diff options
Diffstat (limited to 'arch')
47 files changed, 1030 insertions, 227 deletions
diff --git a/arch/arm/kernel/entry-armv.S b/arch/arm/kernel/entry-armv.S index 2db42b18f53f..8517c3c3eb33 100644 --- a/arch/arm/kernel/entry-armv.S +++ b/arch/arm/kernel/entry-armv.S @@ -436,7 +436,7 @@ __und_usr: usr_entry tst r3, #PSR_T_BIT @ Thumb mode? - bne fpundefinstr @ ignore FP + bne __und_usr_unknown @ ignore FP sub r4, r2, #4 @ @@ -448,7 +448,7 @@ __und_usr: @ 1: ldrt r0, [r4] adr r9, ret_from_exception - adr lr, fpundefinstr + adr lr, __und_usr_unknown @ @ fallthrough to call_fpe @ @@ -476,7 +476,9 @@ __und_usr: * Emulators may wish to make use of the following registers: * r0 = instruction opcode. * r2 = PC+4 + * r9 = normal "successful" return address * r10 = this threads thread_info structure. + * lr = unrecognised instruction return address */ call_fpe: tst r0, #0x08000000 @ only CDP/CPRT/LDC/STC have bit 27 @@ -545,10 +547,12 @@ do_fpe: .data ENTRY(fp_enter) - .word fpundefinstr + .word no_fp .text -fpundefinstr: +no_fp: mov pc, lr + +__und_usr_unknown: mov r0, sp adr lr, ret_from_exception b do_undefinstr diff --git a/arch/arm/kernel/time.c b/arch/arm/kernel/time.c index 6ff5e3ff6cb5..3c8cdcfe8d4a 100644 --- a/arch/arm/kernel/time.c +++ b/arch/arm/kernel/time.c @@ -29,6 +29,8 @@ #include <linux/timer.h> #include <linux/irq.h> +#include <linux/mc146818rtc.h> + #include <asm/leds.h> #include <asm/thread_info.h> #include <asm/mach/time.h> @@ -85,6 +87,17 @@ unsigned long long __attribute__((weak)) sched_clock(void) return (unsigned long long)jiffies * (1000000000 / HZ); } +/* + * An implementation of printk_clock() independent from + * sched_clock(). This avoids non-bootable kernels when + * printk_clock is enabled. + */ +unsigned long long printk_clock(void) +{ + return (unsigned long long)(jiffies - INITIAL_JIFFIES) * + (1000000000 / HZ); +} + static unsigned long next_rtc_update; /* diff --git a/arch/arm/kernel/traps.c b/arch/arm/kernel/traps.c index 042a12982e98..908915675edc 100644 --- a/arch/arm/kernel/traps.c +++ b/arch/arm/kernel/traps.c @@ -27,6 +27,7 @@ #include <asm/uaccess.h> #include <asm/unistd.h> #include <asm/traps.h> +#include <asm/io.h> #include "ptrace.h" #include "signal.h" diff --git a/arch/arm/mm/flush.c b/arch/arm/mm/flush.c index 628348c9f6c5..9df507d36e0b 100644 --- a/arch/arm/mm/flush.c +++ b/arch/arm/mm/flush.c @@ -202,3 +202,42 @@ void flush_dcache_page(struct page *page) } } EXPORT_SYMBOL(flush_dcache_page); + +/* + * Flush an anonymous page so that users of get_user_pages() + * can safely access the data. The expected sequence is: + * + * get_user_pages() + * -> flush_anon_page + * memcpy() to/from page + * if written to page, flush_dcache_page() + */ +void __flush_anon_page(struct vm_area_struct *vma, struct page *page, unsigned long vmaddr) +{ + unsigned long pfn; + + /* VIPT non-aliasing caches need do nothing */ + if (cache_is_vipt_nonaliasing()) + return; + + /* + * Write back and invalidate userspace mapping. + */ + pfn = page_to_pfn(page); + if (cache_is_vivt()) { + flush_cache_page(vma, vmaddr, pfn); + } else { + /* + * For aliasing VIPT, we can flush an alias of the + * userspace address only. + */ + flush_pfn_alias(pfn, vmaddr); + } + + /* + * Invalidate kernel mapping. No data should be contained + * in this mapping of the page. FIXME: this is overkill + * since we actually ask for a write-back and invalidate. + */ + __cpuc_flush_dcache_page(page_address(page)); +} diff --git a/arch/i386/Kconfig b/arch/i386/Kconfig index 0d67a0a1151e..0dfee812811a 100644 --- a/arch/i386/Kconfig +++ b/arch/i386/Kconfig @@ -777,6 +777,47 @@ config CRASH_DUMP PHYSICAL_START. For more details see Documentation/kdump/kdump.txt +config PHYSICAL_START + hex "Physical address where the kernel is loaded" if (EMBEDDED || CRASH_DUMP) + default "0x100000" + help + This gives the physical address where the kernel is loaded. + + If kernel is a not relocatable (CONFIG_RELOCATABLE=n) then + bzImage will decompress itself to above physical address and + run from there. Otherwise, bzImage will run from the address where + it has been loaded by the boot loader and will ignore above physical + address. + + In normal kdump cases one does not have to set/change this option + as now bzImage can be compiled as a completely relocatable image + (CONFIG_RELOCATABLE=y) and be used to load and run from a different + address. This option is mainly useful for the folks who don't want + to use a bzImage for capturing the crash dump and want to use a + vmlinux instead. vmlinux is not relocatable hence a kernel needs + to be specifically compiled to run from a specific memory area + (normally a reserved region) and this option comes handy. + + So if you are using bzImage for capturing the crash dump, leave + the value here unchanged to 0x100000 and set CONFIG_RELOCATABLE=y. + Otherwise if you plan to use vmlinux for capturing the crash dump + change this value to start of the reserved region (Typically 16MB + 0x1000000). In other words, it can be set based on the "X" value as + specified in the "crashkernel=YM@XM" command line boot parameter + passed to the panic-ed kernel. Typically this parameter is set as + crashkernel=64M@16M. Please take a look at + Documentation/kdump/kdump.txt for more details about crash dumps. + + Usage of bzImage for capturing the crash dump is recommended as + one does not have to build two kernels. Same kernel can be used + as production kernel and capture kernel. Above option should have + gone away after relocatable bzImage support is introduced. But it + is present because there are users out there who continue to use + vmlinux for dump capture. This option should go away down the + line. + + Don't change this unless you know what you are doing. + config RELOCATABLE bool "Build a relocatable kernel(EXPERIMENTAL)" depends on EXPERIMENTAL diff --git a/arch/i386/kernel/cpu/common.c b/arch/i386/kernel/cpu/common.c index 1b34c56f8123..8689d62abd4a 100644 --- a/arch/i386/kernel/cpu/common.c +++ b/arch/i386/kernel/cpu/common.c @@ -54,7 +54,7 @@ static struct cpu_dev __cpuinitdata default_cpu = { .c_init = default_init, .c_vendor = "Unknown", }; -static struct cpu_dev * this_cpu = &default_cpu; +static struct cpu_dev * this_cpu __cpuinitdata = &default_cpu; static int __init cachesize_setup(char *str) { diff --git a/arch/i386/kernel/smpboot.c b/arch/i386/kernel/smpboot.c index aef39be81361..300d9b38d02e 100644 --- a/arch/i386/kernel/smpboot.c +++ b/arch/i386/kernel/smpboot.c @@ -227,7 +227,7 @@ static struct { atomic_t count_start; atomic_t count_stop; unsigned long long values[NR_CPUS]; -} tsc __initdata = { +} tsc __cpuinitdata = { .start_flag = ATOMIC_INIT(0), .count_start = ATOMIC_INIT(0), .count_stop = ATOMIC_INIT(0), @@ -332,7 +332,7 @@ static void __init synchronize_tsc_bp(void) printk("passed.