 +2667,8 @@ rebalance: */ page = __alloc_pages_direct_compact(gfp_mask, order, zonelist, high_zoneidx, nodemask, alloc_flags, - preferred_zone, migratetype, + preferred_zone, + classzone_idx, migratetype, migration_mode, &contended_compaction, &deferred_compaction, &did_some_progress); @@ -2637,7 +2691,8 @@ rebalance: zonelist, high_zoneidx, nodemask, alloc_flags, preferred_zone, - migratetype, &did_some_progress); + classzone_idx, migratetype, + &did_some_progress); if (page) goto got_pg; @@ -2656,7 +2711,7 @@ rebalance: page = __alloc_pages_may_oom(gfp_mask, order, zonelist, high_zoneidx, nodemask, preferred_zone, - migratetype); + classzone_idx, migratetype); if (page) goto got_pg; @@ -2697,7 +2752,8 @@ rebalance: */ page = __alloc_pages_direct_compact(gfp_mask, order, zonelist, high_zoneidx, nodemask, alloc_flags, - preferred_zone, migratetype, + preferred_zone, + classzone_idx, migratetype, migration_mode, &contended_compaction, &deferred_compaction, &did_some_progress); @@ -2724,11 +2780,13 @@ __alloc_pages_nodemask(gfp_t gfp_mask, unsigned int order, { enum zone_type high_zoneidx = gfp_zone(gfp_mask); struct zone *preferred_zone; + struct zoneref *preferred_zoneref; struct page *page = NULL; int migratetype = allocflags_to_migratetype(gfp_mask); unsigned int cpuset_mems_cookie; int alloc_flags = ALLOC_WMARK_LOW|ALLOC_CPUSET|ALLOC_FAIR; struct mem_cgroup *memcg = NULL; + int classzone_idx; gfp_mask &= gfp_allowed_mask; @@ -2758,39 +2816,23 @@ retry_cpuset: cpuset_mems_cookie = read_mems_allowed_begin(); /* The preferred zone is used for statistics later */ - first_zones_zonelist(zonelist, high_zoneidx, + preferred_zoneref = first_zones_zonelist(zonelist, high_zoneidx, nodemask ? : &cpuset_current_mems_allowed, &preferred_zone); if (!preferred_zone) goto out; + classzone_idx = zonelist_zone_idx(preferred_zoneref); #ifdef CONFIG_CMA if (allocflags_to_migratetype(gfp_mask) == MIGRATE_MOVABLE) alloc_flags |= ALLOC_CMA; #endif -retry: /* First allocation attempt */ page = get_page_from_freelist(gfp_mask|__GFP_HARDWALL, nodemask, order, zonelist, high_zoneidx, alloc_flags, - preferred_zone, migratetype); + preferred_zone, classzone_idx, migratetype); if (unlikely(!page)) { /* - * The first pass makes sure allocations are spread - * fairly within the local node. However, the local - * node might have free pages left after the fairness - * batches are exhausted, and remote zones haven't - * even been considered yet. Try once more without - * fairness, and include remote zones now, before - * entering the slowpath and waking kswapd: prefer - * spilling to a remote zone over swapping locally. - */ - if (alloc_flags & ALLOC_FAIR) { - reset_alloc_batches(zonelist, high_zoneidx, - preferred_zone); - alloc_flags &= ~ALLOC_FAIR; - goto retry; - } - /* * Runtime PM, block IO and its error handling path * can deadlock because I/O on the device might not * complete. @@ -2798,7 +2840,7 @@ retry: gfp_mask = memalloc_noio_flags(gfp_mask); page = __alloc_pages_slowpath(gfp_mask, order, zonelist, high_zoneidx, nodemask, - preferred_zone, migratetype); + preferred_zone, classzone_idx, migratetype); } trace_mm_page_alloc(page, order, gfp_mask, migratetype); @@ -2849,7 +2891,7 @@ void __free_pages(struct page *page, unsigned int order) { if (put_page_testzero(page)) { if (order == 0) - free_hot_cold_page(page, 0); + free_hot_cold_page(page, false); else __free_pages_ok(page, order); } @@ -3233,12 +3275,12 @@ void show_free_areas(unsigned int filter) K(zone_page_state(zone, NR_BOUNCE)), K(zone_page_state(zone, NR_FREE_CMA_PAGES)), K(zone_page_state(zone, NR_WRITEBACK_TEMP)), - zone->pages_scanned, + K(zone_page_state(zone, NR_PAGES_SCANNED)), (!zone_reclaimable(zone) ? "yes" : "no") ); printk("lowmem_reserve[]:"); for (i = 0; i < MAX_NR_ZONES; i++) - printk(" %lu", zone->lowmem_reserve[i]); + printk(" %ld", zone->lowmem_reserve[i]); printk("\n"); } @@ -4126,7 +4168,7 @@ void __meminit memmap_init_zone(unsigned long size, int nid, unsigned long zone, static void __meminit zone_init_free_lists(struct zone *zone) { - int order, t; + unsigned int order, t; for_each_migratetype_order(order, t) { INIT_LIST_HEAD(&zone->free_area[order].free_list[t]); zone->free_area[order].nr_free = 0; @@ -5566,7 +5608,7 @@ static void calculate_totalreserve_pages(void) for_each_online_pgdat(pgdat) { for (i = 0; i < MAX_NR_ZONES; i++) { struct zone *zone = pgdat->node_zones + i; - unsigned long max = 0; + long max = 0; /* Find valid and maximum lowmem_reserve in the zone */ for (j = i; j < MAX_NR_ZONES; j++) { @@ -6060,17 +6102,16 @@ static inline int pfn_to_bitidx(struct zone *zone, unsigned long pfn) * @end_bitidx: The last bit of interest * returns pageblock_bits flags */ -unsigned long get_pageblock_flags_mask(struct page *page, +unsigned long get_pfnblock_flags_mask(struct page *page, unsigned long pfn, unsigned long end_bitidx, unsigned long mask) { struct zone *zone; unsigned long *bitmap; - unsigned long pfn, bitidx, word_bitidx; + unsigned long bitidx, word_bitidx; unsigned long word; zone = page_zone(page); - pfn = page_to_pfn(page); bitmap = get_pageblock_bitmap(zone, pfn); bitidx = pfn_to_bitidx(zone, pfn); word_bitidx = bitidx / BITS_PER_LONG; @@ -6082,25 +6123,25 @@ unsigned long get_pageblock_flags_mask(struct page *page, } /** - * set_pageblock_flags_mask - Set the requested group of flags for a pageblock_nr_pages block of pages + * set_pfnblock_flags_mask - Set the requested group of flags for a pageblock_nr_pages block of pages * @page: The page within the block of interest * @start_bitidx: The first bit of interest * @end_bitidx: The last bit of interest * @flags: The flags to set */ -void set_pageblock_flags_mask(struct page *page, unsigned long flags, +void set_pfnblock_flags_mask(struct page *page, unsigned long flags, + unsigned long