diff options
Diffstat (limited to 'arch')
40 files changed, 219 insertions, 108 deletions
diff --git a/arch/arm/boot/compressed/head.S b/arch/arm/boot/compressed/head.S index 8a756870c238..5f687ba1eaa7 100644 --- a/arch/arm/boot/compressed/head.S +++ b/arch/arm/boot/compressed/head.S @@ -29,19 +29,19 @@ #if defined(CONFIG_DEBUG_ICEDCC) #if defined(CONFIG_CPU_V6) || defined(CONFIG_CPU_V6K) || defined(CONFIG_CPU_V7) - .macro loadsp, rb, tmp + .macro loadsp, rb, tmp1, tmp2 .endm .macro writeb, ch, rb mcr p14, 0, \ch, c0, c5, 0 .endm #elif defined(CONFIG_CPU_XSCALE) - .macro loadsp, rb, tmp + .macro loadsp, rb, tmp1, tmp2 .endm .macro writeb, ch, rb mcr p14, 0, \ch, c8, c0, 0 .endm #else - .macro loadsp, rb, tmp + .macro loadsp, rb, tmp1, tmp2 .endm .macro writeb, ch, rb mcr p14, 0, \ch, c1, c0, 0 @@ -57,7 +57,7 @@ .endm #if defined(CONFIG_ARCH_SA1100) - .macro loadsp, rb, tmp + .macro loadsp, rb, tmp1, tmp2 mov \rb, #0x80000000 @ physical base address #ifdef CONFIG_DEBUG_LL_SER3 add \rb, \rb, #0x00050000 @ Ser3 @@ -66,8 +66,8 @@ #endif .endm #else - .macro loadsp, rb, tmp - addruart \rb, \tmp + .macro loadsp, rb, tmp1, tmp2 + addruart \rb, \tmp1, \tmp2 .endm #endif #endif @@ -559,8 +559,6 @@ not_relocated: mov r0, #0 bl decompress_kernel bl cache_clean_flush bl cache_off - mov r1, r7 @ restore architecture number - mov r2, r8 @ restore atags pointer #ifdef CONFIG_ARM_VIRT_EXT mrs r0, spsr @ Get saved CPU boot mode @@ -1295,7 +1293,7 @@ phex: adr r3, phexbuf b 1b @ puts corrupts {r0, r1, r2, r3} -puts: loadsp r3, r1 +puts: loadsp r3, r2, r1 1: ldrb r2, [r0], #1 teq r2, #0 moveq pc, lr @@ -1312,8 +1310,8 @@ puts: loadsp r3, r1 @ putc corrupts {r0, r1, r2, r3} putc: mov r2, r0 + loadsp r3, r1, r0 mov r0, #0 - loadsp r3, r1 b 2b @ memdump corrupts {r0, r1, r2, r3, r10, r11, r12, lr} @@ -1363,6 +1361,8 @@ __hyp_reentry_vectors: __enter_kernel: mov r0, #0 @ must be 0 + mov r1, r7 @ restore architecture number + mov r2, r8 @ restore atags pointer ARM( mov pc, r4 ) @ call kernel M_CLASS( add r4, r4, #1 ) @ enter in Thumb mode for M class THUMB( bx r4 ) @ entry point is always ARM for A/R classes diff --git a/arch/arm/boot/dts/bcm-cygnus.dtsi b/arch/arm/boot/dts/bcm-cygnus.dtsi index 7c957ea06c66..9a9902974b1b 100644 --- a/arch/arm/boot/dts/bcm-cygnus.dtsi +++ b/arch/arm/boot/dts/bcm-cygnus.dtsi @@ -69,7 +69,7 @@ timer@20200 { compatible = "arm,cortex-a9-global-timer"; reg = <0x20200 0x100>; - interrupts = <GIC_PPI 11 IRQ_TYPE_LEVEL_HIGH>; + interrupts = <GIC_PPI 11 IRQ_TYPE_EDGE_RISING>; clocks = <&periph_clk>; }; diff --git a/arch/arm/boot/dts/da850.dtsi b/arch/arm/boot/dts/da850.dtsi index af68ef7b0caa..8a15f7193c82 100644 --- a/arch/arm/boot/dts/da850.dtsi +++ b/arch/arm/boot/dts/da850.dtsi @@ -34,8 +34,6 @@ pmx_core: pinmux@14120 { compatible = "pinctrl-single"; reg = <0x14120 0x50>; - #address-cells = <1>; - #size-cells = <0>; #pinctrl-cells = <2>; pinctrl-single,bit-per-mux; pinctrl-single,register-width = <32>; diff --git a/arch/arm/boot/dts/logicpd-som-lv.dtsi b/arch/arm/boot/dts/logicpd-som-lv.dtsi index e262fa9ef334..c335b923753a 100644 --- a/arch/arm/boot/dts/logicpd-som-lv.dtsi +++ b/arch/arm/boot/dts/logicpd-som-lv.dtsi @@ -26,7 +26,7 @@ gpio = <&gpio1 3 0>; /* gpio_3 */ startup-delay-us = <70000>; enable-active-high; - vin-supply = <&vmmc2>; + vin-supply = <&vaux3>; }; /* HS USB Host PHY on PORT 1 */ @@ -108,6 +108,7 @@ twl_audio: audio { compatible = "ti,twl4030-audio"; codec { + ti,hs_extmute_gpio = <&gpio2 25 GPIO_ACTIVE_HIGH>; }; }; }; @@ -221,6 +222,7 @@ pinctrl-single,pins = < OMAP3_CORE1_IOPAD(0x21ba, PIN_INPUT | MUX_MODE0) /* i2c1_scl.i2c1_scl */ OMAP3_CORE1_IOPAD(0x21bc, PIN_INPUT | MUX_MODE0) /* i2c1_sda.i2c1_sda */ + OMAP3_CORE1_IOPAD(0x20ba, PIN_OUTPUT | MUX_MODE4) /* gpmc_ncs6.gpio_57 */ >; }; }; @@ -235,7 +237,7 @@ }; wl127x_gpio: pinmux_wl127x_gpio_pin { pinctrl-single,pins = < - OMAP3_WKUP_IOPAD(0x2a0c, PIN_INPUT | MUX_MODE4) /* sys_boot0.gpio_2 */ + OMAP3_WKUP_IOPAD(0x2a0a, PIN_INPUT | MUX_MODE4) /* sys_boot0.gpio_2 */ OMAP3_WKUP_IOPAD(0x2a0c, PIN_OUTPUT | MUX_MODE4) /* sys_boot1.gpio_3 */ >; }; @@ -270,6 +272,11 @@ #include "twl4030.dtsi" #include "twl4030_omap3.dtsi" +&vaux3 { + regulator-min-microvolt = <2800000>; + regulator-max-microvolt = <2800000>; +}; + &twl { twl_power: power { compatible = "ti,twl4030-power-idle-osc-off", "ti,twl4030-power-idle"; diff --git a/arch/arm/kernel/machine_kexec.c b/arch/arm/kernel/machine_kexec.c index 6b38d7a634c1..c15318431986 100644 --- a/arch/arm/kernel/machine_kexec.c +++ b/arch/arm/kernel/machine_kexec.c @@ -95,6 +95,27 @@ void machine_crash_nonpanic_core(void *unused) cpu_relax(); } +void crash_smp_send_stop(void) +{ + static int cpus_stopped; + unsigned long msecs; + + if (cpus_stopped) + return; + + atomic_set(&waiting_for_crash_ipi, num_online_cpus() - 1); + smp_call_function(machine_crash_nonpanic_core, NULL, false); + msecs = 1000; /* Wait at most a second for the other cpus to stop */ + while ((atomic_read(&waiting_for_crash_ipi) > 0) && msecs) { + mdelay(1); + msecs--; + } + if (atomic_read(&waiting_for_crash_ipi) > 0) + pr_warn("Non-crashing CPUs did not react to IPI\n"); + + cpus_stopped = 1; +} + static void machine_kexec_mask_interrupts(void) { unsigned int i; @@ -120,19 +141,8 @@ static void machine_kexec_mask_interrupts(void) void machine_crash_shutdown(struct pt_regs *regs) { - unsigned long msecs; - local_irq_disable(); - - atomic_set(&waiting_for_crash_ipi, num_online_cpus() - 1); - smp_call_function(machine_crash_nonpanic_core, NULL, false); - msecs = 1000; /* Wait at most a second for the other cpus to stop */ - while ((atomic_read(&waiting_for_crash_ipi) > 0) && msecs) { - mdelay(1); - msecs--; - } - if (atomic_read(&waiting_for_crash_ipi) > 0) - pr_warn("Non-crashing CPUs did not react to IPI\n"); + crash_smp_send_stop(); crash_save_cpu(regs, smp_processor_id()); machine_kexec_mask_interrupts(); diff --git a/arch/arm/mach-davinci/board-da830-evm.c b/arch/arm/mach-davinci/board-da830-evm.c index f673cd7a6766..fb7c44cdadcb 100644 --- a/arch/arm/mach-davinci/board-da830-evm.c +++ b/arch/arm/mach-davinci/board-da830-evm.c @@ -205,12 +205,17 @@ static const short da830_evm_mmc_sd_pins[] = { -1 }; +#define DA830_MMCSD_WP_PIN GPIO_TO_PIN(2, 1) +#define DA830_MMCSD_CD_PIN GPIO_TO_PIN(2, 2) + static struct gpiod_lookup_table mmc_gpios_table = { .dev_id = "da830-mmc.0", .table = { /* gpio chip 1 contains gpio range 32-63 */ - GPIO_LOOKUP("davinci_gpio.1", 2, "cd", GPIO_ACTIVE_LOW), - GPIO_LOOKUP("davinci_gpio.1", 1, "wp", GPIO_ACTIVE_LOW), + GPIO_LOOKUP("davinci_gpio.0", DA830_MMCSD_CD_PIN, "cd", + GPIO_ACTIVE_LOW), + GPIO_LOOKUP("davinci_gpio.0", DA830_MMCSD_WP_PIN, "wp", + GPIO_ACTIVE_LOW), }, }; diff --git a/arch/arm/mach-davinci/board-da850-evm.c b/arch/arm/mach-davinci/board-da850-evm.c index cbde0030c092..25f12118c364 100644 --- a/arch/arm/mach-davinci/board-da850-evm.c +++ b/arch/arm/mach-davinci/board-da850-evm.c @@ -763,12 +763,17 @@ static const short da850_evm_mcasp_pins[] __initconst = { -1 }; +#define DA850_MMCSD_CD_PIN GPIO_TO_PIN(4, 0) +#define DA850_MMCSD_WP_PIN GPIO_TO_PIN(4, 1) + static struct gpiod_lookup_table mmc_gpios_table = { .dev_id = "da830-mmc.0", .table = { /* gpio chip 2 contains gpio range 64-95 */ - GPIO_LOOKUP("davinci_gpio.2", 0, "cd", GPIO_ACTIVE_LOW), - GPIO_LOOKUP("davinci_gpio.2", 1, "wp", GPIO_ACTIVE_LOW), + GPIO_LOOKUP("davinci_gpio.0", DA850_MMCSD_CD_PIN, "cd", + GPIO_ACTIVE_LOW), + GPIO_LOOKUP("davinci_gpio.0", DA850_MMCSD_WP_PIN, "wp", + GPIO_ACTIVE_LOW), }, }; diff --git a/arch/arm/mach-davinci/board-dm355-evm.c b/arch/arm/mach-davinci/board-dm355-evm.c index 62e7bc3018f0..8e64685b1941 100644 --- a/arch/arm/mach-davinci/board-dm355-evm.c +++ b/arch/arm/mach-davinci/board-dm355-evm.c @@ -18,6 +18,7 @@ #include <linux/i2c.h> #include <linux/gpio.h> #include <linux/clk.h> +#include <linux/dm9000.h> #include <linux/videodev2.h> #include <media/i2c/tvp514x.h> #include <linux/spi/spi.h> @@ -168,11 +169,16 @@ static struct resource dm355evm_dm9000_rsrc[] = { }, }; +static struct dm9000_plat_data dm335evm_dm9000_platdata; + static struct platform_device dm355evm_dm9000 = { .name = "dm9000", .id = -1, .resource = dm355evm_dm9000_rsrc, .num_resources = ARRAY_SIZE(dm355evm_dm9000_rsrc), + .dev = { + .platform_data = &dm335evm_dm9000_platdata, + }, }; static struct tvp514x_platform_data tvp5146_pdata = { diff --git a/arch/arm/mach-davinci/board-dm646x-evm.c b/arch/arm/mach-davinci/board-dm646x-evm.c index cb0a41e83582..4c458f714101 100644 --- a/arch/arm/mach-davinci/board-dm646x-evm.c +++ b/arch/arm/mach-davinci/board-dm646x-evm.c @@ -534,11 +534,12 @@ static struct vpif_display_config dm646x_vpif_display_config = { .set_clock = set_vpif_clock, .subdevinfo = dm646x_vpif_subdev, .subdev_count = ARRAY_SIZE(dm646x_vpif_subdev), + .i2c_adapter_id = 1, .chan_config[0] = { .outputs = dm6467_ch0_outputs, .output_count = ARRAY_SIZE(dm6467_ch0_outputs), }, - .card_name = "DM646x EVM", + .card_name = "DM646x EVM Video Display", }; /** @@ -676,6 +677,7 @@ static struct vpif_capture_config dm646x_vpif_capture_cfg = { .setup_input_channel_mode = setup_vpif_input_channel_mode, .subdev_info = vpif_capture_sdev_info, .subdev_count = ARRAY_SIZE(vpif_capture_sdev_info), + .i2c_adapter_id = 1, .chan_config[0] = { .inputs = dm6467_ch0_inputs, .input_count = ARRAY_SIZE(dm6467_ch0_inputs), @@ -696,6 +698,7 @@ static struct vpif_capture_config dm646x_vpif_capture_cfg = { .fid_pol = 0, }, }, + .card_name = "DM646x EVM Video Capture", }; static void __init evm_init_video(void) diff --git a/arch/arm/mach-davinci/board-omapl138-hawk.c b/arch/arm/mach-davinci/board-omapl138-hawk.c index 62eb7d668890..10a027253250 100644 --- a/arch/arm/mach-davinci/board-omapl138-hawk.c +++ b/arch/arm/mach-davinci/board-omapl138-hawk.c @@ -123,12 +123,16 @@ static const short hawk_mmcsd0_pins[] = { -1 }; +#define DA850_HAWK_MMCSD_CD_PIN GPIO_TO_PIN(3, 12) +#define DA850_HAWK_MMCSD_WP_PIN GPIO_TO_PIN(3, 13) + static struct gpiod_lookup_table mmc_gpios_table = { .dev_id = "da830-mmc.0", .table = { - /* CD: gpio3_12: gpio60: chip 1 contains gpio range 32-63*/ - GPIO_LOOKUP("davinci_gpio.0", 28, "cd", GPIO_ACTIVE_LOW), - GPIO_LOOKUP("davinci_gpio.0", 29, "wp", GPIO_ACTIVE_LOW), + GPIO_LOOKUP("davinci_gpio.0", DA850_HAWK_MMCSD_CD_PIN, "cd", + GPIO_ACTIVE_LOW), + GPIO_LOOKUP("davinci_gpio.0", DA850_HAWK_MMCSD_WP_PIN, "wp", + GPIO_ACTIVE_LOW), }, }; diff --git a/arch/arm/mach-davinci/dm646x.c b/arch/arm/mach-davinci/dm646x.c index da21353cac45..d869369ca2bc 100644 --- a/arch/arm/mach-davinci/dm646x.c +++ b/arch/arm/mach-davinci/dm646x.c @@ -495,7 +495,8 @@ static u8 dm646x_default_priorities[DAVINCI_N_AINTC_IRQ] = { [IRQ_DM646X_MCASP0TXINT] = 7, [IRQ_DM646X_MCASP0RXINT] = 7, [IRQ_DM646X_RESERVED_3] = 7, - [IRQ_DM646X_MCASP1TXINT] = 7, /* clockevent */ + [IRQ_DM646X_MCASP1TXINT] = 7, + [IRQ_TINT0_TINT12] = 7, /* clockevent */ [IRQ_TINT0_TINT34] = 7, /* clocksource */ [IRQ_TINT1_TINT12] = 7, /* DSP timer */ [IRQ_TINT1_TINT34] = 7, /* system tick */ diff --git a/arch/arm/mach-keystone/pm_domain.c b/arch/arm/mach-keystone/pm_domain.c index fe57e2692629..abca83d22ff3 100644 --- a/arch/arm/mach-keystone/pm_domain.c +++ b/arch/arm/mach-keystone/pm_domain.c @@ -29,6 +29,7 @@ static struct dev_pm_domain keystone_pm_domain = { static struct pm_clk_notifier_block platform_domain_notifier = { .pm_domain = &keystone_pm_domain, + .con_ids = { NULL }, }; static const struct of_device_id of_keystone_table[] = { diff --git a/arch/arm/mach-omap1/ams-delta-fiq.c b/arch/arm/mach-omap1/ams-delta-fiq.c index 793a24a53c52..d7ca9e2b40d2 100644 --- a/arch/arm/mach-omap1/ams-delta-fiq.c +++ b/arch/arm/mach-omap1/ams-delta-fiq.c @@ -58,22 +58,24 @@ static irqreturn_t deferred_fiq(int irq, void *dev_id) irq_num = gpio_to_irq(gpio); fiq_count = fiq_buffer[FIQ_CNT_INT_00 + gpio]; - while (irq_counter[gpio] < fiq_count) { - if (gpio != AMS_DELTA_GPIO_PIN_KEYBRD_CLK) { - struct irq_data *d = irq_get_irq_data(irq_num); - - /* - * It looks like handle_edge_irq() that - * OMAP GPIO edge interrupts default to, - * expects interrupt already unmasked. - */ - if (irq_chip && irq_chip->irq_unmask) + if (irq_counter[gpio] < fiq_count && + gpio != AMS_DELTA_GPIO_PIN_KEYBRD_CLK) { + struct irq_data *d = irq_get_irq_data(irq_num); + + /* + * handle_simple_irq() that OMAP GPIO edge + * interrupts default to since commit 80ac93c27441 + * requires interrupt already acked and unmasked. + */ + if (irq_chip) { + if (irq_chip->irq_ack) + irq_chip->irq_ack(d); + if (irq_chip->irq_unmask) irq_chip->irq_unmask(d); } - generic_handle_irq(irq_num); - - irq_counter[gpio]++; } + for (; irq_counter[gpio] < fiq_count; irq_counter[gpio]++) + generic_handle_irq(irq_num); } return IRQ_HANDLED; } diff --git a/arch/arm/mach-omap2/powerdomain.c b/arch/arm/mach-omap2/powerdomain.c index 76eb6ec5f157..1e6a967cd2d5 100644 --- a/arch/arm/mach-omap2/powerdomain.c +++ b/arch/arm/mach-omap2/powerdomain.c @@ -188,7 +188,7 @@ static int _pwrdm_state_switch(struct powerdomain *pwrdm, int flag) ((prev & OMAP_POWERSTATE_MASK) << 0)); trace_power_domain_target_rcuidle(pwrdm->name, trace_state, - smp_processor_id()); + raw_smp_processor_id()); } break; default: @@ -518,7 +518,7 @@ int pwrdm_set_next_pwrst(struct powerdomain *pwrdm, u8 pwrst) if (arch_pwrdm && arch_pwrdm->pwrdm_set_next_pwrst) { /* Trace the pwrdm desired target state */ trace_power_domain_target_rcuidle(pwrdm->name, pwrst, - smp_processor_id()); + raw_smp_processor_id()); /* Program the pwrdm desired target state */ ret = arch_pwrdm->pwrdm_set_next_pwrst(pwrdm, pwrst); } diff --git a/arch/arm64/boot/dts/nvidia/tegra186-p3310.dtsi b/arch/arm64/boot/dts/nvidia/tegra186-p3310.dtsi index 54f418d05e15..2306b1a0c09a 100644 --- a/arch/arm64/boot/dts/nvidia/tegra186-p3310.dtsi +++ b/arch/arm64/boot/dts/nvidia/tegra186-p3310.dtsi @@ -46,7 +46,7 @@ compatible = "ethernet-phy-ieee802.3-c22"; reg = <0x0>; interrupt-parent = <&gpio>; - interrupts = <TEGRA_MAIN_GPIO(M, 5) IRQ_TYPE_LEVEL_HIGH>; + interrupts = <TEGRA_MAIN_GPIO(M, 5) IRQ_TYPE_LEVEL_LOW>; }; }; }; diff --git a/arch/arm64/include/asm/cputype.h b/arch/arm64/include/asm/cputype.h index 30da0918d046..04569aa267fd 100644 --- a/arch/arm64/include/asm/cputype.h +++ b/arch/arm64/include/asm/cputype.h @@ -75,6 +75,7 @@ #define ARM_CPU_IMP_CAVIUM 0x43 #define ARM_CPU_IMP_BRCM 0x42 #define ARM_CPU_IMP_QCOM 0x51 +#define ARM_CPU_IMP_NVIDIA 0x4E #define ARM_CPU_PART_AEM_V8 0xD0F #define ARM_CPU_PART_FOUNDATION 0xD00 @@ -98,6 +99,9 @@ #define QCOM_CPU_PART_FALKOR 0xC00 #define QCOM_CPU_PART_KRYO 0x200 +#define NVIDIA_CPU_PART_DENVER 0x003 +#define NVIDIA_CPU_PART_CARMEL 0x004 + #define MIDR_CORTEX_A53 MIDR_CPU_MODEL(ARM_CPU_IMP_ARM, ARM_CPU_PART_CORTEX_A53) #define MIDR_CORTEX_A55 MIDR_CPU_MODEL(ARM_CPU_IMP_ARM, ARM_CPU_PART_CORTEX_A55) #define MIDR_CORTEX_A57 MIDR_CPU_MODEL(ARM_CPU_IMP_ARM, ARM_CPU_PART_CORTEX_A57) @@ -112,6 +116,8 @@ #define MIDR_QCOM_FALKOR_V1 MIDR_CPU_MODEL(ARM_CPU_IMP_QCOM, QCOM_CPU_PART_FALKOR_V1) #define MIDR_QCOM_FALKOR MIDR_CPU_MODEL(ARM_CPU_IMP_QCOM, QCOM_CPU_PART_FALKOR) #define MIDR_QCOM_KRYO MIDR_CPU_MODEL(ARM_CPU_IMP_QCOM, QCOM_CPU_PART_KRYO) +#define MIDR_NVIDIA_DENVER MIDR_CPU_MODEL(ARM_CPU_IMP_NVIDIA, NVIDIA_CPU_PART_DENVER) +#define MIDR_NVIDIA_CARMEL MIDR_CPU_MODEL(ARM_CPU_IMP_NVIDIA, NVIDIA_CPU_PART_CARMEL) #ifndef __ASSEMBLY__ diff --git a/arch/arm64/kernel/ptrace.c b/arch/arm64/kernel/ptrace.c index 9cbb6123208f..edaf346d13d5 100644 --- a/arch/arm64/kernel/ptrace.c +++ b/arch/arm64/kernel/ptrace.c @@ -25,6 +25,7 @@ #include <linux/sched/signal.h> #include <linux/sched/task_stack.h> #include <linux/mm.h> +#include <linux/nospec.h> #include <linux/smp.h> #include <linux/ptrace.h> #include <linux/user.h> @@ -247,15 +248,20 @@ static struct perf_event *ptrace_hbp_get_event(unsigned int note_type, switch (note_type) { case NT_ARM_HW_BREAK: - if (idx < ARM_MAX_BRP) - bp = tsk->thread.debug.hbp_break[idx]; + if (idx >= ARM_MAX_BRP) + goto out; + idx = array_index_nospec(idx, ARM_MAX_BRP); + bp = tsk->thread.debug.hbp_break[idx]; break; case NT_ARM_HW_WATCH: - if (idx < ARM_MAX_WRP) - bp = tsk->thread.debug.hbp_watch[idx]; + if (idx >= ARM_MAX_WRP) + goto out; + idx = array_index_nospec(idx, ARM_MAX_WRP); + bp = tsk->thread.debug.hbp_watch[idx]; break; } +out: return bp; } @@ -1194,9 +1200,7 @@ static int compat_ptrace_gethbpregs(struct task_struct *tsk, compat_long_t num, { int ret; u32 kdata; - mm_segment_t old_fs = get_fs(); - set_fs(KERNEL_DS); /* Watchpoint */ if (num < 0) { ret = compat_ptrace_hbp_get(NT_ARM_HW_WATCH, tsk, num, &kdata); @@ -1207,7 +1211,6 @@ static int compat_ptrace_gethbpregs(struct task_struct *tsk, compat_long_t num, } else { ret = compat_ptrace_hbp_get(NT_ARM_HW_BREAK, tsk, num, &kdata); } - set_fs(old_fs); if (!ret) ret = put_user(kdata, data); @@ -1220,7 +1223,6 @@ static int compat_ptrace_sethbpregs(struct task_struct *tsk, compat_long_t num, { int ret; u32 kdata = 0; - mm_segment_t old_fs = get_fs(); if (num == 0) return 0; @@ -1229,12 +1231,10 @@ static int compat_ptrace_sethbpregs(struct task_struct *tsk, compat_long_t num, if (ret) return ret; - set_fs(KERNEL_DS); if (num < 0) ret = compat_ptrace_hbp_set(NT_ARM_HW_WATCH, tsk, num, &kdata); else ret = compat_ptrace_hbp_set(NT_ARM_HW_BREAK, tsk, num, &kdata); - set_fs(old_fs); return ret; } diff --git a/arch/hexagon/include/asm/io.h b/arch/hexagon/include/asm/io.h index 66f5e9a61efc..7288e31d3713 100644 --- a/arch/hexagon/include/asm/io.h +++ b/arch/hexagon/include/asm/io.h @@ -216,6 +216,12 @@ static inline void memcpy_toio(volatile void __iomem *dst, const void *src, memcpy((void *) dst, src, count); } +static inline void memset_io(volatile void __iomem *addr, int value, + size_t size) +{ + memset((void __force *)addr, value, size); +} + #define PCI_IO_ADDR (volatile void __iomem *) /* diff --git a/arch/hexagon/lib/checksum.c b/arch/hexagon/lib/checksum.c index 617506d1a559..7cd0a2259269 100644 --- a/arch/hexagon/lib/checksum.c +++ b/arch/hexagon/lib/checksum.c @@ -199,3 +199,4 @@ csum_partial_copy_nocheck(const void *src, void *dst, int len, __wsum sum) memcpy(dst, src, len); return csum_partial(dst, len, sum); } +EXPORT_SYMBOL(csum_partial_copy_nocheck); diff --git a/arch/mips/boot/dts/img/boston.dts b/arch/mips/boot/dts/img/boston.dts index 2cd49b60e030..f7aad80c69ab 100644 --- a/arch/mips/boot/dts/img/boston.dts +++ b/arch/mips/boot/dts/img/boston.dts @@ -51,6 +51,8 @@ ranges = <0x02000000 0 0x40000000 0x40000000 0 0x40000000>; + bus-range = <0x00 0xff>; + interrupt-map-mask = <0 0 0 7>; interrupt-map = <0 0 0 1 &pci0_intc 1>, <0 0 0 2 &pci0_intc 2>, @@ -79,6 +81,8 @@ ranges = <0x02000000 0 0x20000000 0x20000000 0 0x20000000>; + bus-range = <0x00 0xff>; + interrupt-map-mask = <0 0 0 7>; interrupt-map = <0 0 0 1 &pci1_intc 1>, <0 0 0 2 &pci1_intc 2>, @@ -107,6 +111,8 @@ ranges = <0x02000000 0 0x16000000 0x16000000 0 0x100000>; + bus-range = <0x00 0xff>; + interrupt-map-mask = <0 0 0 7>; interrupt-map = <0 0 0 1 &pci2_intc 1>, <0 0 0 2 &pci2_intc 2>, diff --git a/arch/mips/include/asm/io.h b/arch/mips/include/asm/io.h index 0cbf3af37eca..a7d0b836f2f7 100644 --- a/arch/mips/include/asm/io.h +++ b/arch/mips/include/asm/io.h @@ -307,7 +307,7 @@ static inline void iounmap(const volatile void __iomem *addr) #if defined(CONFIG_CPU_CAVIUM_OCTEON) || defined(CONFIG_LOONGSON3_ENHANCEMENT) #define war_io_reorder_wmb() wmb() #else -#define war_io_reorder_wmb() do { } while (0) +#define war_io_reorder_wmb() barrier() #endif #define __BUILD_MEMORY_SINGLE(pfx, bwlq, type, irq) \ @@ -377,6 +377,8 @@ static inline type pfx##read##bwlq(const volatile void __iomem *mem) \ BUG(); \ } \ \ + /* prevent prefetching of coherent DMA data prematurely */ \ + rmb(); \ return pfx##ioswab##bwlq(__mem, __val); \ } diff --git a/arch/parisc/kernel/drivers.c b/arch/parisc/kernel/drivers.c index 513826a43efd..6a71d3151a23 100644 --- a/arch/parisc/kernel/drivers.c +++ b/arch/parisc/kernel/drivers.c @@ -448,7 +448,8 @@ static int match_by_id(struct device * dev, void * data) * Checks all the children of @parent for a matching @id. If none * found, it allocates a new device and returns it. */ -static struct parisc_device * alloc_tree_node(struct device *parent, char id) +static struct parisc_device * __init alloc_tree_node( + struct device *parent, char id) { struct match_id_data d = { .id = id, @@ -825,8 +826,8 @@ void walk_lower_bus(struct parisc_device *dev) * devices which are not physically connected (such as extra serial & * keyboard ports). This problem is not yet solved. */ -static void walk_native_bus(unsigned long io_io_low, unsigned long io_io_high, - struct device *parent) +static void __init walk_native_bus(unsigned long io_io_low, + unsigned long io_io_high, struct device *parent) { int i, devices_found = 0; unsigned long hpa = io_io_low; diff --git a/arch/parisc/kernel/smp.c b/arch/parisc/kernel/smp.c index 30c28ab14540..ab4d5580bb02 100644 --- a/arch/parisc/kernel/smp.c +++ b/arch/parisc/kernel/smp.c @@ -418,8 +418,7 @@ int __cpu_up(unsigned int cpu, struct task_struct *tidle) } #ifdef CONFIG_PROC_FS -int __init -setup_profiling_timer(unsigned int multiplier) +int setup_profiling_timer(unsigned int multiplier) { return -EINVAL; } diff --git a/arch/parisc/kernel/time.c b/arch/parisc/kernel/time.c index f7e684560186..42a873226a04 100644 --- a/arch/parisc/kernel/time.c +++ b/arch/parisc/kernel/time.c @@ -205,7 +205,7 @@ static int __init rtc_init(void) device_initcall(rtc_init); #endif -void read_persistent_clock(struct timespec *ts) +void read_persistent_clock64(struct