\n"); } -static void __init synchronize_tsc_ap(void) +static void __cpuinit synchronize_tsc_ap(void) { int i; diff --git a/arch/i386/kernel/trampoline.S b/arch/i386/kernel/trampoline.S index fcce0e61b0e7..2f1814c5cfd7 100644 --- a/arch/i386/kernel/trampoline.S +++ b/arch/i386/kernel/trampoline.S @@ -38,6 +38,11 @@ .data +/* We can free up trampoline after bootup if cpu hotplug is not supported. */ +#ifndef CONFIG_HOTPLUG_CPU +.section ".init.data","aw",@progbits +#endif + .code16 ENTRY(trampoline_data) diff --git a/arch/mips/kernel/mips_ksyms.c b/arch/mips/kernel/mips_ksyms.c index f44a01357ada..2ef857c3ee53 100644 --- a/arch/mips/kernel/mips_ksyms.c +++ b/arch/mips/kernel/mips_ksyms.c @@ -46,5 +46,7 @@ EXPORT_SYMBOL(__strnlen_user_nocheck_asm); EXPORT_SYMBOL(__strnlen_user_asm); EXPORT_SYMBOL(csum_partial); +EXPORT_SYMBOL(csum_partial_copy_nocheck); +EXPORT_SYMBOL(__csum_partial_copy_user); EXPORT_SYMBOL(invalid_pte_table); diff --git a/arch/mips/kernel/time.c b/arch/mips/kernel/time.c index 11aab6d6bfe5..8aa544f73a5e 100644 --- a/arch/mips/kernel/time.c +++ b/arch/mips/kernel/time.c @@ -94,10 +94,8 @@ static void c0_timer_ack(void) { unsigned int count; -#ifndef CONFIG_SOC_PNX8550 /* pnx8550 resets to zero */ /* Ack this timer interrupt and set the next one. */ expirelo += cycles_per_jiffy; -#endif write_c0_compare(expirelo); /* Check to see if we have missed any timer interrupts. */ diff --git a/arch/mips/lib/Makefile b/arch/mips/lib/Makefile index 888b61ea12fe..989c900b8b14 100644 --- a/arch/mips/lib/Makefile +++ b/arch/mips/lib/Makefile @@ -2,7 +2,7 @@ # Makefile for MIPS-specific library files.. # -lib-y += csum_partial.o csum_partial_copy.o memcpy.o promlib.o \ +lib-y += csum_partial.o memcpy.o promlib.o \ strlen_user.o strncpy_user.o strnlen_user.o uncached.o obj-y += iomap.o diff --git a/arch/mips/lib/csum_partial.S b/arch/mips/lib/csum_partial.S index 9db357294be1..c0a77fe038be 100644 --- a/arch/mips/lib/csum_partial.S +++ b/arch/mips/lib/csum_partial.S @@ -8,7 +8,9 @@ * Copyright (C) 1998, 1999 Ralf Baechle * Copyright (C) 1999 Silicon Graphics, Inc. */ +#include <linux/errno.h> #include <asm/asm.h> +#include <asm/asm-offsets.h> #include <asm/regdef.h> #ifdef CONFIG_64BIT @@ -271,3 +273,443 @@ small_csumcpy: jr ra .set noreorder END(csum_partial) + + +/* + * checksum and copy routines based on memcpy.S + * + * csum_partial_copy_nocheck(src, dst, len, sum) + * __csum_partial_copy_user(src, dst, len, sum, errp) + * + * See "Spec" in memcpy.S for details. Unlike __copy_user, all + * function in this file use the standard calling convention. + */ + +#define src a0 +#define dst a1 +#define len a2 +#define psum a3 +#define sum v0 +#define odd t8 +#define errptr t9 + +/* + * The exception handler for loads requires that: + * 1- AT contain the address of the byte just past the end of the source + * of the copy, + * 2- src_entry <= src < AT, and + * 3- (dst - src) == (dst_entry - src_entry), + * The _entry suffix denotes values when __copy_user was called. + * + * (1) is set up up by __csum_partial_copy_from_user and maintained by + * not writing AT in __csum_partial_copy + * (2) is met by incrementing src by the number of bytes copied + * (3) is met by not doing loads between a pair of increments of dst and src + * + * The exception handlers for stores stores -EFAULT to errptr and return. + * These handlers do not need to overwrite any data. + */ + +#define EXC(inst_reg,addr,handler) \ +9: inst_reg, addr; \ + .section __ex_table,"a"; \ + PTR 9b, handler; \ + .previous + +#ifdef USE_DOUBLE + +#define LOAD ld +#define LOADL ldl +#define LOADR ldr +#define STOREL sdl +#define STORER sdr +#define STORE sd +#define ADD daddu +#define SUB dsubu +#define SRL dsrl +#define SLL dsll +#define SLLV dsllv +#define SRLV dsrlv +#define NBYTES 8 +#define LOG_NBYTES 3 + +#else + +#define LOAD lw +#define LOADL lwl +#define LOADR lwr +#define STOREL swl +#define STORER swr +#define STORE sw +#define ADD addu +#define SUB subu +#define SRL srl +#define SLL sll +#define SLLV sllv +#define SRLV srlv +#define NBYTES 4 +#define LOG_NBYTES 2 + +#endif /* USE_DOUBLE */ + +#ifdef CONFIG_CPU_LITTLE_ENDIAN +#define LDFIRST LOADR +#define LDREST LOADL +#define STFIRST STORER +#define STREST STOREL +#define SHIFT_DISCARD SLLV +#define SHIFT_DISCARD_REVERT SRLV +#else +#define LDFIRST LOADL +#define LDREST LOADR +#define STFIRST STOREL +#define STREST STORER +#define SHIFT_DISCARD SRLV +#define SHIFT_DISCARD_REVERT SLLV +#endif + +#define FIRST(unit) ((unit)*NBYTES) +#define REST(unit) (FIRST(unit)+NBYTES-1) + +#define ADDRMASK (NBYTES-1) + + .set noat + +LEAF(__csum_partial_copy_user) + PTR_ADDU AT, src, len /* See (1) above. */ +#ifdef CONFIG_64BIT + move errptr, a4 +#else + lw errptr, 16(sp) +#endif +FEXPORT(csum_partial_copy_nocheck) + move sum, zero + move odd, zero + /* + * Note: dst & src may be unaligned, len may be 0 + * Temps + */ + /* + * The "issue break"s below are very approximate. + * Issue delays for dcache fills will perturb the schedule, as will + * load queue full replay traps, etc. + * + * If len < NBYTES use byte operations. + */ + sltu t2, len, NBYTES + and t1, dst, ADDRMASK + bnez t2, copy_bytes_checklen + and t0, src, ADDRMASK + andi odd, dst, 0x1 /* odd buffer? */ + bnez t1, dst_unaligned + nop + bnez t0, src_unaligned_dst_aligned + /* + * use delay slot for fall-through + * src and dst are aligned; need to compute rem + */ +both_aligned: + SRL t0, len, LOG_NBYTES+3 # +3 for 8 units/iter + beqz t0, cleanup_both_aligned # len < 8*NBYTES + nop + SUB len, 8*NBYTES # subtract here for bgez loop + .align 4 +1: +EXC( LOAD t0, UNIT(0)(src), l_exc) +EXC( LOAD t1, UNIT(1)(src), l_exc_copy) +EXC( LOAD t2, UNIT(2)(src), l_exc_copy) +EXC( LOAD t3, UNIT(3)(src), l_exc_copy) +EXC( LOAD t4, UNIT(4)(src), l_exc_copy) +EXC( LOAD t5, UNIT(5)(src), l_exc_copy) +EXC( LOAD t6, UNIT(6)(src), l_exc_copy) +EXC( LOAD t7, UNIT(7)(src), l_exc_copy) + SUB len, len, 8*NBYTES + ADD src, src, 8*NBYTES +EXC( STORE t0, UNIT(0)(dst), s_exc) + ADDC(sum, t0) +EXC( STORE t1, UNIT(1)(dst), s_exc) + ADDC(sum, t1) +EXC( STORE t2, UNIT(2)(dst), s_exc) + ADDC(sum, t2) +EXC( STORE t3, UNIT(3)(dst), s_exc) + ADDC(sum, t3) +EXC( STORE t4, UNIT(4)(dst), s_exc) + ADDC(sum, t4) +EXC( STORE t5, UNIT(5)(dst), s_exc) + ADDC(sum, t5) +EXC( STORE t6, UNIT(6)(dst), s_exc) + ADDC(sum, t6) +EXC( STORE t7, UNIT(7)(dst), s_exc) + ADDC(sum, t7) + bgez len, 1b + ADD dst, dst, 8*NBYTES + ADD len, 8*NBYTES # revert len (see above) + + /* + * len == the number of bytes left to copy < 8*NBYTES + */ +cleanup_both_aligned: +#define rem t7 + beqz len, done + sltu t0, len, 4*NBYTES + bnez t0, less_than_4units + and rem, len, (NBYTES-1) # rem = len % NBYTES + /* + * len >= 4*NBYTES + */ +EXC( LOAD t0, UNIT(0)(src), l_exc) +EXC( LOAD t1, UNIT(1)(src), l_exc_copy) +EXC( LOAD t2, UNIT(2)(src), l_exc_copy) +EXC( LOAD t3, UNIT(3)(src), l_exc_copy) + SUB len, len, 4*NBYTES + ADD src, src, 4*NBYTES +EXC( STORE t0, UNIT(0)(dst), s_exc) + ADDC(sum, t0) +EXC( STORE t1, UNIT(1)(dst), s_exc) + ADDC(sum, t1) +EXC( STORE t2, UNIT(2)(dst), s_exc) + ADDC(sum, t2) +EXC( STORE t3, UNIT(3)(dst), s_exc) + ADDC(sum, t3) + beqz len, done + ADD dst, dst, 4*NBYTES +less_than_4units: + /* + * rem = len % NBYTES + */ + beq rem, len, copy_bytes + nop +1: +EXC( LOAD t0, 0(src), l_exc) + ADD src, src, NBYTES + SUB len, len, NBYTES +EXC( STORE t0, 0(dst), s_exc) + ADDC(sum, t0) + bne rem, len, 1b + ADD dst, dst, NBYTES + + /* + * src and dst are aligned, need to copy rem bytes (rem < NBYTES) + * A loop would do only a byte at a time with possible branch + * mispredicts. Can't do an explicit LOAD dst,mask,or,STORE + * because can't assume read-access to dst. Instead, use + * STREST dst, which doesn't require read access to dst. + * + * This code should perform better than a simple loop on modern, + * wide-issue mips processors because the code has fewer branches and + * more instruction-level parallelism. + */ +#define bits t2 + beqz len, done + ADD t1, dst, len # t1 is just past last byte of dst + li bits, 8*NBYTES + SLL rem, len, 3 # rem = number of bits to keep +EXC( LOAD t0, 0(src), l_exc) + SUB bits, bits, rem # bits = number of bits to discard + SHIFT_DISCARD t0, t0, bits +EXC( STREST t0, -1(t1), s_exc) + SHIFT_DISCARD_REVERT t0, t0, bits + .set reorder + ADDC(sum, t0) + b done + .set noreorder +dst_unaligned: + /* + * dst is unaligned + * t0 = src & ADDRMASK + * t1 = dst & ADDRMASK; T1 > 0 + * len >= NBYTES + * + * Copy enough bytes to align dst + * Set match = (src and dst have same alignment) + */ +#define match rem +EXC( LDFIRST t3, FIRST(0)(src), l_exc) + ADD t2, zero, NBYTES +EXC( LDREST t3, REST(0)(src), l_exc_copy) + SUB t2, t2, t1 # t2 = number of bytes copied + xor match, t0, t1 +EXC( STFIRST t3, FIRST(0)(dst), s_exc) + SLL t4, t1, 3 # t4 = number of bits to discard + SHIFT_DISCARD t3, t3, t4 + /* no SHIFT_DISCARD_REVERT to handle odd buffer properly */ + ADDC(sum, t3) + beq len, t2, done + SUB len, len, t2 + ADD dst, dst, t2 + beqz match, both_aligned + ADD src, src, t2 + +src_unaligned_dst_aligned: + SRL t0, len, LOG_NBYTES+2 # +2 for 4 units/iter + beqz t0, cleanup_src_unaligned + and rem, len, (4*NBYTES-1) # rem = len % 4*NBYTES +1: +/* + * Avoid consecutive LD*'s to the same register since some mips + * implementations can't issue them in the same cycle. + * It's OK to load FIRST(N+1) before REST(N) because the two addresses + * are to the same unit (unless src is aligned, but it's not). + */ +EXC( LDFIRST t0, FIRST(0)(src), l_exc) +EXC( LDFIRST t1, FIRST(1)(src), l_exc_copy) + SUB len, len, 4*NBYTES +EXC( LDREST t0, REST(0)(src), l_exc_copy) +EXC( LDREST t1, REST(1)(src), l_exc_copy) +EXC( LDFIRST t2, FIRST(2)(src), l_exc_copy) +EXC( LDFIRST t3, FIRST(3)(src), l_exc_copy) +EXC( LDREST t2, REST(2)(src), l_exc_copy) +EXC( LDREST t3, REST(3)(src), l_exc_copy) + ADD src, src, 4*NBYTES +#ifdef CONFIG_CPU_SB1 + nop # improves slotting +#endif +EXC( STORE t0, UNIT(0)(dst), s_exc) + ADDC(sum, t0) +EXC( STORE t1, UNIT(1)(dst), s_exc) + ADDC(sum, t1) +EXC( STORE t2, UNIT(2)(dst), s_exc) + ADDC(sum, t2) +EXC( STORE t3, UNIT(3)(dst), s_exc) + ADDC(sum, t3) + bne len, rem, 1b + ADD dst, dst, 4*NBYTES + +cleanup_src_unaligned: + beqz len, done + and rem, len, NBYTES-1 # rem = len % NBYTES + beq rem, len, copy_bytes + nop +1: +EXC( LDFIRST t0, FIRST(0)(src), l_exc) +EXC( LDREST t0, REST(0)(src), l_exc_copy) + ADD src, src, NBYTES + SUB len, len, NBYTES +EXC( STORE t0, 0(dst), s_exc) + ADDC(sum, t0) + bne len, rem, 1b + ADD dst, dst, NBYTES + +copy_bytes_checklen: + beqz len, done + nop +copy_bytes: + /* 0 < len < NBYTES */ +#ifdef CONFIG_CPU_LITTLE_ENDIAN +#define SHIFT_START 0 +#define SHIFT_INC 8 +#else +#define SHIFT_START 8*(NBYTES-1) +#define SHIFT_INC -8 +#endif + move t2, zero # partial word + li t3, SHIFT_START # shift +/* use l_exc_copy here to return correct sum on fault */ +#define COPY_BYTE(N) \ +EXC( lbu t0, N(src), l_exc_copy); \ + SUB len, len, 1; \ +EXC( sb t0, N(dst), s_exc); \ + SLLV t0, t0, t3; \ + addu t3, SHIFT_INC; \ + beqz len, copy_bytes_done; \ + or t2, t0 + + COPY_BYTE(0) + COPY_BYTE(1) +#ifdef USE_DOUBLE + COPY_BYTE(2) + COPY_BYTE(3) + COPY_BYTE(4) + COPY_BYTE(5) +#endif +EXC( lbu t0, NBYTES-2(src), l_exc_copy) + SUB len, len, 1 +EXC( sb t0, NBYTES-2(dst), s_exc) + SLLV t0, t0, t3 + or t2, t0 +copy_bytes_done: + ADDC(sum, t2) +done: + /* fold checksum */ +#ifdef USE_DOUBLE + dsll32 v1, sum, 0 + daddu sum, v1 + sltu v1, sum, v1 + dsra32 sum, sum, 0 + addu sum, v1 +#endif + sll v1, sum, 16 + addu sum, v1 + sltu v1, sum, v1 + srl sum, sum, 16 + addu sum, v1 + + /* odd buffer alignment? */ + beqz odd, 1f + nop + sll v1, sum, 8 + srl sum, sum, 8 + or sum, v1 + andi sum, 0xffff +1: + .set reorder + ADDC(sum, psum) + jr ra + .set noreorder + +l_exc_copy: + /* + * Copy bytes from src until faulting load address (or until a + * lb faults) + * + * When reached by a faulting LDFIRST/LDREST, THREAD_BUADDR($28) + * may be more than a byte beyond the last address. + * Hence, the lb below may get an exception. + * + * Assumes src < THREAD_BUADDR($28) + */ + LOAD t0, TI_TASK($28) + li t2, SHIFT_START + LOAD t0, THREAD_BUADDR(t0) +1: +EXC( lbu t1, 0(src), l_exc) + ADD src, src, 1 + sb t1, 0(dst) # can't fault -- we're copy_from_user + SLLV t1, t1, t2 + addu t2, SHIFT_INC + ADDC(sum, t1) + bne src, t0, 1b + ADD dst, dst, 1 +l_exc: + LOAD t0, TI_TASK($28) + nop + LOAD t0, THREAD_BUADDR(t0) # t0 is just past last good address + nop + SUB len, AT, t0 # len number of uncopied bytes + /* + * Here's where we rely on src and dst being incremented in tandem, + * See (3) above. + * dst += (fault addr - src) to put dst at first byte to clear + */ + ADD dst, t0 # compute start address in a1 + SUB dst, src + /* + * Clear len bytes starting at dst. Can't call __bzero because it + * might modify len. An inefficient loop for these rare times... + */ + beqz len, done + SUB src, len, 1 +1: sb zero, 0(dst) + ADD dst, dst, 1 + bnez src, 1b + SUB src, src, 1 + li v1, -EFAULT + b done + sw v1, (errptr) + +s_exc: + li v0, -1 /* invalid checksum */ + li v1, -EFAULT + jr ra + sw v1, (errptr) + END(__csum_partial_copy_user) diff --git a/arch/mips/lib/csum_partial_copy.c b/arch/mips/lib/csum_partial_copy.c deleted file mode 100644 index 06771040a267..000000000000 --- a/arch/mips/lib/csum_partial_copy.c +++ /dev/null @@ -1,52 +0,0 @@ -/* - * This file is subject to the terms and conditions of the GNU General Public - * License. See the file "COPYING" in the main directory of this archive - * for more details. - * - * Copyright (C) 1994, 1995 Waldorf Electronics GmbH - * Copyright (C) 1998, 1999 Ralf Baechle - */ -#include <linux/kernel.h> -#include <linux/module.h> -#include <linux/types.h> -#include <asm/byteorder.h> -#include <asm/string.h> -#include <asm/uaccess.h> -#include <net/checksum.h> - -/* - * copy while checksumming, otherwise like csum_partial - */ -__wsum csum_partial_copy_nocheck(const void *src, - void *dst, int len, __wsum sum) -{ - /* - * It's 2:30 am and I don't feel like doing it real ... - * This is lots slower than the real thing (tm) - */ - sum = csum_partial(src, len, sum); - memcpy(dst, src, len); - - return sum; -} - -EXPORT_SYMBOL(csum_partial_copy_nocheck); - -/* - * Copy from userspace and compute checksum. If we catch an exception - * then zero the rest of the buffer. - */ -__wsum csum_partial_copy_from_user (const void __user *src, - void *dst, int len, __wsum sum, int *err_ptr) -{ - int missing; - - might_sleep(); - missing = copy_from_user(dst, src, len); - if (missing) { - memset(dst + len - missing, 0, missing); - *err_ptr = -EFAULT; - } - - return csum_partial(dst, len, sum); -} diff --git a/arch/mips/mips-boards/generic/time.c b/arch/mips/mips-boards/generic/time.c index e4604c73f02e..a3c3a1d462b2 100644 --- a/arch/mips/mips-boards/generic/time.c +++ b/arch/mips/mips-boards/generic/time.c @@ -47,6 +47,9 @@ #ifdef CONFIG_MIPS_MALTA #include <asm/mips-boards/maltaint.h> #endif +#ifdef CONFIG_MIPS_SEAD +#include <asm/mips-boards/seadint.h> +#endif unsigned long cpu_khz; @@ -263,11 +266,13 @@ void __init mips_time_init(void) void __init plat_timer_setup(struct irqaction *irq) { +#ifdef MSC01E_INT_BASE if (cpu_has_veic) { set_vi_handler (MSC01E_INT_CPUCTR, mips_timer_dispatch); mips_cpu_timer_irq = MSC01E_INT_BASE + MSC01E_INT_CPUCTR; - } - else { + } else +#endif + { if (cpu_has_vint) set_vi_handler (MIPSCPU_INT_CPUCTR, mips_timer_dispatch); mips_cpu_timer_irq = MIPSCPU_INT_BASE + MIPSCPU_INT_CPUCTR; diff --git a/arch/mips/mips-boards/malta/malta_mtd.c b/arch/mips/mips-boards/malta/malta_mtd.c new file mode 100644 index 000000000000..8ad9bdf25dce --- /dev/null +++ b/arch/mips/mips-boards/malta/malta_mtd.c @@ -0,0 +1,63 @@ +/* + * This file is subject to the terms and conditions of the GNU General Public + * License. See the file "COPYING" in the main directory of this archive + * for more details. + * + * Copyright (C) 2006 MIPS Technologies, Inc. + * written by Ralf Baechle <ralf@linux-mips.org> + */ + +#include <linux/init.h> +#include <linux/platform_device.h> +#include <linux/mtd/partitions.h> +#include <linux/mtd/physmap.h> +#include <mtd/mtd-abi.h> + +static struct mtd_partition malta_mtd_partitions[] = { + { + .name = "YAMON", + .offset = 0x0, + .size = 0x100000, + .mask_flags = MTD_WRITEABLE + }, { + .name = "User FS", + .offset = 0x100000, + .size = 0x2e0000 + }, { + .name = "Board Config", + .offset = 0x3e0000, + .size = 0x020000, + .mask_flags = MTD_WRITEABLE + } +}; + +static struct physmap_flash_data malta_flash_data = { + .width = 4, + .nr_parts = ARRAY_SIZE(malta_mtd_partitions), + .parts = malta_mtd_partitions +}; + +static struct resource malta_flash_resource = { + .start = 0x1e000000, + .end = 0x1e3fffff, + .flags = IORESOURCE_MEM +}; + +static struct platform_device malta_flash = { + .name = "physmap-flash", + .id = 0, + .dev = { + .platform_data = &malta_flash_data, + }, + .num_resources = 1, + .resource = &malta_flash_resource, +}; + +static int __init malta_mtd_init(void) +{ + platform_device_register(&malta_flash); + + return 0; +} + +module_init(malta_mtd_init) diff --git a/arch/mips/mips-boards/sead/sead_int.c b/arch/mips/mips-boards/sead/sead_int.c index f445fcddfdfd..874ccb0066b8 100644 --- a/arch/mips/mips-boards/sead/sead_int.c +++ b/arch/mips/mips-boards/sead/sead_int.c @@ -21,7 +21,7 @@ * Sead board. */ #include <linux/init.h> -#include <linux/irq.h> +#include <linux/interrupt.h> #include <asm/irq_cpu.h> #include <asm/mipsregs.h> @@ -108,7 +108,7 @@ asmlinkage void plat_irq_dispatch(void) if (irq >= 0) do_IRQ(MIPSCPU_INT_BASE + irq); else - spurious_interrupt(regs); + spurious_interrupt(); } void __init arch_init_irq(void) diff --git a/arch/mips/mm/pg-r4k.c b/arch/mips/mm/pg-r4k.c index d41fc5885e87..dc795be62807 100644 --- a/arch/mips/mm/pg-r4k.c +++ b/arch/mips/mm/pg-r4k.c @@ -243,11 +243,10 @@ static void __init __build_store_reg(int reg) static inline void build_store_reg(int