pfn, unsigned long end_bitidx, unsigned long mask) { struct zone *zone; unsigned long *bitmap; - unsigned long pfn, bitidx, word_bitidx; + unsigned long bitidx, word_bitidx; unsigned long old_word, word; BUILD_BUG_ON(NR_PAGEBLOCK_BITS != 4); zone = page_zone(page); - pfn = page_to_pfn(page); bitmap = get_pageblock_bitmap(zone, pfn); bitidx = pfn_to_bitidx(zone, pfn); word_bitidx = bitidx / BITS_PER_LONG; @@ -6472,7 +6513,7 @@ __offline_isolated_pages(unsigned long start_pfn, unsigned long end_pfn) { struct page *page; struct zone *zone; - int order, i; + unsigned int order, i; unsigned long pfn; unsigned long flags; /* find the first valid pfn */ @@ -6524,7 +6565,7 @@ bool is_free_buddy_page(struct page *page) struct zone *zone = page_zone(page); unsigned long pfn = page_to_pfn(page); unsigned long flags; - int order; + unsigned int order; spin_lock_irqsave(&zone->lock, flags); for (order = 0; order < MAX_ORDER; order++) { diff --git a/mm/shmem.c b/mm/shmem.c index 6eed8ebba3a..dd44129d38c 100644 --- a/mm/shmem.c +++ b/mm/shmem.c @@ -1035,6 +1035,9 @@ repeat: goto failed; } + if (page && sgp == SGP_WRITE) + mark_page_accessed(page); + /* fallocated page? */ if (page && !PageUptodate(page)) { if (sgp != SGP_READ) @@ -1116,6 +1119,9 @@ repeat: shmem_recalc_inode(inode); spin_unlock(&info->lock); + if (sgp == SGP_WRITE) + mark_page_accessed(page); + delete_from_swap_cache(page); set_page_dirty(page); swap_free(swap); @@ -1140,8 +1146,11 @@ repeat: goto decused; } - SetPageSwapBacked(page); + __SetPageSwapBacked(page); __set_page_locked(page); + if (sgp == SGP_WRITE) + init_page_accessed(page); + error = mem_cgroup_cache_charge(page, current->mm, gfp & GFP_RECLAIM_MASK); if (error) diff --git a/mm/swap.c b/mm/swap.c index c8048d71c64..d2ceddf70d4 100644 --- a/mm/swap.c +++ b/mm/swap.c @@ -67,7 +67,7 @@ static void __page_cache_release(struct page *page) static void __put_single_page(struct page *page) { __page_cache_release(page); - free_hot_cold_page(page, 0); + free_hot_cold_page(page, false); } static void __put_compound_page(struct page *page) @@ -469,7 +469,7 @@ static void __activate_page(struct page *page, struct lruvec *lruvec, SetPageActive(page); lru += LRU_ACTIVE; add_page_to_lru_list(page, lruvec, lru); - trace_mm_lru_activate(page, page_to_pfn(page)); + trace_mm_lru_activate(page); __count_vm_event(PGACTIVATE); update_page_reclaim_stat(lruvec, file, 1); @@ -581,12 +581,17 @@ void mark_page_accessed(struct page *page) EXPORT_SYMBOL(mark_page_accessed); /* - * Queue the page for addition to the LRU via pagevec. The decision on whether - * to add the page to the [in]active [file|anon] list is deferred until the - * pagevec is drained. This gives a chance for the caller of __lru_cache_add() - * have the page added to the active list using mark_page_accessed(). + * Used to mark_page_accessed(page) that is not visible yet and when it is + * still safe to use non-atomic ops */ -void __lru_cache_add(struct page *page) +void init_page_accessed(struct page *page) +{ + if (!PageReferenced(page)) + __SetPageReferenced(page); +} +EXPORT_SYMBOL(init_page_accessed); + +static void __lru_cache_add(struct page *page) { struct pagevec *pvec = &get_cpu_var(lru_add_pvec); @@ -596,11 +601,34 @@ void __lru_cache_add(struct page *page) pagevec_add(pvec, page); put_cpu_var(lru_add_pvec); } -EXPORT_SYMBOL(__lru_cache_add); + +/** + * lru_cache_add: add a page to the page lists + * @page: the page to add + */ +void lru_cache_add_anon(struct page *page) +{ + if (PageActive(page)) + ClearPageActive(page); + __lru_cache_add(page); +} + +void lru_cache_add_file(struct page *page) +{ + if (PageActive(page)) + ClearPageActive(page); + __lru_cache_add(page); +} +EXPORT_SYMBOL(lru_cache_add_file); /** * lru_cache_add - add a page to a page list * @page: the page to be added to the LRU. + * + * Queue the page for addition to the LRU via pagevec. The decision on whether + * to add the page to the [in]active [file|anon] list is deferred until the + * pagevec is drained. This gives a chance for the caller of lru_cache_add() + * have the page added to the active list using mark_page_accessed(). */ void lru_cache_add(struct page *page) { @@ -811,7 +839,7 @@ void lru_add_drain_all(void) * grabbed the page via the LRU. If it did, give up: shrink_inactive_list() * will free it. */ -void release_pages(struct page **pages, int nr, int cold) +void release_pages(struct page **pages, int nr, bool cold) { int i; LIST_HEAD(pages_to_free); @@ -852,7 +880,7 @@ void release_pages(struct page **pages, int nr, int cold) } /* Clear Active bit in case of parallel mark_page_accessed */ - ClearPageActive(page); + __ClearPageActive(page); list_add(&page->lru, &pages_to_free); } @@ -934,7 +962,7 @@ static void __pagevec_lru_add_fn(struct page *page, struct lruvec *lruvec, SetPageLRU(page); add_page_to_lru_list(page, lruvec, lru); update_page_reclaim_stat(lruvec, file, active); - trace_mm_lru_insertion(page, page_to_pfn(page), lru, trace_pagemap_flags(page)); + trace_mm_lru_insertion(page, lru); } /* diff --git a/mm/swap_state.c b/mm/swap_state.c index e76ace30d43..2972eee184a 100644 --- a/mm/swap_state.c +++ b/mm/swap_state.c @@ -270,7 +270,7 @@ void free_pages_and_swap_cache(struct page **pages, int nr) for (i = 0; i < todo; i++) free_swap_cache(pagep[i]); - release_pages(pagep, todo, 0); + release_pages(pagep, todo, false); pagep += todo; nr -= todo; } diff --git a/mm/vmalloc.c b/mm/vmalloc.c index 0fdf96803c5..aa3891e8e38 100644 --- a/mm/vmalloc.c +++ b/mm/vmalloc.c @@ -2681,14 +2681,14 @@ void get_vmalloc_info(struct vmalloc_info *vmi) prev_end = VMALLOC_START; - spin_lock(&vmap_area_lock); + rcu_read_lock(); if (list_empty(&vmap_area_list)) { vmi->largest_chunk = VMALLOC_TOTAL; goto out; } - list_for_each_entry(va, &vmap_area_list, list) { + list_for_each_entry_rcu(va, &vmap_area_list, list) { unsigned