timespec64 *ts) { static struct pdc_tod tod_data; if (pdc_tod_read(&tod_data) == 0) { diff --git a/arch/powerpc/platforms/powernv/memtrace.c b/arch/powerpc/platforms/powernv/memtrace.c index de470caf0784..fc222a0c2ac4 100644 --- a/arch/powerpc/platforms/powernv/memtrace.c +++ b/arch/powerpc/platforms/powernv/memtrace.c @@ -82,19 +82,6 @@ static const struct file_operations memtrace_fops = { .open = simple_open, }; -static void flush_memory_region(u64 base, u64 size) -{ - unsigned long line_size = ppc64_caches.l1d.size; - u64 end = base + size; - u64 addr; - - base = round_down(base, line_size); - end = round_up(end, line_size); - - for (addr = base; addr < end; addr += line_size) - asm volatile("dcbf 0,%0" : "=r" (addr) :: "memory"); -} - static int check_memblock_online(struct memory_block *mem, void *arg) { if (mem->state != MEM_ONLINE) @@ -132,10 +119,6 @@ static bool memtrace_offline_pages(u32 nid, u64 start_pfn, u64 nr_pages) walk_memory_range(start_pfn, end_pfn, (void *)MEM_OFFLINE, change_memblock_state); - /* RCU grace period? */ - flush_memory_region((u64)__va(start_pfn << PAGE_SHIFT), - nr_pages << PAGE_SHIFT); - lock_device_hotplug(); remove_memory(nid, start_pfn << PAGE_SHIFT, nr_pages << PAGE_SHIFT); unlock_device_hotplug(); diff --git a/arch/sh/kernel/cpu/sh2/probe.c b/arch/sh/kernel/cpu/sh2/probe.c index 4205f6d42b69..a5bd03642678 100644 --- a/arch/sh/kernel/cpu/sh2/probe.c +++ b/arch/sh/kernel/cpu/sh2/probe.c @@ -43,7 +43,11 @@ void __ref cpu_probe(void) #endif #if defined(CONFIG_CPU_J2) +#if defined(CONFIG_SMP) unsigned cpu = hard_smp_processor_id(); +#else + unsigned cpu = 0; +#endif if (cpu == 0) of_scan_flat_dt(scan_cache, NULL); if (j2_ccr_base) __raw_writel(0x80000303, j2_ccr_base + 4*cpu); if (cpu != 0) return; diff --git a/arch/x86/events/intel/core.c b/arch/x86/events/intel/core.c index 6965ee8c4b8a..228732654cfe 100644 --- a/arch/x86/events/intel/core.c +++ b/arch/x86/events/intel/core.c @@ -3331,7 +3331,8 @@ static void intel_pmu_cpu_starting(int cpu) cpuc->lbr_sel = NULL; - flip_smm_bit(&x86_pmu.attr_freeze_on_smi); + if (x86_pmu.version > 1) + flip_smm_bit(&x86_pmu.attr_freeze_on_smi); if (!cpuc->shared_regs) return; @@ -3494,6 +3495,8 @@ static __initconst const struct x86_pmu core_pmu = { .cpu_dying = intel_pmu_cpu_dying, }; +static struct attribute *intel_pmu_attrs[]; + static __initconst const struct x86_pmu intel_pmu = { .name = "Intel", .handle_irq = intel_pmu_handle_irq, @@ -3524,6 +3527,8 @@ static __initconst const struct x86_pmu intel_pmu = { .format_attrs = intel_arch3_formats_attr, .events_sysfs_show = intel_event_sysfs_show, + .attrs = intel_pmu_attrs, + .cpu_prepare = intel_pmu_cpu_prepare, .cpu_starting = intel_pmu_cpu_starting, .cpu_dying = intel_pmu_cpu_dying, @@ -3902,8 +3907,6 @@ __init int intel_pmu_init(void) x86_pmu.max_pebs_events = min_t(unsigned, MAX_PEBS_EVENTS, x86_pmu.num_counters); - - x86_pmu.attrs = intel_pmu_attrs; /* * Quirk: v2 perfmon does not report fixed-purpose events, so * assume at least 3 events, when not running in a hypervisor: diff --git a/arch/x86/include/asm/insn.h b/arch/x86/include/asm/insn.h index b3e32b010ab1..c2c01f84df75 100644 --- a/arch/x86/include/asm/insn.h +++ b/arch/x86/include/asm/insn.h @@ -208,4 +208,22 @@ static inline int insn_offset_immediate(struct insn *insn) return insn_offset_displacement(insn) + insn->displacement.nbytes; } +#define POP_SS_OPCODE 0x1f +#define MOV_SREG_OPCODE 0x8e + +/* + * Intel SDM Vol.3A 6.8.3 states; + * "Any single-step trap that would be delivered following the MOV to SS + * instruction or POP to SS instruction (because EFLAGS.TF is 1) is + * suppressed." + * This function returns true if @insn is MOV SS or POP SS. On these + * instructions, single stepping is suppressed. + */ +static inline int insn_masking_exception(struct insn *insn) +{ + return insn->opcode.bytes[0] == POP_SS_OPCODE || + (insn->opcode.bytes[0] == MOV_SREG_OPCODE && + X86_MODRM_REG(insn->modrm.bytes[0]) == 2); +} + #endif /* _ASM_X86_INSN_H */ diff --git a/arch/x86/kernel/cpu/intel.c b/arch/x86/kernel/cpu/intel.c index c895f38a7a5e..0b2330e19169 100644 --- a/arch/x86/kernel/cpu/intel.c +++ b/arch/x86/kernel/cpu/intel.c @@ -751,6 +751,9 @@ static const struct _tlb_table intel_tlb_table[] = { { 0x5d, TLB_DATA_4K_4M, 256, " TLB_DATA 