long addr = va->va_start; /* @@ -2715,7 +2715,7 @@ void get_vmalloc_info(struct vmalloc_info *vmi) vmi->largest_chunk = VMALLOC_END - prev_end; out: - spin_unlock(&vmap_area_lock); + rcu_read_unlock(); } #endif diff --git a/mm/vmscan.c b/mm/vmscan.c index af0556bdd68..4514c5a2f3b 100644 --- a/mm/vmscan.c +++ b/mm/vmscan.c @@ -164,7 +164,8 @@ static unsigned long zone_reclaimable_pages(struct zone *zone) bool zone_reclaimable(struct zone *zone) { - return zone->pages_scanned < zone_reclaimable_pages(zone) * 6; + return zone_page_state(zone, NR_PAGES_SCANNED) < + zone_reclaimable_pages(zone) * 6; } static unsigned long get_lru_size(struct lruvec *lruvec, enum lru_list lru) @@ -1150,7 +1151,7 @@ keep: VM_BUG_ON_PAGE(PageLRU(page) || PageUnevictable(page), page); } - free_hot_cold_page_list(&free_pages, 1); + free_hot_cold_page_list(&free_pages, true); list_splice(&ret_pages, page_list); count_vm_events(PGACTIVATE, pgactivate); @@ -1513,7 +1514,7 @@ shrink_inactive_list(unsigned long nr_to_scan, struct lruvec *lruvec, __mod_zone_page_state(zone, NR_ISOLATED_ANON + file, nr_taken); if (global_reclaim(sc)) { - zone->pages_scanned += nr_scanned; + __mod_zone_page_state(zone, NR_PAGES_SCANNED, nr_scanned); if (current_is_kswapd()) __count_zone_vm_events(PGSCAN_KSWAPD, zone, nr_scanned); else @@ -1548,7 +1549,7 @@ shrink_inactive_list(unsigned long nr_to_scan, struct lruvec *lruvec, spin_unlock_irq(&zone->lru_lock); - free_hot_cold_page_list(&page_list, 1); + free_hot_cold_page_list(&page_list, true); /* * If reclaim is isolating dirty pages under writeback, it implies @@ -1702,7 +1703,7 @@ static void shrink_active_list(unsigned long nr_to_scan, nr_taken = isolate_lru_pages(nr_to_scan, lruvec, &l_hold, &nr_scanned, sc, isolate_mode, lru); if (global_reclaim(sc)) - zone->pages_scanned += nr_scanned; + __mod_zone_page_state(zone, NR_PAGES_SCANNED, nr_scanned); reclaim_stat->recent_scanned[file] += nr_taken; @@ -1768,7 +1769,7 @@ static void shrink_active_list(unsigned long nr_to_scan, __mod_zone_page_state(zone, NR_ISOLATED_ANON + file, -nr_taken); spin_unlock_irq(&zone->lru_lock); - free_hot_cold_page_list(&l_hold, 1); + free_hot_cold_page_list(&l_hold, true); } #ifdef CONFIG_SWAP @@ -1890,7 +1891,7 @@ static void get_scan_count(struct lruvec *lruvec, struct scan_control *sc, struct zone *zone = lruvec_zone(lruvec); unsigned long anon_prio, file_prio; enum scan_balance scan_balance; - unsigned long anon, file, free; + unsigned long anon, file; bool force_scan = false; unsigned long ap, fp; enum lru_list lru; @@ -1938,11 +1939,6 @@ static void get_scan_count(struct lruvec *lruvec, struct scan_control *sc, goto out; } - anon = get_lru_size(lruvec, LRU_ACTIVE_ANON) + - get_lru_size(lruvec, LRU_INACTIVE_ANON); - file = get_lru_size(lruvec, LRU_ACTIVE_FILE) + - get_lru_size(lruvec, LRU_INACTIVE_FILE); - /* * If it's foreseeable that reclaiming the file cache won't be * enough to get the zone back into a desirable shape, we have @@ -1950,8 +1946,14 @@ static void get_scan_count(struct lruvec *lruvec, struct scan_control *sc, * thrashing - remaining file pages alone. */ if (global_reclaim(sc)) { - free = zone_page_state(zone, NR_FREE_PAGES); - if (unlikely(file + free <= high_wmark_pages(zone))) { + unsigned long zonefile; + unsigned long zonefree; + + zonefree = zone_page_state(zone, NR_FREE_PAGES); + zonefile = zone_page_state(zone, NR_ACTIVE_FILE) + + zone_page_state(zone, NR_INACTIVE_FILE); + + if (unlikely(zonefile + zonefree <= high_wmark_pages(zone))) { scan_balance = SCAN_ANON; goto out; } @@ -1986,6 +1988,12 @@ static void get_scan_count(struct lruvec *lruvec, struct scan_control *sc, * * anon in [0], file in [1] */ + + anon = get_lru_size(lruvec, LRU_ACTIVE_ANON) + + get_lru_size(lruvec, LRU_INACTIVE_ANON); + file = get_lru_size(lruvec, LRU_ACTIVE_FILE) + + get_lru_size(lruvec, LRU_INACTIVE_FILE); + spin_lock_irq(&zone->lru_lock); if (unlikely(reclaim_stat->recent_scanned[0] > anon / 4)) { reclaim_stat->recent_scanned[0] /= 2; diff --git a/mm/vmstat.c b/mm/vmstat.c index def5dd2fbe6..eded1909a69 100644 --- a/mm/vmstat.c +++ b/mm/vmstat.c @@ -200,7 +200,7 @@ void set_pgdat_percpu_threshold(pg_data_t *pgdat, continue; threshold = (*calculate_pressure)(zone); - for_each_possible_cpu(cpu) + for_each_online_cpu(cpu) per_cpu_ptr(zone->pageset, cpu)->stat_threshold = threshold; } @@ -761,6 +761,7 @@ const char * const vmstat_text[] = { "nr_shmem", "nr_dirtied", "nr_written", + "nr_pages_scanned", #ifdef CONFIG_NUMA "numa_hit", @@ -1055,7 +1056,7 @@ static void zoneinfo_show_print(struct seq_file *m, pg_data_t *pgdat, min_wmark_pages(zone), low_wmark_pages(zone), high_wmark_pages(zone), - zone->pages_scanned, + zone_page_state(zone, NR_PAGES_SCANNED), zone->spanned_pages, zone->present_pages, zone->managed_pages); @@ -1065,10 +1066,10 @@ static void zoneinfo_show_print(struct seq_file *m, pg_data_t *pgdat, zone_page_state(zone, i)); seq_printf(m, - "\n protection: (%lu", + "\n protection: (%ld", zone->lowmem_reserve[0]); for (i = 1; i < ARRAY_SIZE(zone->lowmem_reserve); i++) - seq_printf(m, ", %lu", zone->lowmem_reserve[i]); + seq_printf(m, ", %ld", zone->lowmem_reserve[i]); seq_printf(m, ")" "\n pagesets"); diff --git a/net/batman-adv/fragmentation.c b/net/batman-adv/fragmentation.c index c46387a4653..e5c5f573c0d 100644 --- a/net/batman-adv/fragmentation.c +++ b/net/batman-adv/fragmentation.c @@ -251,7 +251,7 @@ batadv_frag_merge_packets(struct hlist_head *chain, struct sk_buff *skb) kfree(entry); /* Make room for the rest of the fragments. */ - if (pskb_expand_head(skb_out, 0, size - skb->len, GFP_ATOMIC) < 0) { + if (pskb_expand_head(skb_out, 0, size - skb_out->len, GFP_ATOMIC) < 0) { kfree_skb(skb_out); skb_out = NULL; goto free; @@ -434,7 +434,7 @@ bool batadv_frag_send_packet(struct sk_buff *skb, * fragments larger than BATADV_FRAG_MAX_FRAG_SIZE */ mtu = min_t(unsigned, mtu, BATADV_FRAG_MAX_FRAG_SIZE); - max_fragment_size = (mtu - header_size - ETH_HLEN); + max_fragment_size = mtu - header_size; max_packet_size = max_fragment_size * BATADV_FRAG_MAX_FRAGMENTS; /* Don't even try to fragment, if we need more than 16 fragments */ diff --git a/net/batman-adv/gateway_client.c b/net/batman-adv/gateway_client.c index 36b9ae61f5e..2393ea72d65 100644 --- a/net/batman-adv/gateway_client.c +++ b/net/batman-adv/gateway_client.c @@ -812,7 +812,7 @@ bool batadv_gw_out_of_range(struct batadv_priv *bat_priv, goto out; gw_node = batadv_gw_node_get(bat_priv, orig_dst_node); - if (!gw_node->bandwidth_down == 0) + if (!gw_node) goto out; switch (atomic_read(&bat_priv->gw_mode)) { diff --git a/net/core/dev.c b/net/core/dev.c index 3ed11a55583..86bb9cc81f0 100644 --- a/net/core/dev.c +++ b/net/core/dev.c @@ -1709,6 +1709,7 @@ int dev_forward_skb(struct net_device *dev, struct sk_buff *skb) skb_scrub_packet(skb, true); skb->protocol = eth_type_trans(skb, dev); + skb_postpull_rcsum(skb, eth_hdr(skb), ETH_HLEN); return netif_rx_internal(skb); } @@ -2529,11 +2530,14 @@ netdev_features_t netif_skb_dev_features(struct sk_buff *skb, if (skb_shinfo(skb)->gso_segs > dev->gso_max_segs) features &= ~NETIF_F_GSO_MASK; - if (protocol == htons(ETH_P_8021Q) || protocol == htons(ETH_P_8021AD)) { - struct vlan_ethhdr *veh = (struct vlan_ethhdr *)skb->data; - protocol = veh->h_vlan_encapsulated_proto; - } else if (!vlan_tx_tag_present(skb)) { - return harmonize_features(skb, dev, features); + if (!vlan_tx_tag_present(skb)) { + if (unlikely(protocol == htons(ETH_P_8021Q) || + protocol == htons(ETH_P_8021AD))) { + struct vlan_ethhdr *veh = (struct vlan_ethhdr *)skb->data; + protocol = veh->h_vlan_encapsulated_proto; + } else { + return harmonize_features(skb, dev, features); + } } features &= (dev->vlan_features | NETIF_F_HW_VLAN_CTAG_TX | @@ -4701,9 +4705,14 @@ static void netdev_adjacent_sysfs_del(struct net_device *dev, sysfs_remove_link(&(dev->dev.kobj), linkname); } -#define netdev_adjacent_is_neigh_list(dev, dev_list) \ - (dev_list == &dev->adj_list.upper || \ - dev_list == &dev->adj_list.lower) +static inline bool netdev_adjacent_is_neigh_list(struct net_device *dev, + struct net_device *adj_dev, + struct list_head *dev_list) +{ + return (dev_list == &dev->adj_list.upper || + dev_list == &dev->adj_list.lower) && + net_eq(dev_net(dev), dev_net(adj_dev)); +} static int __netdev_adjacent_dev_insert(struct net_device *dev, struct net_device *adj_dev, @@ -4733,7 +4742,7 @@ static int __netdev_adjacent_dev_insert(struct net_device *dev, pr_debug("dev_hold for %s, because of link added from %s to %s\n", adj_dev->name, dev->name, adj_dev->name); - if (netdev_adjacent_is_neigh_list(dev, dev_list)) { + if (netdev_adjacent_is_neigh_list(dev, adj_dev, dev_list)) { ret = netdev_adjacent_sysfs_add(dev, adj_dev, dev_list); if (ret) goto free_adj; @@ -4754,7 +4763,7 @@ static int __netdev_adjacent_dev_insert(struct net_device *dev, return 0; remove_symlinks: - if (netdev_adjacent_is_neigh_list(dev, dev_list)) + if (netdev_adjacent_is_neigh_list(dev, adj_dev, dev_list)) netdev_adjacent_sysfs_del(dev, adj_dev->name, dev_list); free_adj: kfree(adj); @@ -4787,7 +4796,7 @@ static void __netdev_adjacent_dev_remove(struct net_device *dev, if (adj->master) sysfs_remove_link(&(dev->dev.kobj), "master"); - if (netdev_adjacent_is_neigh_list(dev, dev_list)) + if (netdev_adjacent_is_neigh_list(dev, adj_dev, dev_list)) netdev_adjacent_sysfs_del(dev, adj_dev->name, dev_list); list_del_rcu(&adj->list); @@ -5057,11 +5066,65 @@ void netdev_upper_dev_unlink(struct net_device *dev, } EXPORT_SYMBOL(netdev_upper_dev_unlink); +void netdev_adjacent_add_links(struct net_device *dev) +{ + struct netdev_adjacent *iter; + + struct net *net = dev_net(dev); + + list_for_each_entry(iter, &dev->adj_list.upper, list) { + if (!net_eq(net,dev_net(iter->dev))) + continue; + netdev_adjacent_sysfs_add(iter->dev, dev, + &iter->dev->adj_list.lower); + netdev_adjacent_sysfs_add(dev, iter->dev, + &dev->adj_list.upper); + } + + list_for_each_entry(iter, &dev->adj_list.lower, list) { + if (!net_eq(net,dev_net(iter->dev))) + continue; + netdev_adjacent_sysfs_add(iter->dev, dev, + &iter->dev->adj_list.upper); + netdev_adjacent_sysfs_add(dev, iter->dev, + &dev->adj_list.lower); + } +} + +void netdev_adjacent_del_links(struct net_device *dev) +{ + struct netdev_adjacent *iter; + + struct net *net = dev_net(dev); + + list_for_each_entry(iter, &dev->adj_list.upper, list) { + if (!net_eq(net,dev_net(iter->dev))) + continue; + netdev_adjacent_sysfs_del(iter->dev, dev->name, + &iter->dev->adj_list.lower); + netdev_adjacent_sysfs_del(dev, iter->dev->name, + &dev->adj_list.upper); + } + + list_for_each_entry(iter, &dev->adj_list.lower, list) { + if (!net_eq(net,dev_net(iter->dev))) + continue; + netdev_adjacent_sysfs_del(iter->dev, dev->name, + &iter->dev->adj_list.upper); + netdev_adjacent_sysfs_del(dev, iter->dev->name, + &dev->adj_list.lower); + } +} + void netdev_adjacent_rename_links(struct net_device *dev, char *oldname) { struct netdev_adjacent *iter; + struct net *net = dev_net(dev); + list_for_each_entry(iter, &dev->adj_list.upper, list) { + if (!net_eq(net,dev_net(iter->dev))) + continue; netdev_adjacent_sysfs_del(iter->dev, oldname, &iter->dev->adj_list.lower); netdev_adjacent_sysfs_add(iter->dev, dev, @@ -5069,6 +5132,8 @@ void netdev_adjacent_rename_links(struct net_device *dev, char *oldname) } list_for_each_entry(iter, &dev->adj_list.lower, list) { + if (!net_eq(net,dev_net(iter->dev))) + continue; netdev_adjacent_sysfs_del(iter->dev, oldname, &iter->dev->adj_list.upper); netdev_adjacent_sysfs_add(iter->dev, dev, @@ -6675,6 +6740,7 @@ int dev_change_net_namespace(struct net_device *dev, struct net *net, const char /* Send a netdev-removed uevent to the old namespace */ kobject_uevent(&dev->dev.kobj, KOBJ_REMOVE); + netdev_adjacent_del_links(dev); /* Actually switch the network namespace */ dev_net_set(dev, net); @@ -6689,6 +6755,7 @@ int dev_change_net_namespace(struct net_device *dev, struct net *net, const char /* Send a netdev-add uevent to the new namespace */ kobject_uevent(&dev->dev.kobj, KOBJ_ADD); + netdev_adjacent_add_links(dev); /* Fixup kobjects */ err = device_rename(&dev->dev, dev->name); diff --git a/net/core/skbuff.c b/net/core/skbuff.c index baf6fc457df..e2b1bba6988 100644 --- a/net/core/skbuff.c +++ b/net/core/skbuff.c @@ -3937,6 +3937,7 @@ void skb_scrub_packet(struct sk_buff *skb, bool xnet) skb->local_df = 0; skb_dst_drop(skb); skb->mark = 0; + skb_init_secmark(skb); secpath_reset(skb); nf_reset(skb); nf_reset_trace(skb); diff --git a/net/ipv4/ip_gre.c b/net/ipv4/ip_gre.c index 94213c89156..b40b90d3bd2 100644 --- a/net/ipv4/ip_gre.c +++ b/net/ipv4/ip_gre.c @@ -250,10 +250,6 @@ static netdev_tx_t ipgre_xmit(struct sk_buff *skb, struct ip_tunnel *tunnel = netdev_priv(dev); const struct iphdr *tnl_params; - skb = gre_handle_offloads(skb, !!(tunnel->parms.o_flags&TUNNEL_CSUM)); - if (IS_ERR(skb)) - goto out; - if (dev->header_ops) { /* Need space for new headers */ if (skb_cow_head(skb, dev->needed_headroom - @@ -266,6 +262,7 @@ static netdev_tx_t ipgre_xmit(struct sk_buff *skb, * to gre header. */ skb_pull(skb, tunnel->hlen + sizeof(struct iphdr)); + skb_reset_mac_header(skb); } else { if (skb_cow_head(skb, dev->needed_headroom)) goto free_skb; @@ -273,6 +270,10 @@ static netdev_tx_t ipgre_xmit(struct sk_buff *skb, tnl_params = &tunnel->parms.iph; } + skb = gre_handle_offloads(skb, !!(tunnel->parms.o_flags&TUNNEL_CSUM)); + if (IS_ERR(skb)) + goto out; + __gre_xmit(skb, dev, tnl_params, skb->protocol); return NETDEV_TX_OK; diff --git a/net/ipv4/tcp_output.c b/net/ipv4/tcp_output.c index 4fe588d9cbf..240ddeb481a 100644 --- a/net/ipv4/tcp_output.c +++ b/net/ipv4/tcp_output.c @@ -1894,7 +1894,7 @@ static bool tcp_write_xmit(struct sock *sk, unsigned int mss_now, int nonagle, if (unlikely(!tcp_snd_wnd_test(tp, skb, mss_now))) break; - if (tso_segs == 1) { + if (tso_segs == 1 || !sk->sk_gso_max_segs) { if (unlikely(!tcp_nagle_test(tp, skb, mss_now, (tcp_skb_is_last(sk, skb) ? nonagle : TCP_NAGLE_PUSH)))) @@ -1931,7 +1931,7 @@ static bool tcp_write_xmit(struct sock *sk, unsigned int mss_now, int nonagle, } limit = mss_now; - if (tso_segs > 1 && !tcp_urg_mode(tp)) + if (tso_segs > 1 && sk->sk_gso_max_segs && !tcp_urg_mode(tp)) limit = tcp_mss_split_point(sk, skb, mss_now, min_t(unsigned int, cwnd_quota, diff --git a/net/netfilter/ipset/ip_set_core.c b/net/netfilter/ipset/ip_set_core.c index cf9937743ab..53ea1644a29 100644 --- a/net/netfilter/ipset/ip_set_core.c +++ b/net/netfilter/ipset/ip_set_core.c @@ -1839,6 +1839,12 @@ ip_set_sockfn_get(struct sock *sk, int optval, void __user *user, int *len) if (*op < IP_SET_OP_VERSION) { /* Check the version at the beginning of operations */ struct ip_set_req_version *req_version = data; + + if (*len < sizeof(struct ip_set_req_version)) { + ret = -EINVAL; + goto done; + } + if (req_version->version != IPSET_PROTOCOL) { ret = -EPROTO; goto done; diff --git a/net/netfilter/ipvs/ip_vs_ftp.c b/net/netfilter/ipvs/ip_vs_ftp.c index 77c173282f3..4a662f15eae 100644 --- a/net/netfilter/ipvs/ip_vs_ftp.c +++ b/net/netfilter/ipvs/ip_vs_ftp.c @@ -183,6 +183,8 @@ static int ip_vs_ftp_out(struct ip_vs_app *app, struct ip_vs_conn *cp, struct nf_conn *ct; struct net *net; + *diff = 0; + #ifdef CONFIG_IP_VS_IPV6 /* This application helper doesn't work with IPv6 yet, * so turn this into a no-op for IPv6 packets @@ -191,8 +193,6 @@ static int ip_vs_ftp_out(struct ip_vs_app *app, struct ip_vs_conn *cp, return 1; #endif - *diff = 0; - /* Only useful for established sessions */ if (cp->state != IP_VS_TCP_S_ESTABLISHED) return 1; @@ -321,6 +321,9 @@ static int ip_vs_ftp_in(struct ip_vs_app *app, struct ip_vs_conn *cp, struct ip_vs_conn *n_cp; struct net *net; + /* no diff required for incoming packets */ + *diff = 0; + #ifdef CONFIG_IP_VS_IPV6 /* This application helper doesn't work with IPv6 yet, * so turn this into a no-op for IPv6 packets @@ -329,9 +332,6 @@ static int ip_vs_ftp_in(struct ip_vs_app *app, struct ip_vs_conn *cp, return 1; #endif - /* no diff required for incoming packets */ - *diff = 0; - /* Only useful for established sessions */ if (cp->state != IP_VS_TCP_S_ESTABLISHED) return 1; diff --git a/net/netfilter/nfnetlink.c b/net/netfilter/nfnetlink.c index bf8a108b46e..6cf2f077e09 100644 --- a/net/netfilter/nfnetlink.c +++ b/net/netfilter/nfnetlink.c @@ -265,7 +265,8 @@ replay: nlh = nlmsg_hdr(skb); err = 0; - if (nlh->nlmsg_len < NLMSG_HDRLEN) { + if (nlmsg_len(nlh) < sizeof(struct nfgenmsg) || + skb->len < nlh->nlmsg_len) { err = -EINVAL; goto ack; } diff --git a/net/netfilter/xt_qtaguid.c b/net/netfilter/xt_qtaguid.c index 0ad8d7a896c..e33be3aaf09 100644 --- a/net/netfilter/xt_qtaguid.c +++ b/net/netfilter/xt_qtaguid.c @@ -1658,6 +1658,7 @@ static bool qtaguid_mt(const struct sk_buff *skb, struct xt_action_param *par) struct sock *sk; kuid_t sock_uid; bool res; + bool set_sk_callback_lock = false; if (unlikely(module_passive)) return (info->match ^ info->invert) == 0; @@ -1715,6 +1716,8 @@ static bool qtaguid_mt(const struct sk_buff *skb, struct xt_action_param *par) MT_DEBUG("qtaguid[%d]: sk=%p got_sock=%d fam=%d proto=%d\n", par->hooknum, sk, got_sock, par->family, ipx_proto(skb, par)); if (sk != NULL) { + set_sk_callback_lock = true; + read_lock_bh(&sk->sk_callback_lock); MT_DEBUG("qtaguid[%d]: sk=%p->sk_socket=%p->file=%p\n", par->hooknum, sk, sk->sk_socket, sk->sk_socket ? sk->sk_socket->file : (void *)-1LL); @@ -1773,8 +1776,8 @@ static bool qtaguid_mt(const struct sk_buff *skb, struct xt_action_param *par) kuid_t uid_min = make_kuid(&init_user_ns, info->uid_min); kuid_t uid_max = make_kuid(&init_user_ns, info->uid_max); - if (uid_gte(filp->f_cred->fsuid, uid_min) && - uid_lte(filp->f_cred->fsuid, uid_max) ^ + if ((uid_gte(filp->f_cred->fsuid, uid_min) && + uid_lte(filp->f_cred->fsuid, uid_max)) ^ !(info->invert & XT_QTAGUID_UID)) { MT_DEBUG("qtaguid[%d]: leaving uid not matching\n", par->hooknum); @@ -1786,8 +1789,8 @@ static bool qtaguid_mt(const struct sk_buff *skb, struct xt_action_param *par) kgid_t gid_min = make_kgid(&init_user_ns, info->gid_min); kgid_t gid_max = make_kgid(&init_user_ns, info->gid_max); - if (gid_gte(filp->f_cred->fsgid, gid_min) && - gid_lte(filp->f_cred->fsgid, gid_max) ^ + if ((gid_gte(filp->f_cred->fsgid, gid_min) && + gid_lte(filp->f_cred->fsgid, gid_max)) ^ !(info->invert & XT_QTAGUID_GID)) { MT_DEBUG("qtaguid[%d]: leaving gid not matching\n", par->hooknum); @@ -1801,6 +1804,8 @@ static bool qtaguid_mt(const struct sk_buff *skb, struct xt_action_param *par) put_sock_ret_res: if (got_sock) xt_socket_put_sk(sk); + if (set_sk_callback_lock) + read_unlock_bh(&sk->sk_callback_lock); ret_res: MT_DEBUG("qtaguid[%d]: left %d\n", par->hooknum, res); return res; diff --git a/net/netlink/af_netlink.c b/net/netlink/af_netlink.c index 7c177bc4380..1d52506bda1 100644 --- a/net/netlink/af_netlink.c +++ b/net/netlink/af_netlink.c @@ -510,14 +510,14 @@ out: return err; } -static void netlink_frame_flush_dcache(const struct nl_mmap_hdr *hdr) +static void netlink_frame_flush_dcache(const struct nl_mmap_hdr *hdr, unsigned int nm_len) { #if ARCH_IMPLEMENTS_FLUSH_DCACHE_PAGE == 1 struct page *p_start, *p_end; /* First page is flushed through netlink_{get,set}_status */ p_start = pgvec_to_page(hdr + PAGE_SIZE); - p_end = pgvec_to_page((void *)hdr + NL_MMAP_HDRLEN + hdr->nm_len - 1); + p_end = pgvec_to_page((void *)hdr + NL_MMAP_HDRLEN + nm_len - 1); while (p_start <= p_end) { flush_dcache_page(p_start); p_start++; @@ -535,9 +535,9 @@ static enum nl_mmap_status netlink_get_status(const struct nl_mmap_hdr *hdr) static void netlink_set_status(struct nl_mmap_hdr *hdr, enum nl_mmap_status status) { + smp_mb(); hdr->nm_status = status; flush_dcache_page(pgvec_to_page(hdr)); - smp_wmb(); } static struct nl_mmap_hdr * @@ -699,24 +699,16 @@ static int netlink_mmap_sendmsg(struct sock *sk, struct msghdr *msg, struct nl_mmap_hdr *hdr; struct sk_buff *skb; unsigned int maxlen; - bool excl = true; int err = 0, len = 0; - /* Netlink messages are validated by the receiver before processing. - * In order to avoid userspace changing the contents of the message - * after validation, the socket and the ring may only be used by a - * single process, otherwise we fall back to copying. - */ - if (atomic_long_read(&sk->sk_socket->file->f_count) > 1 || - atomic_read(&nlk->mapped) > 1) - excl = false; - mutex_lock(&nlk->pg_vec_lock); ring = &nlk->tx_ring; maxlen = ring->frame_size - NL_MMAP_HDRLEN; do { + unsigned int nm_len; + hdr = netlink_current_frame(ring, NL_MMAP_STATUS_VALID); if (hdr == NULL) { if (!(msg->msg_flags & MSG_DONTWAIT) && @@ -724,35 +716,23 @@ static int netlink_mmap_sendmsg(struct sock *sk, struct msghdr *msg, schedule(); continue; } - if (hdr->nm_len > maxlen) { + + nm_len = ACCESS_ONCE(hdr->nm_len); + if (nm_len > maxlen) { err = -EINVAL; goto out; } - netlink_frame_flush_dcache(hdr); + netlink_frame_flush_dcache(hdr, nm_len); - if (likely(dst_portid == 0 && dst_group == 0 && excl)) { - skb = alloc_skb_head(GFP_KERNEL); - if (skb == NULL) { - err = -ENOBUFS; - goto out; - } - sock_hold(sk); - netlink_ring_setup_skb(skb, sk, ring, hdr); - NETLINK_CB(skb).flags |= NETLINK_SKB_TX; - __skb_put(skb, hdr->nm_len); - netlink_set_status(hdr, NL_MMAP_STATUS_RESERVED); - atomic_inc(&ring->pending); - } else { - skb = alloc_skb(hdr->nm_len, GFP_KERNEL); - if (skb == NULL) { - err = -ENOBUFS; - goto out; - } - __skb_put(skb, hdr->nm_len); - memcpy(skb->data, (void *)hdr + NL_MMAP_HDRLEN, hdr->nm_len); - netlink_set_status(hdr, NL_MMAP_STATUS_UNUSED); + skb = alloc_skb(nm_len, GFP_KERNEL); + if (skb == NULL) { + err = -ENOBUFS; + goto out; } + __skb_put(skb, nm_len); + memcpy(skb->data, (void *)hdr + NL_MMAP_HDRLEN, nm_len); + netlink_set_status(hdr, NL_MMAP_STATUS_UNUSED); netlink_increment_head(ring); @@ -798,7 +778,7 @@ static void netlink_queue_mmaped_skb(struct sock *sk, struct sk_buff *skb) hdr->nm_pid = NETLINK_CB(skb).creds.pid; hdr->nm_uid = from_kuid(sk_user_ns(sk), NETLINK_CB(skb).creds.uid); hdr->nm_gid = from_kgid(sk_user_ns(sk), NETLINK_CB(skb).creds.gid); - netlink_frame_flush_dcache(hdr); + netlink_frame_flush_dcache(hdr, hdr->nm_len); netlink_set_status(hdr, NL_MMAP_STATUS_VALID); NETLINK_CB(skb).flags |= NETLINK_SKB_DELIVERED; diff --git a/net/wireless/chan.c b/net/wireless/chan.c index 78559b5bbd1..27157a7801e 100644 --- a/net/wireless/chan.c +++ b/net/wireless/chan.c @@ -516,7 +516,7 @@ bool cfg80211_chandef_usable(struct wiphy *wiphy, { struct ieee80211_sta_ht_cap *ht_cap; struct ieee80211_sta_vht_cap *vht_cap; - u32 width, control_freq; + u32 width, control_freq, cap; if (WARN_ON(!cfg80211_chandef_valid(chandef))) return false; @@ -554,7 +554,8 @@ bool cfg80211_chandef_usable(struct wiphy *wiphy, return false; break; case NL80211_CHAN_WIDTH_80P80: - if (!(vht_cap->cap & IEEE80211_VHT_CAP_SUPP_CHAN_WIDTH_160_80PLUS80MHZ)) + cap = vht_cap->cap & IEEE80211_VHT_CAP_SUPP_CHAN_WIDTH_MASK; + if (cap != IEEE80211_VHT_CAP_SUPP_CHAN_WIDTH_160_80PLUS80MHZ) return false; case NL80211_CHAN_WIDTH_80: if (!vht_cap->vht_supported) @@ -565,7 +566,9 @@ bool cfg80211_chandef_usable(struct wiphy *wiphy, case NL80211_CHAN_WIDTH_160: if (!vht_cap->vht_supported) return false; - if (!