4 KByte and 4 MByte pages" }, { 0x61, TLB_INST_4K, 48, " TLB_INST 4 KByte pages, full associative" }, { 0x63, TLB_DATA_1G, 4, " TLB_DATA 1 GByte pages, 4-way set associative" }, + { 0x6b, TLB_DATA_4K, 256, " TLB_DATA 4 KByte pages, 8-way associative" }, + { 0x6c, TLB_DATA_2M_4M, 128, " TLB_DATA 2 MByte or 4 MByte pages, 8-way associative" }, + { 0x6d, TLB_DATA_1G, 16, " TLB_DATA 1 GByte pages, fully associative" }, { 0x76, TLB_INST_2M_4M, 8, " TLB_INST 2-MByte or 4-MByte pages, fully associative" }, { 0xb0, TLB_INST_4K, 128, " TLB_INST 4 KByte pages, 4-way set associative" }, { 0xb1, TLB_INST_2M_4M, 4, " TLB_INST 2M pages, 4-way, 8 entries or 4M pages, 4-way entries" }, diff --git a/arch/x86/kernel/cpu/intel_rdt.c b/arch/x86/kernel/cpu/intel_rdt.c index 18dd8f22e353..665d0f6cd62f 100644 --- a/arch/x86/kernel/cpu/intel_rdt.c +++ b/arch/x86/kernel/cpu/intel_rdt.c @@ -773,6 +773,8 @@ static __init void rdt_quirks(void) case INTEL_FAM6_SKYLAKE_X: if (boot_cpu_data.x86_stepping <= 4) set_rdt_options("!cmt,!mbmtotal,!mbmlocal,!l3cat"); + else + set_rdt_options("!l3cat"); } } diff --git a/arch/x86/kernel/cpu/mcheck/mce-inject.c b/arch/x86/kernel/cpu/mcheck/mce-inject.c index 231ad23b24a9..8fec687b3e44 100644 --- a/arch/x86/kernel/cpu/mcheck/mce-inject.c +++ b/arch/x86/kernel/cpu/mcheck/mce-inject.c @@ -48,7 +48,7 @@ static struct dentry *dfs_inj; static u8 n_banks; -#define MAX_FLAG_OPT_SIZE 3 +#define MAX_FLAG_OPT_SIZE 4 #define NBCFG 0x44 enum injection_type { diff --git a/arch/x86/kernel/kexec-bzimage64.c b/arch/x86/kernel/kexec-bzimage64.c index fb095ba0c02f..f24cd9f1799a 100644 --- a/arch/x86/kernel/kexec-bzimage64.c +++ b/arch/x86/kernel/kexec-bzimage64.c @@ -398,11 +398,10 @@ static void *bzImage64_load(struct kimage *image, char *kernel, * little bit simple */ efi_map_sz = efi_get_runtime_map_size(); - efi_map_sz = ALIGN(efi_map_sz, 16); params_cmdline_sz = sizeof(struct boot_params) + cmdline_len + MAX_ELFCOREHDR_STR_LEN; params_cmdline_sz = ALIGN(params_cmdline_sz, 16); - kbuf.bufsz = params_cmdline_sz + efi_map_sz + + kbuf.bufsz = params_cmdline_sz + ALIGN(efi_map_sz, 16) + sizeof(struct setup_data) + sizeof(struct efi_setup_data); @@ -410,7 +409,7 @@ static void *bzImage64_load(struct kimage *image, char *kernel, if (!params) return ERR_PTR(-ENOMEM); efi_map_offset = params_cmdline_sz; - efi_setup_data_offset = efi_map_offset + efi_map_sz; + efi_setup_data_offset = efi_map_offset + ALIGN(efi_map_sz, 16); /* Copy setup header onto bootparams. Documentation/x86/boot.txt */ setup_header_size = 0x0202 + kernel[0x0201] - setup_hdr_offset; diff --git a/arch/x86/kernel/kprobes/core.c b/arch/x86/kernel/kprobes/core.c index ce06ec9c2323..f1030c522e06 100644 --- a/arch/x86/kernel/kprobes/core.c +++ b/arch/x86/kernel/kprobes/core.c @@ -369,6 +369,10 @@ int __copy_instruction(u8 *dest, u8 *src, struct insn *insn) if (insn->opcode.bytes[0] == BREAKPOINT_INSTRUCTION) return 0; + /* We should not singlestep on the exception masking instructions */ + if (insn_masking_exception(insn)) + return 0; + #ifdef CONFIG_X86_64 /* Only x86_64 has RIP relative instructions */ if (insn_rip_relative(insn)) { diff --git a/arch/x86/kernel/uprobes.c b/arch/x86/kernel/uprobes.c index 495c776de4b4..e1ea13ae53b9 100644 --- a/arch/x86/kernel/uprobes.c +++ b/arch/x86/kernel/uprobes.c @@ -296,6 +296,10 @@ static int uprobe_init_insn(struct arch_uprobe *auprobe, struct insn *insn, bool if (is_prefix_bad(insn)) return -ENOTSUPP; + /* We should not singlestep on the exception masking instructions */ + if (insn_masking_exception(insn)) + return -ENOTSUPP; + if (x86_64) good_insns = good_insns_64; else diff --git a/arch/x86/kvm/hyperv.c b/arch/x86/kvm/hyperv.c index dc97f2544b6f..5d13abecb384 100644 --- a/arch/x86/kvm/hyperv.c +++ b/arch/x86/kvm/hyperv.c @@ -1223,7 +1223,7 @@ static int kvm_hv_hypercall_complete_userspace(struct kvm_vcpu *vcpu) struct kvm_run *run = vcpu->run; kvm_hv_hypercall_set_result(vcpu, run->hyperv.u.hcall.result); - return 1; + return kvm_skip_emulated_instruction(vcpu); } int kvm_hv_hypercall(struct kvm_vcpu *vcpu) diff --git a/arch/x86/kvm/svm.c b/arch/x86/kvm/svm.c index 029aa1318874..cfa155078ebb 100644 --- a/arch/x86/kvm/svm.c +++ b/arch/x86/kvm/svm.c @@ -4756,9 +4756,8 @@ static int svm_update_pi_irte(struct kvm *kvm, unsigned int