(vht_cap->cap & IEEE80211_VHT_CAP_SUPP_CHAN_WIDTH_160MHZ)) + cap = vht_cap->cap & IEEE80211_VHT_CAP_SUPP_CHAN_WIDTH_MASK; + if (cap != IEEE80211_VHT_CAP_SUPP_CHAN_WIDTH_160MHZ && + cap != IEEE80211_VHT_CAP_SUPP_CHAN_WIDTH_160_80PLUS80MHZ) return false; prohibited_flags |= IEEE80211_CHAN_NO_160MHZ; width = 160; diff --git a/net/wireless/reg.c b/net/wireless/reg.c index 338794ea44d..04d530560ec 100644 --- a/net/wireless/reg.c +++ b/net/wireless/reg.c @@ -1547,7 +1547,7 @@ static enum reg_request_treatment reg_process_hint_driver(struct wiphy *wiphy, struct regulatory_request *driver_request) { - const struct ieee80211_regdomain *regd; + const struct ieee80211_regdomain *regd, *tmp; enum reg_request_treatment treatment; treatment = __reg_process_hint_driver(driver_request); @@ -1566,7 +1566,10 @@ reg_process_hint_driver(struct wiphy *wiphy, kfree(driver_request); return REG_REQ_IGNORE; } + + tmp = get_wiphy_regdom(wiphy); rcu_assign_pointer(wiphy->regd, regd); + rcu_free_regdom(tmp); } @@ -1625,11 +1628,8 @@ __reg_process_hint_country_ie(struct wiphy *wiphy, return REG_REQ_IGNORE; return REG_REQ_ALREADY_SET; } - /* - * Two consecutive Country IE hints on the same wiphy. - * This should be picked up early by the driver/stack - */ - if (WARN_ON(regdom_changes(country_ie_request->alpha2))) + + if (regdom_changes(country_ie_request->alpha2)) return REG_REQ_OK; return REG_REQ_ALREADY_SET; } diff --git a/scripts/recordmcount.pl b/scripts/recordmcount.pl index 91280b82da0..513f7bd85cb 100755 --- a/scripts/recordmcount.pl +++ b/scripts/recordmcount.pl @@ -262,7 +262,6 @@ if ($arch eq "x86_64") { # force flags for this arch $ld .= " -m shlelf_linux"; $objcopy .= " -O elf32-sh-linux"; - $cc .= " -m32"; } elsif ($arch eq "powerpc") { $local_regex = "^[0-9a-fA-F]+\\s+t\\s+(\\.?\\S+)"; diff --git a/security/keys/gc.c b/security/keys/gc.c index d3222b6d7d5..009d9370c8f 100644 --- a/security/keys/gc.c +++ b/security/keys/gc.c @@ -157,12 +157,12 @@ static noinline void key_gc_unused_keys(struct list_head *keys) if (test_bit(KEY_FLAG_INSTANTIATED, &key->flags)) atomic_dec(&key->user->nikeys); - key_user_put(key->user); - /* now throw away the key memory */ if (key->type->destroy) key->type->destroy(key); + key_user_put(key->user); + kfree(key->description); #ifdef KEY_DEBUGGING diff --git a/sound/usb/mixer.c b/sound/usb/mixer.c index 1bed780e21d..2d37b3fc3a2 100644 --- a/sound/usb/mixer.c +++ b/sound/usb/mixer.c @@ -886,6 +886,7 @@ static void volume_control_quirks(struct usb_mixer_elem_info *cval, case USB_ID(0x046d, 0x0807): /* Logitech Webcam C500 */ case USB_ID(0x046d, 0x0808): case USB_ID(0x046d, 0x0809): + case USB_ID(0x046d, 0x0819): /* Logitech Webcam C210 */ case USB_ID(0x046d, 0x081b): /* HD Webcam c310 */ case USB_ID(0x046d, 0x081d): /* HD Webcam c510 */ case USB_ID(0x046d, 0x0825): /* HD Webcam c270 */ diff --git a/sound/usb/quirks-table.h b/sound/usb/quirks-table.h index c657752a420..83bddbdb90e 100644 --- a/sound/usb/quirks-table.h +++ b/sound/usb/quirks-table.h @@ -2804,133 +2804,45 @@ YAMAHA_DEVICE(0x7010, "UB99"), } }, -/* Hauppauge HVR-950Q and HVR-850 */ -{ - USB_DEVICE_VENDOR_SPEC(0x2040, 0x7200), - .match_flags = USB_DEVICE_ID_MATCH_DEVICE | - USB_DEVICE_ID_MATCH_INT_CLASS | - USB_DEVICE_ID_MATCH_INT_SUBCLASS, - .bInterfaceClass = USB_CLASS_AUDIO, - .bInterfaceSubClass = USB_SUBCLASS_AUDIOCONTROL, - .driver_info = (unsigned long) &(const struct snd_usb_audio_quirk) { - .vendor_name = "Hauppauge", - .product_name = "HVR-950Q", - .ifnum = QUIRK_ANY_INTERFACE, - .type = QUIRK_AUDIO_ALIGN_TRANSFER, - } -}, -{ - USB_DEVICE_VENDOR_SPEC(0x2040, 0x7210), - .match_flags = USB_DEVICE_ID_MATCH_DEVICE | - USB_DEVICE_ID_MATCH_INT_CLASS | - USB_DEVICE_ID_MATCH_INT_SUBCLASS, - .bInterfaceClass = USB_CLASS_AUDIO, - .bInterfaceSubClass = USB_SUBCLASS_AUDIOCONTROL, - .driver_info = (unsigned long) &(const struct snd_usb_audio_quirk) { - .vendor_name = "Hauppauge", - .product_name = "HVR-950Q", - .ifnum = QUIRK_ANY_INTERFACE, - .type = QUIRK_AUDIO_ALIGN_TRANSFER, - } -}, -{ - USB_DEVICE_VENDOR_SPEC(0x2040, 0x7217), - .match_flags = USB_DEVICE_ID_MATCH_DEVICE | - USB_DEVICE_ID_MATCH_INT_CLASS | - USB_DEVICE_ID_MATCH_INT_SUBCLASS, - .bInterfaceClass = USB_CLASS_AUDIO, - .bInterfaceSubClass = USB_SUBCLASS_AUDIOCONTROL, - .driver_info = (unsigned long) &(const struct snd_usb_audio_quirk) { - .vendor_name = "Hauppauge", - .product_name = "HVR-950Q", - .ifnum = QUIRK_ANY_INTERFACE, - .type = QUIRK_AUDIO_ALIGN_TRANSFER, - } -}, -{ - USB_DEVICE_VENDOR_SPEC(0x2040, 0x721b), - .match_flags = USB_DEVICE_ID_MATCH_DEVICE | - USB_DEVICE_ID_MATCH_INT_CLASS | - USB_DEVICE_ID_MATCH_INT_SUBCLASS, - .bInterfaceClass = USB_CLASS_AUDIO, - .bInterfaceSubClass = USB_SUBCLASS_AUDIOCONTROL, - .driver_info = (unsigned long) &(const struct snd_usb_audio_quirk) { - .vendor_name = "Hauppauge", - .product_name = "HVR-950Q", - .ifnum = QUIRK_ANY_INTERFACE, - .type = QUIRK_AUDIO_ALIGN_TRANSFER, - } -}, -{ - USB_DEVICE_VENDOR_SPEC(0x2040, 0x721e), - .match_flags = USB_DEVICE_ID_MATCH_DEVICE | - USB_DEVICE_ID_MATCH_INT_CLASS | - USB_DEVICE_ID_MATCH_INT_SUBCLASS, - .bInterfaceClass = USB_CLASS_AUDIO, - .bInterfaceSubClass = USB_SUBCLASS_AUDIOCONTROL, - .driver_info = (unsigned long) &(const struct snd_usb_audio_quirk) { - .vendor_name = "Hauppauge", - .product_name = "HVR-950Q", - .ifnum = QUIRK_ANY_INTERFACE, - .type = QUIRK_AUDIO_ALIGN_TRANSFER, - } -}, -{ - USB_DEVICE_VENDOR_SPEC(0x2040, 0x721f), - .match_flags = USB_DEVICE_ID_MATCH_DEVICE | - USB_DEVICE_ID_MATCH_INT_CLASS | - USB_DEVICE_ID_MATCH_INT_SUBCLASS, - .bInterfaceClass = USB_CLASS_AUDIO, - .bInterfaceSubClass = USB_SUBCLASS_AUDIOCONTROL, - .driver_info = (unsigned long) &(const struct snd_usb_audio_quirk) { - .vendor_name = "Hauppauge", - .product_name = "HVR-950Q", - .ifnum = QUIRK_ANY_INTERFACE, - .type = QUIRK_AUDIO_ALIGN_TRANSFER, - } -}, -{ - USB_DEVICE_VENDOR_SPEC(0x2040, 0x7240), - .match_flags = USB_DEVICE_ID_MATCH_DEVICE | - USB_DEVICE_ID_MATCH_INT_CLASS | - USB_DEVICE_ID_MATCH_INT_SUBCLASS, - .bInterfaceClass = USB_CLASS_AUDIO, - .bInterfaceSubClass = USB_SUBCLASS_AUDIOCONTROL, - .driver_info = (unsigned long) &(const struct snd_usb_audio_quirk) { - .vendor_name = "Hauppauge", - .product_name = "HVR-850", - .ifnum = QUIRK_ANY_INTERFACE, - .type = QUIRK_AUDIO_ALIGN_TRANSFER, - } -}, -{ - USB_DEVICE_VENDOR_SPEC(0x2040, 0x7280), - .match_flags = USB_DEVICE_ID_MATCH_DEVICE | - USB_DEVICE_ID_MATCH_INT_CLASS | - USB_DEVICE_ID_MATCH_INT_SUBCLASS, - .bInterfaceClass = USB_CLASS_AUDIO, - .bInterfaceSubClass = USB_SUBCLASS_AUDIOCONTROL, - .driver_info = (unsigned long) &(const struct snd_usb_audio_quirk) { - .vendor_name = "Hauppauge", - .product_name = "HVR-950Q", - .ifnum = QUIRK_ANY_INTERFACE, - .type = QUIRK_AUDIO_ALIGN_TRANSFER, - } -}, -{ - USB_DEVICE_VENDOR_SPEC(0x0fd9, 0x0008), - .match_flags = USB_DEVICE_ID_MATCH_DEVICE | - USB_DEVICE_ID_MATCH_INT_CLASS | - USB_DEVICE_ID_MATCH_INT_SUBCLASS, - .bInterfaceClass = USB_CLASS_AUDIO, - .bInterfaceSubClass = USB_SUBCLASS_AUDIOCONTROL, - .driver_info = (unsigned long) &(const struct snd_usb_audio_quirk) { - .vendor_name = "Hauppauge", - .product_name = "HVR-950Q", - .ifnum = QUIRK_ANY_INTERFACE, - .type = QUIRK_AUDIO_ALIGN_TRANSFER, - } -}, +/* + * Auvitek au0828 devices with audio interface. + * This should be kept in sync with drivers/media/usb/au0828/au0828-cards.c + * Please notice that some drivers are DVB only, and don't need to be + * here. That's the case, for example, of DVICO_FUSIONHDTV7. + */ + +#define AU0828_DEVICE(vid, pid, vname, pname) { \ + USB_DEVICE_VENDOR_SPEC(vid, pid), \ + .match_flags = USB_DEVICE_ID_MATCH_DEVICE | \ + USB_DEVICE_ID_MATCH_INT_CLASS | \ + USB_DEVICE_ID_MATCH_INT_SUBCLASS, \ + .bInterfaceClass = USB_CLASS_AUDIO, \ + .bInterfaceSubClass = USB_SUBCLASS_AUDIOCONTROL, \ + .driver_info = (unsigned long) &(const struct snd_usb_audio_quirk) { \ + .vendor_name = vname, \ + .product_name = pname, \ + .ifnum = QUIRK_ANY_INTERFACE, \ + .type = QUIRK_AUDIO_ALIGN_TRANSFER, \ + } \ +} + +AU0828_DEVICE(0x2040, 0x7200, "Hauppauge", "HVR-950Q"), +AU0828_DEVICE(0x2040, 0x7240, "Hauppauge", "HVR-850"), +AU0828_DEVICE(0x2040, 0x7210, "Hauppauge", "HVR-950Q"), +AU0828_DEVICE(0x2040, 0x7217, "Hauppauge", "HVR-950Q"), +AU0828_DEVICE(0x2040, 0x721b, "Hauppauge", "HVR-950Q"), +AU0828_DEVICE(0x2040, 0x721e, "Hauppauge", "HVR-950Q"), +AU0828_DEVICE(0x2040, 0x721f, "Hauppauge", "HVR-950Q"), +AU0828_DEVICE(0x2040, 0x7280, "Hauppauge", "HVR-950Q"), +AU0828_DEVICE(0x0fd9, 0x0008, "Hauppauge", "HVR-950Q"), +AU0828_DEVICE(0x2040, 0x7201, "Hauppauge", "HVR-950Q-MXL"), +AU0828_DEVICE(0x2040, 0x7211, "Hauppauge", "HVR-950Q-MXL"), +AU0828_DEVICE(0x2040, 0x7281, "Hauppauge", "HVR-950Q-MXL"), +AU0828_DEVICE(0x05e1, 0x0480, "Hauppauge", "Woodbury"), +AU0828_DEVICE(0x2040, 0x8200, "Hauppauge", "Woodbury"), +AU0828_DEVICE(0x2040, 0x7260, "Hauppauge", "HVR-950Q"), +AU0828_DEVICE(0x2040, 0x7213, "Hauppauge", "HVR-950Q"), +AU0828_DEVICE(0x2040, 0x7270, "Hauppauge", "HVR-950Q"), /* Digidesign Mbox */ { diff --git a/ti_config_fragments/audio_display.cfg b/ti_config_fragments/audio_display.cfg index aa2d7f8c845..5d13d9894d8 100644 --- a/ti_config_fragments/audio_display.cfg +++ b/ti_config_fragments/audio_display.cfg @@ -3,19 +3,19 @@ ################################################## CONFIG_BACKLIGHT_PWM=y +CONFIG_BACKLIGHT_GPIO=y CONFIG_DRM=y -CONFIG_DRM_KMS_HELPER=y -CONFIG_DRM_KMS_FB_HELPER=y -CONFIG_DRM_GEM_CMA_HELPER=y -CONFIG_DRM_KMS_CMA_HELPER=y CONFIG_DRM_I2C_NXP_TDA998X=y CONFIG_DRM_TILCDC=y CONFIG_DRM_OMAP=y CONFIG_DRM_OMAP_NUM_CRTCS=2 -CONFIG_DISPLAY_PANEL_TLC59108=y +CONFIG_OMAP2_DSS=y CONFIG_OMAP5_DSS_HDMI=y + +CONFIG_DISPLAY_PANEL_DPI=y +CONFIG_DISPLAY_PANEL_TLC59108=y CONFIG_DISPLAY_CONNECTOR_HDMI=y CONFIG_DISPLAY_DRA7EVM_ENCODER_TPD12S015=y CONFIG_DISPLAY_ENCODER_TPD12S015=y @@ -48,6 +48,3 @@ CONFIG_SND_SIMPLE_CARD=m CONFIG_SND_OMAP_SOC_DRA7EVM=y CONFIG_SND_SOC_TLV320AIC31XX=m CONFIG_SND_SOC_TLV320AIC3X=m - -CONFIG_OMAP2_DSS=y -CONFIG_OMAP2_DSS_INIT=y diff --git a/ti_config_fragments/baseport.cfg b/ti_config_fragments/baseport.cfg index 83122225944..fabd82a4f8b 100644 --- a/ti_config_fragments/baseport.cfg +++ b/ti_config_fragments/baseport.cfg @@ -5,6 +5,9 @@ CONFIG_CGROUPS=y CONFIG_REGULATOR_GPIO=y +# pinctrl +CONFIG_PINCTRL_TI_IODELAY=y + # Crypto hardware accelerators CONFIG_CRYPTO_DEV_OMAP_SHAM=y CONFIG_CRYPTO_DEV_OMAP_AES=y @@ -12,7 +15,8 @@ CONFIG_CRYPTO_DEV_OMAP_DES=y CONFIG_CRYPTO_USER_API_HASH=y CONFIG_CRYPTO_USER_API_SKCIPHER=y -CONFIG_PREEMPT_VOLUNTARY=y +# CONFIG_PREEMPT_VOLUNTARY is not set +CONFIG_PREEMPT=y CONFIG_JUMP_LABEL=y diff --git a/ti_config_fragments/system_test.cfg b/ti_config_fragments/system_test.cfg index ba70e66b679..ce8fbeb0c98 100644 --- a/ti_config_fragments/system_test.cfg +++ b/ti_config_fragments/system_test.cfg @@ -3,11 +3,6 @@ ################################################## CONFIG_CRYPTO_MANAGER_DISABLE_TESTS=n CONFIG_CRYPTO_TEST=m -CONFIG_DEBUG_KMEMLEAK=y -CONFIG_DEBUG_KMEMLEAK_EARLY_LOG_SIZE=4000 -CONFIG_DEBUG_KMEMLEAK_TEST=n -CONFIG_DEBUG_KMEMLEAK_DEFAULT_OFF=n -CONFIG_DEBUG_INFO=y CONFIG_RTC_DEBUG=y CONFIG_TIGON3=m CONFIG_THERMAL_EMULATION=y diff --git a/ti_config_fragments/system_test_defconfig_fragment b/ti_config_fragments/system_test_defconfig_fragment index ed78066b3e7..a9382f97e8b 100644 --- a/ti_config_fragments/system_test_defconfig_fragment +++ b/ti_config_fragments/system_test_defconfig_fragment @@ -5,4 +5,5 @@ config-fragment=ti_config_fragments/power.cfg config-fragment=ti_config_fragments/connectivity.cfg config-fragment=ti_config_fragments/ipc.cfg config-fragment=ti_config_fragments/audio_display.cfg +config-fragment=ti_config_fragments/debug_options.cfg config-fragment=ti_config_fragments/system_test.cfg |