host_irq, } if (!ret && svm) { - trace_kvm_pi_irte_update(svm->vcpu.vcpu_id, - host_irq, e->gsi, - vcpu_info.vector, + trace_kvm_pi_irte_update(host_irq, svm->vcpu.vcpu_id, + e->gsi, vcpu_info.vector, vcpu_info.pi_desc_addr, set); } diff --git a/arch/x86/kvm/vmx.c b/arch/x86/kvm/vmx.c index b1556166a06d..90747865205d 100644 --- a/arch/x86/kvm/vmx.c +++ b/arch/x86/kvm/vmx.c @@ -10318,6 +10318,16 @@ static inline bool nested_vmx_merge_msr_bitmap(struct kvm_vcpu *vcpu, return true; } +static int nested_vmx_check_apic_access_controls(struct kvm_vcpu *vcpu, + struct vmcs12 *vmcs12) +{ + if (nested_cpu_has2(vmcs12, SECONDARY_EXEC_VIRTUALIZE_APIC_ACCESSES) && + !page_address_valid(vcpu, vmcs12->apic_access_addr)) + return -EINVAL; + else + return 0; +} + static int nested_vmx_check_apicv_controls(struct kvm_vcpu *vcpu, struct vmcs12 *vmcs12) { @@ -10961,6 +10971,9 @@ static int check_vmentry_prereqs(struct kvm_vcpu *vcpu, struct vmcs12 *vmcs12) if (nested_vmx_check_msr_bitmap_controls(vcpu, vmcs12)) return VMXERR_ENTRY_INVALID_CONTROL_FIELD; + if (nested_vmx_check_apic_access_controls(vcpu, vmcs12)) + return VMXERR_ENTRY_INVALID_CONTROL_FIELD; + if (nested_vmx_check_tpr_shadow_controls(vcpu, vmcs12)) return VMXERR_ENTRY_INVALID_CONTROL_FIELD; @@ -12171,7 +12184,7 @@ static int vmx_update_pi_irte(struct kvm *kvm, unsigned int host_irq, vcpu_info.pi_desc_addr = __pa(vcpu_to_pi_desc(vcpu)); vcpu_info.vector = irq.vector; - trace_kvm_pi_irte_update(vcpu->vcpu_id, host_irq, e->gsi, + trace_kvm_pi_irte_update(host_irq, vcpu->vcpu_id, e->gsi, vcpu_info.vector, vcpu_info.pi_desc_addr, set); if (set) diff --git a/arch/x86/kvm/x86.c b/arch/x86/kvm/x86.c index eb76ac83a1d5..f1bd2c2c5c04 100644 --- a/arch/x86/kvm/x86.c +++ b/arch/x86/kvm/x86.c @@ -6304,12 +6304,13 @@ void kvm_vcpu_deactivate_apicv(struct kvm_vcpu *vcpu) int kvm_emulate_hypercall(struct kvm_vcpu *vcpu) { unsigned long nr, a0, a1, a2, a3, ret; - int op_64_bit, r; + int op_64_bit; - r = kvm_skip_emulated_instruction(vcpu); - - if (kvm_hv_hypercall_enabled(vcpu->kvm)) - return kvm_hv_hypercall(vcpu); + if (kvm_hv_hypercall_enabled(vcpu->kvm)) { + if (!kvm_hv_hypercall(vcpu)) + return 0; + goto out; + } nr = kvm_register_read(vcpu, VCPU_REGS_RAX); a0 = kvm_register_read(vcpu, VCPU_REGS_RBX); @@ -6330,7 +6331,7 @@ int kvm_emulate_hypercall(struct kvm_vcpu *vcpu) if (kvm_x86_ops->get_cpl(vcpu) != 0) { ret = -KVM_EPERM; - goto out; + goto out_error; } switch (nr) { @@ -6350,12 +6351,14 @@ int kvm_emulate_hypercall(struct kvm_vcpu *vcpu) ret = -KVM_ENOSYS; break; } -out: +out_error: if (!op_64_bit) ret = (u32)ret; kvm_register_write(vcpu, VCPU_REGS_RAX, ret); + +out: ++vcpu->stat.hypercalls; - return r; + return kvm_skip_emulated_instruction(vcpu); } EXPORT_SYMBOL_GPL(kvm_emulate_hypercall); diff --git a/arch/x86/net/bpf_jit_comp.c b/arch/x86/net/bpf_jit_comp.c index bb77606d04e0..a9deb2b0397d 100644 --- a/arch/x86/net/bpf_jit_comp.c +++ b/arch/x86/net/bpf_jit_comp.c @@ -1159,6 +1159,7 @@ struct bpf_prog *bpf_int_jit_compile(struct bpf_prog *prog) for (pass = 0; pass < 20 || image; pass++) { proglen = do_jit(prog, addrs, image, oldproglen, &ctx); if (proglen <= 0) { +out_image: image = NULL; if (header) bpf_jit_binary_free(header); @@ -1169,8 +1170,7 @@ struct bpf_prog *bpf_int_jit_compile(struct bpf_prog *prog) if (proglen != oldproglen) { pr_err("bpf_jit: proglen=%d != oldproglen=%d\n", proglen, oldproglen); - prog = orig_prog; - goto out_addrs; + goto out_image; } break; } diff --git a/arch/x86/xen/enlighten_hvm.c b/arch/x86/xen/enlighten_hvm.c index 754d5391d9fa..854508b00bbb 100644 --- a/arch/x86/xen/enlighten_hvm.c +++ b/arch/x86/xen/enlighten_hvm.c @@ -64,6 +64,19 @@ static void __init xen_hvm_init_mem_mapping(void) { early_memunmap(HYPERVISOR_shared_info, PAGE_SIZE); HYPERVISOR_shared_info = __va(PFN_PHYS(shared_info_pfn)); + + /* + * The virtual address of the shared_info page has changed, so + * the vcpu_info pointer for VCPU 0 is now stale. + * + * The prepare_boot_cpu callback will re-initialize it via + * xen_vcpu_setup, but we can't rely on that to be called for + * old Xen versions (xen_have_vector_callback == 0). + * + * It is, in any case, bad to have a stale vcpu_info pointer + * so reset it now. + */ + xen_vcpu_info_reset(0); } static void __init init_hvm_pv_info(void) |