reg) { - if (cpu_has_prefetch) - if (reg) - build_dst_pref(pref_offset_copy); - else - build_dst_pref(pref_offset_clear); + int pref_off = cpu_has_prefetch ? + (reg ? pref_offset_copy : pref_offset_clear) : 0; + if (pref_off) + build_dst_pref(pref_off); else if (cpu_has_cache_cdex_s) build_cdex_s(); else if (cpu_has_cache_cdex_p) diff --git a/arch/mips/pci/ops-pnx8550.c b/arch/mips/pci/ops-pnx8550.c index 454b65cc3354..f556b7a8dccd 100644 --- a/arch/mips/pci/ops-pnx8550.c +++ b/arch/mips/pci/ops-pnx8550.c @@ -202,7 +202,7 @@ write_config_byte(struct pci_bus *bus, unsigned int devfn, int where, u8 val) break; } - err = config_access(PCI_CMD_CONFIG_READ, bus, devfn, where, ~(1 << (where & 3)), &data); + err = config_access(PCI_CMD_CONFIG_WRITE, bus, devfn, where, ~(1 << (where & 3)), &data); return err; } diff --git a/arch/mips/philips/pnx8550/common/time.c b/arch/mips/philips/pnx8550/common/time.c index 65c440e8480b..f80acae07cee 100644 --- a/arch/mips/philips/pnx8550/common/time.c +++ b/arch/mips/philips/pnx8550/common/time.c @@ -33,7 +33,17 @@ #include <int.h> #include <cm.h> -extern unsigned int mips_hpt_frequency; +static unsigned long cpj; + +static cycle_t hpt_read(void) +{ + return read_c0_count2(); +} + +static void timer_ack(void) +{ + write_c0_compare(cpj); +} /* * pnx8550_time_init() - it does the following things: @@ -68,27 +78,47 @@ void pnx8550_time_init(void) * HZ timer interrupts per second. */ mips_hpt_frequency = 27UL * ((1000000UL * n)/(m * pow2p)); + cpj = (mips_hpt_frequency + HZ / 2) / HZ; + timer_ack(); + + /* Setup Timer 2 */ + write_c0_count2(0); + write_c0_compare2(0xffffffff); + + clocksource_mips.read = hpt_read; + mips_timer_ack = timer_ack; +} + +static irqreturn_t monotonic_interrupt(int irq, void *dev_id) +{ + /* Timer 2 clear interrupt */ + write_c0_compare2(-1); + return IRQ_HANDLED; } +static struct irqaction monotonic_irqaction = { + .handler = monotonic_interrupt, + .flags = IRQF_DISABLED, + .name = "Monotonic timer", +}; + void __init plat_timer_setup(struct irqaction *irq) { int configPR; setup_irq(PNX8550_INT_TIMER1, irq); + setup_irq(PNX8550_INT_TIMER2, &monotonic_irqaction); - /* Start timer1 */ + /* Timer 1 start */ configPR = read_c0_config7(); configPR &= ~0x00000008; write_c0_config7(configPR); - /* Timer 2 stop */ + /* Timer 2 start */ configPR = read_c0_config7(); - configPR |= 0x00000010; + configPR &= ~0x00000010; write_c0_config7(configPR); - write_c0_count2(0); - write_c0_compare2(0xffffffff); - /* Timer 3 stop */ configPR = read_c0_config7(); configPR |= 0x00000020; diff --git a/arch/powerpc/Kconfig b/arch/powerpc/Kconfig index 8699dadcd096..0855d55c194d 100644 --- a/arch/powerpc/Kconfig +++ b/arch/powerpc/Kconfig @@ -436,7 +436,7 @@ config PPC_EFIKA select RTAS_PROC select PPC_MPC52xx select PPC_NATIVE - default y + default n config PPC_LITE5200 bool "Freescale Lite5200 Eval Board" @@ -471,7 +471,7 @@ config PPC_PREP select PPC_INDIRECT_PCI select PPC_UDBG_16550 select PPC_NATIVE - default y + default n config PPC_MAPLE depends on PPC_MULTIPLATFORM && PPC64 diff --git a/arch/powerpc/boot/dts/lite5200.dts b/arch/powerpc/boot/dts/lite5200.dts index 8bc0d259796d..a8efb59f5dd7 100644 --- a/arch/powerpc/boot/dts/lite5200.dts +++ b/arch/powerpc/boot/dts/lite5200.dts @@ -238,7 +238,7 @@ // PSC3 in CODEC mode example i2s@2400 { // PSC3 - device_type = "i2s"; + device_type = "sound"; compatible = "mpc5200-psc-i2s\0mpc52xx-psc-i2s"; reg = <2400 100>; interrupts = <2 3 0>; @@ -265,7 +265,7 @@ // PSC6 in AC97 mode example ac97@2c00 { // PSC6 - device_type = "ac97"; + device_type = "sound"; compatible = "mpc5200-psc-ac97\0mpc52xx-psc-ac97"; reg = <2c00 100>; interrupts = <2 4 0>; diff --git a/arch/powerpc/boot/dts/lite5200b.dts b/arch/powerpc/boot/dts/lite5200b.dts index 81cb76418a78..1aabee432d86 100644 --- a/arch/powerpc/boot/dts/lite5200b.dts +++ b/arch/powerpc/boot/dts/lite5200b.dts @@ -243,7 +243,7 @@ // PSC3 in CODEC mode example i2s@2400 { // PSC3 - device_type = "i2s"; + device_type = "sound"; compatible = "mpc5200b-psc-i2s\0mpc52xx-psc-i2s"; reg = <2400 100>; interrupts = <2 3 0>; @@ -270,7 +270,7 @@ // PSC6 in AC97 mode example ac97@2c00 { // PSC6 - device_type = "ac97"; + device_type = "sound"; compatible = "mpc5200b-psc-ac97\0mpc52xx-psc-ac97"; reg = <2c00 100>; interrupts = <2 4 0>; diff --git a/arch/powerpc/configs/ppc64_defconfig b/arch/powerpc/configs/ppc64_defconfig index 1c009651f925..340376a47001 100644 --- a/arch/powerpc/configs/ppc64_defconfig +++ b/arch/powerpc/configs/ppc64_defconfig @@ -1,7 +1,7 @@ # # Automatically generated make config: don't edit -# Linux kernel version: 2.6.18-rc6 -# Sun Sep 10 10:45:11 2006 +# Linux kernel version: 2.6.20-rc3 +# Tue Jan 2 15:32:44 2007 # CONFIG_PPC64=y CONFIG_64BIT=y @@ -10,6 +10,8 @@ CONFIG_MMU=y CONFIG_GENERIC_HARDIRQS=y CONFIG_IRQ_PER_CPU=y CONFIG_RWSEM_XCHGADD_ALGORITHM=y +CONFIG_ARCH_HAS_ILOG2_U32=y +CONFIG_ARCH_HAS_ILOG2_U64=y CONFIG_GENERIC_HWEIGHT=y CONFIG_GENERIC_CALIBRATE_DELAY=y CONFIG_GENERIC_FIND_NEXT_BIT=y @@ -22,6 +24,8 @@ CONFIG_ARCH_MAY_HAVE_PC_FDC=y CONFIG_PPC_OF=y CONFIG_PPC_UDBG_16550=y CONFIG_GENERIC_TBSYNC=y +CONFIG_AUDIT_ARCH=y +CONFIG_GENERIC_BUG=y # CONFIG_DEFAULT_UIMAGE is not set # @@ -31,6 +35,10 @@ CONFIG_GENERIC_TBSYNC=y CONFIG_POWER3=y CONFIG_POWER4=y CONFIG_PPC_FPU=y +# CONFIG_PPC_DCR_NATIVE is not set +CONFIG_PPC_DCR_MMIO=y +CONFIG_PPC_DCR=y +CONFIG_PPC_OF_PLATFORM_PCI=y CONFIG_ALTIVEC=y CONFIG_PPC_STD_MMU=y CONFIG_VIRT_CPU_ACCOUNTING=y @@ -52,19 +60,24 @@ CONFIG_LOCALVERSION="" CONFIG_LOCALVERSION_AUTO=y CONFIG_SWAP=y CONFIG_SYSVIPC=y +# CONFIG_IPC_NS is not set CONFIG_POSIX_MQUEUE=y # CONFIG_BSD_PROCESS_ACCT is not set CONFIG_TASKSTATS=y CONFIG_TASK_DELAY_ACCT=y -CONFIG_SYSCTL=y +# CONFIG_UTS_NS is not set # CONFIG_AUDIT is not set CONFIG_IKCONFIG=y CONFIG_IKCONFIG_PROC=y CONFIG_CPUSETS=y +CONFIG_SYSFS_DEPRECATED=y CONFIG_RELAY=y CONFIG_INITRAMFS_SOURCE="" CONFIG_CC_OPTIMIZE_FOR_SIZE=y +# CONFIG_TASK_XACCT is not set +CONFIG_SYSCTL=y # CONFIG_EMBEDDED is not set +CONFIG_SYSCTL_SYSCALL=y CONFIG_KALLSYMS=y CONFIG_KALLSYMS_ALL=y # CONFIG_KALLSYMS_EXTRA_PASS is not set @@ -73,12 +86,12 @@ CONFIG_PRINTK=y CONFIG_BUG=y CONFIG_ELF_CORE=y CONFIG_BASE_FULL=y -CONFIG_RT_MUTEXES=y CONFIG_FUTEX=y CONFIG_EPOLL=y CONFIG_SHMEM=y CONFIG_SLAB=y CONFIG_VM_EVENT_COUNTERS=y +CONFIG_RT_MUTEXES=y # CONFIG_TINY_SHMEM is not set CONFIG_BASE_SMALL=0 # CONFIG_SLOB is not set @@ -97,6 +110,7 @@ CONFIG_STOP_MACHINE=y # # Block layer # +CONFIG_BLOCK=y CONFIG_BLK_DEV_IO_TRACE=y # @@ -116,16 +130,20 @@ CONFIG_DEFAULT_IOSCHED="anticipatory" # Platform support # CONFIG_PPC_MULTIPLATFORM=y -# CONFIG_PPC_ISERIES is not set # CONFIG_EMBEDDED6xx is not set # CONFIG_APUS is not set CONFIG_PPC_PSERIES=y +CONFIG_PPC_ISERIES=y +# CONFIG_PPC_MPC52xx is not set CONFIG_PPC_PMAC=y CONFIG_PPC_PMAC64=y CONFIG_PPC_MAPLE=y +# CONFIG_PPC_PASEMI is not set CONFIG_PPC_CELL=y CONFIG_PPC_CELL_NATIVE=y CONFIG_PPC_IBM_CELL_BLADE=y +# CONFIG_PPC_PS3 is not set +CONFIG_PPC_NATIVE=y CONFIG_UDBG_RTAS_CONSOLE=y CONFIG_XICS=y CONFIG_U3_DART=y @@ -139,6 +157,8 @@ CONFIG_IBMVIO=y # CONFIG_IBMEBUS is not set # CONFIG_PPC_MPC106 is not set CONFIG_PPC_970_NAP=y +CONFIG_PPC_INDIRECT_IO=y +CONFIG_GENERIC_IOMAP=y CONFIG_CPU_FREQ=y CONFIG_CPU_FREQ_TABLE=y # CONFIG_CPU_FREQ_DEBUG is not set @@ -160,14 +180,16 @@ CONFIG_MPIC=y # CONFIG_SPU_FS=m CONFIG_SPU_BASE=y -CONFIG_SPUFS_MMAP=y CONFIG_CBE_RAS=y +CONFIG_CBE_THERM=m +CONFIG_CBE_CPUFREQ=m # # Kernel options # # CONFIG_HZ_100 is not set CONFIG_HZ_250=y +# CONFIG_HZ_300 is not set # CONFIG_HZ_1000 is not set CONFIG_HZ=250 CONFIG_PREEMPT_NONE=y @@ -192,6 +214,7 @@ CONFIG_ARCH_SELECT_MEMORY_MODEL=y CONFIG_ARCH_FLATMEM_ENABLE=y CONFIG_ARCH_SPARSEMEM_ENABLE=y CONFIG_ARCH_SPARSEMEM_DEFAULT=y +CONFIG_ARCH_POPULATES_NODE_MAP=y CONFIG_SELECT_MEMORY_MODEL=y # CONFIG_FLATMEM_MANUAL is not set # CONFIG_DISCONTIGMEM_MANUAL is not set @@ -201,6 +224,7 @@ CONFIG_HAVE_MEMORY_PRESENT=y # CONFIG_SPARSEMEM_STATIC is not set CONFIG_SPARSEMEM_EXTREME=y CONFIG_MEMORY_HOTPLUG=y +CONFIG_MEMORY_HOTPLUG_SPARSE=y CONFIG_SPLIT_PTLOCK_CPUS=4 CONFIG_RESOURCES_64BIT=y CONFIG_ARCH_MEMORY_PROBE=y @@ -222,6 +246,7 @@ CONFIG_PPC_I8259=y CONFIG_PCI=y CONFIG_PCI_DOMAINS=y # CONFIG_PCIEPORTBUS is not set +# CONFIG_PCI_MULTITHREAD_PROBE is not set # CONFIG_PCI_DEBUG is not set # @@ -254,6 +279,7 @@ CONFIG_PACKET=y CONFIG_UNIX=y CONFIG_XFRM=y CONFIG_XFRM_USER=m +# CONFIG_XFRM_SUB_POLICY is not set CONFIG_NET_KEY=m CONFIG_INET=y CONFIG_IP_MULTICAST=y @@ -272,10 +298,13 @@ CONFIG_INET_XFRM_TUNNEL=m CONFIG_INET_TUNNEL=y CONFIG_INET_XFRM_MODE_TRANSPORT=y CONFIG_INET_XFRM_MODE_TUNNEL=y +CONFIG_INET_XFRM_MODE_BEET=y CONFIG_INET_DIAG=y CONFIG_INET_TCP_DIAG=y # CONFIG_TCP_CONG_ADVANCED is not set -CONFIG_TCP_CONG_BIC=y +CONFIG_TCP_CONG_CUBIC=y +CONFIG_DEFAULT_TCP_CONG="cubic" +# CONFIG_TCP_MD5SIG is not set # # IP: Virtual Server Configuration @@ -294,25 +323,31 @@ CONFIG_NETFILTER=y CONFIG_NETFILTER_NETLINK=y CONFIG_NETFILTER_NETLINK_QUEUE=m CONFIG_NETFILTER_NETLINK_LOG=m +CONFIG_NF_CONNTRACK_ENABLED=m +CONFIG_NF_CONNTRACK_SUPPORT=y +# CONFIG_IP_NF_CONNTRACK_SUPPORT is not set +CONFIG_NF_CONNTRACK=m +CONFIG_NF_CT_ACCT=y +CONFIG_NF_CONNTRACK_MARK=y +CONFIG_NF_CONNTRACK_EVENTS=y +CONFIG_NF_CT_PROTO_GRE=m +CONFIG_NF_CT_PROTO_SCTP=m +CONFIG_NF_CONNTRACK_AMANDA=m +CONFIG_NF_CONNTRACK_FTP=m +CONFIG_NF_CONNTRACK_H323=m +CONFIG_NF_CONNTRACK_IRC=m +CONFIG_NF_CONNTRACK_NETBIOS_NS=m +CONFIG_NF_CONNTRACK_PPTP=m +CONFIG_NF_CONNTRACK_SIP=m +CONFIG_NF_CONNTRACK_TFTP=m +CONFIG_NF_CT_NETLINK=m # CONFIG_NETFILTER_XTABLES is not set # # IP: Netfilter Configuration # -CONFIG_IP_NF_CONNTRACK=m -CONFIG_IP_NF_CT_ACCT=y -CONFIG_IP_NF_CONNTRACK_MARK=y -CONFIG_IP_NF_CONNTRACK_EVENTS=y -CONFIG_IP_NF_CONNTRACK_NETLINK=m -CONFIG_IP_NF_CT_PROTO_SCTP=m -CONFIG_IP_NF_FTP=m -CONFIG_IP_NF_IRC=m -# CONFIG_IP_NF_NETBIOS_NS is not set -CONFIG_IP_NF_TFTP=m -CONFIG_IP_NF_AMANDA=m -# CONFIG_IP_NF_PPTP is not set -# CONFIG_IP_NF_H323 is not set -CONFIG_IP_NF_SIP=m +CONFIG_NF_CONNTRACK_IPV4=m +CONFIG_NF_CONNTRACK_PROC_COMPAT=y CONFIG_IP_NF_QUEUE=m # @@ -339,7 +374,6 @@ CONFIG_LLC=y # CONFIG_ATALK is not set # CONFIG_X25 is not set # CONFIG_LAPB is not set -# CONFIG_NET_DIVERT is not set # CONFIG_ECONET is not set # CONFIG_WAN_ROUTER is not set @@ -412,6 +446,12 @@ CONFIG_BLK_DEV_INITRD=y # CONFIG_ATA_OVER_ETH is not set # +# Misc devices +# +# CONFIG_SGI_IOC4 is not set +# CONFIG_TIFM_CORE is not set + +# # ATA/ATAPI/MFM/RLL support # CONFIG_IDE=y @@ -438,7 +478,6 @@ CONFIG_IDEPCI_SHARE_IRQ=y # CONFIG_BLK_DEV_OFFBOARD is not set CONFIG_BLK_DEV_GENERIC=y # CONFIG_BLK_DEV_OPTI621 is not set -CONFIG_BLK_DEV_SL82C105=y CONFIG_BLK_DEV_IDEDMA_PCI=y # CONFIG_BLK_DEV_IDEDMA_FORCED is not set CONFIG_IDEDMA_PCI_AUTO=y @@ -453,6 +492,7 @@ CONFIG_BLK_DEV_AMD74XX=y # CONFIG_BLK_DEV_CS5530 is not set # CONFIG_BLK_DEV_HPT34X is not set # CONFIG_BLK_DEV_HPT366 is not set +# CONFIG_BLK_DEV_JMICRON is not set # CONFIG_BLK_DEV_SC1200 is not set # CONFIG_BLK_DEV_PIIX is not set # CONFIG_BLK_DEV_IT821X is not set @@ -461,6 +501,7 @@ CONFIG_BLK_DEV_AMD74XX=y # CONFIG_BLK_DEV_PDC202XX_NEW is not set # CONFIG_BLK_DEV_SVWKS is not set # CONFIG_BLK_DEV_SIIMAGE is not set +CONFIG_BLK_DEV_SL82C105=y # CONFIG_BLK_DEV_SLC90E66 is not set # CONFIG_BLK_DEV_TRM290 is not set # CONFIG_BLK_DEV_VIA82CXXX is not set @@ -478,6 +519,8 @@ CONFIG_IDEDMA_AUTO=y # # CONFIG_RAID_ATTRS is not set CONFIG_SCSI=y +# CONFIG_SCSI_TGT is not set +CONFIG_SCSI_NETLINK=y CONFIG_SCSI_PROC_FS=y # @@ -497,14 +540,16 @@ CONFIG_CHR_DEV_SG=y CONFIG_SCSI_MULTI_LUN=y CONFIG_SCSI_CONSTANTS=y # CONFIG_SCSI_LOGGING is not set +# CONFIG_SCSI_SCAN_ASYNC is not set # -# SCSI Transport Attributes +# SCSI Transports # CONFIG_SCSI_SPI_ATTRS=y CONFIG_SCSI_FC_ATTRS=y CONFIG_SCSI_ISCSI_ATTRS=m # CONFIG_SCSI_SAS_ATTRS is not set +# CONFIG_SCSI_SAS_LIBSAS is not set # # SCSI low-level drivers @@ -517,26 +562,12 @@ CONFIG_SCSI_ISCSI_ATTRS=m # CONFIG_SCSI_AIC7XXX is not set # CONFIG_SCSI_AIC7XXX_OLD is not set # CONFIG_SCSI_AIC79XX is not set +# CONFIG_SCSI_AIC94XX is not set +# CONFIG_SCSI_ARCMSR is not set # CONFIG_MEGARAID_NEWGEN is not set # CONFIG_MEGARAID_LEGACY is not set # CONFIG_MEGARAID_SAS is not set -CONFIG_ATA=y -# CONFIG_SATA_AHCI is not set -CONFIG_SATA_SVW=y -# CONFIG_SCSI_ATA_PIIX is not set -# CONFIG_SATA_MV is not set -# CONFIG_SATA_NV is not set -# CONFIG_SCSI_PDC_ADMA is not set # CONFIG_SCSI_HPTIOP is not set -# CONFIG_SATA_QSTOR is not set -# CONFIG_SATA_PROMISE is not set -# CONFIG_SATA_SX4 is not set -# CONFIG_SATA_SIL is not set -# CONFIG_SATA_SIL24 is not set -# CONFIG_SATA_SIS is not set -# CONFIG_SATA_ULI is not set -# CONFIG_SATA_VIA is not set -# CONFIG_SATA_VITESSE is not set # CONFIG_SCSI_BUSLOGIC is not set # CONFIG_SCSI_DMX3191D is not set # CONFIG_SCSI_EATA is not set @@ -546,6 +577,7 @@ CONFIG_SATA_SVW=y CONFIG_SCSI_IBMVSCSI=y # CONFIG_SCSI_INITIO is not set # CONFIG_SCSI_INIA100 is not set +# CONFIG_SCSI_STEX is not set CONFIG_SCSI_SYM53C8XX_2=y CONFIG_SCSI_SYM53C8XX_DMA_ADDRESSING_MODE=0 CONFIG_SCSI_SYM53C8XX_DEFAULT_TAGS=16 @@ -556,10 +588,66 @@ CONFIG_SCSI_IPR_TRACE=y CONFIG_SCSI_IPR_DUMP=y # CONFIG_SCSI_QLOGIC_1280 is not set # CONFIG_SCSI_QLA_FC is not set +# CONFIG_SCSI_QLA_ISCSI is not set CONFIG_SCSI_LPFC=m # CONFIG_SCSI_DC395x is not set # CONFIG_SCSI_DC390T is not set CONFIG_SCSI_DEBUG=m +# CONFIG_SCSI_SRP is not set + +# +# Serial ATA (prod) and Parallel ATA (experimental) drivers +# +CONFIG_ATA=y +# CONFIG_SATA_AHCI is not set +CONFIG_SATA_SVW=y +# CONFIG_ATA_PIIX is not set +# CONFIG_SATA_MV is not set +# CONFIG_SATA_NV is not set +# CONFIG_PDC_ADMA is not set +# CONFIG_SATA_QSTOR is not set +# CONFIG_SATA_PROMISE is not set +# CONFIG_SATA_SX4 is not set +# CONFIG_SATA_SIL is not set +# CONFIG_SATA_SIL24 is not set +# CONFIG_SATA_SIS is not set +# CONFIG_SATA_ULI is not set +# CONFIG_SATA_VIA is not set +# CONFIG_SATA_VITESSE is not set +# CONFIG_PATA_ALI is not set +# CONFIG_PATA_AMD is not set +# CONFIG_PATA_ARTOP is not set +# CONFIG_PATA_ATIIXP is not set +# CONFIG_PATA_CMD64X is not set +# CONFIG_PATA_CS5520 is not set +# CONFIG_PATA_CS5530 is not set +# CONFIG_PATA_CYPRESS is not set +# CONFIG_PATA_EFAR is not set +# CONFIG_ATA_GENERIC is not set +# CONFIG_PATA_HPT366 is not set +# CONFIG_PATA_HPT37X is not set +# CONFIG_PATA_HPT3X2N is not set +# CONFIG_PATA_HPT3X3 is not set +# CONFIG_PATA_IT821X is not set +# CONFIG_PATA_JMICRON is not set +# CONFIG_PATA_TRIFLEX is not set +# CONFIG_PATA_MARVELL is not set +# CONFIG_PATA_MPIIX is not set +# CONFIG_PATA_OLDPIIX is not set +# CONFIG_PATA_NETCELL is not set +# CONFIG_PATA_NS87410 is not set +# CONFIG_PATA_OPTI is not set +# CONFIG_PATA_OPTIDMA is not set +# CONFIG_PATA_PDC_OLD is not set +# CONFIG_PATA_RADISYS is not set +# CONFIG_PATA_RZ1000 is not set +# CONFIG_PATA_SC1200 is not set +# CONFIG_PATA_SERVERWORKS is not set +# CONFIG_PATA_PDC2027X is not set +# CONFIG_PATA_SIL680 is not set +# CONFIG_PATA_SIS is not set +# CONFIG_PATA_VIA is not set +# CONFIG_PATA_WINBOND is not set # # Multi-device support (RAID and LVM) @@ -575,6 +663,7 @@ CONFIG_MD_RAID5_RESHAPE=y CONFIG_MD_MULTIPATH=m CONFIG_MD_FAULTY=m CONFIG_BLK_DEV_DM=y +# CONFIG_DM_DEBUG is not set CONFIG_DM_CRYPT=m CONFIG_DM_SNAPSHOT=m CONFIG_DM_MIRROR=m @@ -630,11 +719,13 @@ CONFIG_IEEE1394_RAWIO=y CONFIG_ADB_PMU=y # CONFIG_ADB_PMU_LED is not set CONFIG_PMAC_SMU=y +# CONFIG_MAC_EMUMOUSEBTN is not set CONFIG_THERM_PM72=y CONFIG_WINDFARM=y CONFIG_WINDFARM_PM81=y CONFIG_WINDFARM_PM91=y CONFIG_WINDFARM_PM112=y +# CONFIG_PMAC_RACKMETER is not set # # Network device support @@ -675,6 +766,7 @@ CONFIG_VORTEX=y CONFIG_IBMVETH=m CONFIG_NET_PCI=y CONFIG_PCNET32=y +# CONFIG_PCNET32_NAPI is not set # CONFIG_AMD8111_ETH is not set # CONFIG_ADAPTEC_STARFIRE is not set # CONFIG_B44 is not set @@ -713,7 +805,7 @@ CONFIG_E1000=y CONFIG_TIGON3=y # CONFIG_BNX2 is not set CONFIG_SPIDER_NET=m -# CONFIG_MV643XX_ETH is not set +# CONFIG_QLA3XXX is not set # # Ethernet (10000 Mbit) @@ -723,6 +815,7 @@ CONFIG_IXGB=m # CONFIG_IXGB_NAPI is not set # CONFIG_S2IO is not set # CONFIG_MYRI10GE is not set +# CONFIG_NETXEN_NIC is not set # # Token Ring devices @@ -741,6 +834,7 @@ CONFIG_IBMOL=y # Wan interfaces # # CONFIG_WAN is not set +CONFIG_ISERIES_VETH=m # CONFIG_FDDI is not set # CONFIG_HIPPI is not set CONFIG_PPP=m @@ -753,6 +847,7 @@ CONFIG_PPP_BSDCOMP=m # CONFIG_PPP_MPPE is not set CONFIG_PPPOE=m # CONFIG_SLIP is not set +CONFIG_SLHC=m # CONFIG_NET_FC is not set # CONFIG_SHAPER is not set CONFIG_NETCONSOLE=y @@ -775,6 +870,7 @@ CONFIG_NET_POLL_CONTROLLER=y # Input device support # CONFIG_INPUT=y +# CONFIG_INPUT_FF_MEMLESS is not set # # Userland interfaces @@ -797,6 +893,7 @@ CONFIG_KEYBOARD_ATKBD=y # CONFIG_KEYBOARD_LKKBD is not set # CONFIG_KEYBOARD_XTKBD is not set # CONFIG_KEYBOARD_NEWTON is not set +# CONFIG_KEYBOARD_STOWAWAY is not set CONFIG_INPUT_MOUSE=y CONFIG_MOUSE_PS2=y # CONFIG_MOUSE_SERIAL is not set @@ -850,6 +947,7 @@ CONFIG_LEGACY_PTYS=y CONFIG_LEGACY_PTY_COUNT=256 CONFIG_HVC_DRIVER=y CONFIG_HVC_CONSOLE=y +CONFIG_HVC_ISERIES=y CONFIG_HVC_RTAS=y CONFIG_HVCS=m @@ -868,10 +966,6 @@ CONFIG_GEN_RTC=y # CONFIG_DTLK is not set # CONFIG_R3964 is not set # CONFIG_APPLICOM is not set - -# -# Ftape, the floppy tape device driver -# # CONFIG_AGP is not set # CONFIG_DRM is not set CONFIG_RAW_DRIVER=y @@ -882,7 +976,6 @@ CONFIG_MAX_RAW_DEVS=256 # TPM devices # # CONFIG_TCG_TPM is not set -# CONFIG_TELCLOCK is not set # # I2C support @@ -947,6 +1040,7 @@ CONFIG_I2C_POWERMAC=y # # Dallas's 1-wire bus # +# CONFIG_W1 is not set # # Hardware Monitoring support @@ -955,14 +1049,9 @@ CONFIG_I2C_POWERMAC=y # CONFIG_HWMON_VID is not set # -# Misc devices -# - -# # Multimedia devices # # CONFIG_VIDEO_DEV is not set -CONFIG_VIDEO_V4L2=y # # Digital Video Broadcasting Devices @@ -975,6 +1064,7 @@ CONFIG_VIDEO_V4L2=y # CONFIG_FIRMWARE_EDID=y CONFIG_FB=y +CONFIG_FB_DDC=y CONFIG_FB_CFB_FILLRECT=y CONFIG_FB_CFB_COPYAREA=y CONFIG_FB_CFB_IMAGEBLIT=y @@ -1011,6 +1101,7 @@ CONFIG_FB_RADEON_I2C=y # CONFIG_FB_3DFX is not set # CONFIG_FB_VOODOO1 is not set # CONFIG_FB_TRIDENT is not set +CONFIG_FB_IBM_GXT4500=y # CONFIG_FB_VIRTUAL is not set # @@ -1159,6 +1250,11 @@ CONFIG_SND_AOA_SOUNDBUS_I2S=m # CONFIG_SOUND_PRIME is not set # +# HID Devices +# +CONFIG_HID=y + +# # USB support # CONFIG_USB_ARCH_HAS_HCD=y @@ -1173,6 +1269,7 @@ CONFIG_USB=y CONFIG_USB_DEVICEFS=y # CONFIG_USB_BANDWIDTH is not set # CONFIG_USB_DYNAMIC_MINORS is not set +# CONFIG_USB_MULTITHREAD_PROBE is not set # CONFIG_USB_OTG is not set # @@ -1214,13 +1311,13 @@ CONFIG_USB_STORAGE=m # CONFIG_USB_STORAGE_JUMPSHOT is not set # CONFIG_USB_STORAGE_ALAUDA is not set # CONFIG_USB_STORAGE_ONETOUCH is not set +# CONFIG_USB_STORAGE_KARMA is not set # CONFIG_USB_LIBUSUAL is not set # # USB Input Devices # CONFIG_USB_HID=y -CONFIG_USB_HIDINPUT=y # CONFIG_USB_HIDINPUT_POWERBOOK is not set # CONFIG_HID_FF is not set CONFIG_USB_HIDDEV=y @@ -1250,6 +1347,7 @@ CONFIG_USB_HIDDEV=y # CONFIG_USB_KAWETH is not set # CONFIG_USB_PEGASUS is not set # CONFIG_USB_RTL8150 is not set +# CONFIG_USB_USBNET_MII is not set # CONFIG_USB_USBNET is not set # CONFIG_USB_MON is not set @@ -1267,6 +1365,7 @@ CONFIG_USB_HIDDEV=y # # CONFIG_USB_EMI62 is not set # CONFIG_USB_EMI26 is not set +# CONFIG_USB_ADUTUX is not set # CONFIG_USB_AUERSWALD is not set # CONFIG_USB_RIO500 is not set # CONFIG_USB_LEGOTOWER is not set @@ -1274,12 +1373,13 @@ CONFIG_USB_HIDDEV=y # CONFIG_USB_LED is not set # CONFIG_USB_CYPRESS_CY7C63 is not set # CONFIG_USB_CYTHERM is not set -# CONFIG_USB_PHIDGETKIT is not set -# CONFIG_USB_PHIDGETSERVO is not set +# CONFIG_USB_PHIDGET is not set # CONFIG_USB_IDMOUSE is not set +# CONFIG_USB_FTDI_ELAN is not set CONFIG_USB_APPLEDISPLAY=m # CONFIG_USB_SISUSBVGA is not set # CONFIG_USB_LD is not set +# CONFIG_USB_TRANCEVIBRATOR is not set # CONFIG_USB_TEST is not set # @@ -1318,6 +1418,7 @@ CONFIG_INFINIBAND=m CONFIG_INFINIBAND_ADDR_TRANS=y CONFIG_INFINIBAND_MTHCA=m CONFIG_INFINIBAND_MTHCA_DEBUG=y +# CONFIG_INFINIBAND_AMSO1100 is not set CONFIG_INFINIBAND_IPOIB=m CONFIG_INFINIBAND_IPOIB_DEBUG=y # CONFIG_INFINIBAND_IPOIB_DEBUG_DATA is not set @@ -1347,6 +1448,10 @@ CONFIG_INFINIBAND_ISER=m # # +# Virtualization +# + +# # File systems # CONFIG_EXT2_FS=y @@ -1359,6 +1464,7 @@ CONFIG_EXT3_FS=y CONFIG_EXT3_FS_XATTR=y CONFIG_EXT3_FS_POSIX_ACL=y CONFIG_EXT3_FS_SECURITY=y +# CONFIG_EXT4DEV_FS is not set CONFIG_JBD=y # CONFIG_JBD_DEBUG is not set CONFIG_FS_MBCACHE=y @@ -1379,6 +1485,7 @@ CONFIG_XFS_FS=m CONFIG_XFS_SECURITY=y CONFIG_XFS_POSIX_ACL=y # CONFIG_XFS_RT is not set +# CONFIG_GFS2_FS is not set # CONFIG_OCFS2_FS is not set # CONFIG_MINIX_FS is not set # CONFIG_ROMFS_FS is not set @@ -1414,8 +1521,10 @@ CONFIG_FAT_DEFAULT_IOCHARSET="iso8859-1" # CONFIG_PROC_FS=y CONFIG_PROC_KCORE=y +CONFIG_PROC_SYSCTL=y CONFIG_SYSFS=y CONFIG_TMPFS=y +# CONFIG_TMPFS_POSIX_ACL is not set CONFIG_HUGETLBFS=y CONFIG_HUGETLB_PAGE=y CONFIG_RAMFS=y @@ -1540,8 +1649,23 @@ CONFIG_NLS_KOI8_U=m CONFIG_NLS_UTF8=m # +# Distributed Lock Manager +# +# CONFIG_DLM is not set + +# +# iSeries device drivers +# +# CONFIG_VIOCONS is not set +CONFIG_VIODASD=y +CONFIG_VIOCD=m +CONFIG_VIOTAPE=m +CONFIG_VIOPATH=y + +# # Library routines # +CONFIG_BITREVERSE=y CONFIG_CRC_CCITT=m # CONFIG_CRC16 is not set CONFIG_CRC32=y @@ -1551,6 +1675,7 @@ CONFIG_ZLIB_DEFLATE=m CONFIG_TEXTSEARCH=y CONFIG_TEXTSEARCH_KMP=m CONFIG_PLIST=y +CONFIG_IOMAP_COPY=y # # Instrumentation Support @@ -1563,8 +1688,11 @@ CONFIG_OPROFILE=y # Kernel hacking # # CONFIG_PRINTK_TIME is not set +CONFIG_ENABLE_MUST_CHECK=y CONFIG_MAGIC_SYSRQ=y # CONFIG_UNUSED_SYMBOLS is not set +CONFIG_DEBUG_FS=y +# CONFIG_HEADERS_CHECK is not set CONFIG_DEBUG_KERNEL=y CONFIG_LOG_BUF_SHIFT=17 CONFIG_DETECT_SOFTLOCKUP=y @@ -1578,16 +1706,19 @@ CONFIG_DEBUG_MUTEXES=y # CONFIG_DEBUG_SPINLOCK_SLEEP is not set # CONFIG_DEBUG_LOCKING_API_SELFTESTS is not set # CONFIG_DEBUG_KOBJECT is not set +CONFIG_DEBUG_BUGVERBOSE=y # CONFIG_DEBUG_INFO is not set -CONFIG_DEBUG_FS=y # CONFIG_DEBUG_VM is not set +# CONFIG_DEBUG_LIST is not set CONFIG_FORCED_INLINING=y # CONFIG_RCU_TORTURE_TEST is not set CONFIG_DEBUG_STACKOVERFLOW=y CONFIG_DEBUG_STACK_USAGE=y +# CONFIG_HCALL_STATS is not set CONFIG_DEBUGGER=y CONFIG_XMON=y # CONFIG_XMON_DEFAULT is not set +CONFIG_XMON_DISASSEMBLY=y CONFIG_IRQSTACKS=y CONFIG_BOOTX_TEXT=y # CONFIG_PPC_EARLY_DEBUG is not set @@ -1602,7 +1733,12 @@ CONFIG_BOOTX_TEXT=y # Cryptographic options # CONFIG_CRYPTO=y +CONFIG_CRYPTO_ALGAPI=y +CONFIG_CRYPTO_BLKCIPHER=y +CONFIG_CRYPTO_HASH=y +CONFIG_CRYPTO_MANAGER=y CONFIG_CRYPTO_HMAC=y +# CONFIG_CRYPTO_XCBC is not set CONFIG_CRYPTO_NULL=m CONFIG_CRYPTO_MD4=m CONFIG_CRYPTO_MD5=y @@ -1611,9 +1747,14 @@ CONFIG_CRYPTO_SHA256=m CONFIG_CRYPTO_SHA512=m CONFIG_CRYPTO_WP512=m CONFIG_CRYPTO_TGR192=m +# CONFIG_CRYPTO_GF128MUL is not set +CONFIG_CRYPTO_ECB=m +CONFIG_CRYPTO_CBC=y +# CONFIG_CRYPTO_LRW is not set CONFIG_CRYPTO_DES=y CONFIG_CRYPTO_BLOWFISH=m CONFIG_CRYPTO_TWOFISH=m +CONFIG_CRYPTO_TWOFISH_COMMON=m CONFIG_CRYPTO_SERPENT=m CONFIG_CRYPTO_AES=m CONFIG_CRYPTO_CAST5=m diff --git a/arch/powerpc/kernel/asm-offsets.c b/arch/powerpc/kernel/asm-offsets.c index e96521530d21..030d300cd71c 100644 --- a/arch/powerpc/kernel/asm-offsets.c +++ b/arch/powerpc/kernel/asm-offsets.c @@ -303,5 +303,8 @@ int main(void) DEFINE(NSEC_PER_SEC, NSEC_PER_SEC); DEFINE(CLOCK_REALTIME_RES, TICK_NSEC); +#ifdef CONFIG_BUG + DEFINE(BUG_ENTRY_SIZE, sizeof(struct bug_entry)); +#endif return 0; } diff --git a/arch/powerpc/kernel/entry_64.S b/arch/powerpc/kernel/entry_64.S index 1a3d4de197d2..2551c0884afc 100644 --- a/arch/powerpc/kernel/entry_64.S +++ b/arch/powerpc/kernel/entry_64.S @@ -28,6 +28,7 @@ #include <asm/asm-offsets.h> #include <asm/cputable.h> #include <asm/firmware.h> +#include <asm/bug.h> /* * System calls. @@ -634,19 +635,15 @@ _GLOBAL(enter_rtas) li r0,0 mtcr r0 +#ifdef CONFIG_BUG /* There is no way it is acceptable to get here with interrupts enabled, * check it with the asm equivalent of WARN_ON */ lbz r0,PACASOFTIRQEN(r13) 1: tdnei r0,0 -.section __bug_table,"a" - .llong 1b,__LINE__ + 0x1000000, 1f, 2f -.previous -.section .rodata,"a" -1: .asciz __FILE__ -2: .asciz "enter_rtas" -.previous - + EMIT_BUG_ENTRY 1b,__FILE__,__LINE__,BUGFLAG_WARNING +#endif + /* Hard-disable interrupts */ mfmsr r6 rldicl r7,r6,48,1 diff --git a/arch/powerpc/mm/hugetlbpage.c b/arch/powerpc/mm/hugetlbpage.c index 89c836d54809..1bb20d841080 100644 --- a/arch/powerpc/mm/hugetlbpage.c +++ b/arch/powerpc/mm/hugetlbpage.c @@ -744,7 +744,8 @@ static int htlb_check_hinted_area(unsigned long addr, unsigned long len) struct vm_area_struct *vma; vma = find_vma(current->mm, addr); - if (!vma || ((addr + len) <= vma->vm_start)) + if (TASK_SIZE - len >= addr && + (!vma || ((addr + len) <= vma->vm_start))) return 0; return -ENOMEM; @@ -815,6 +816,8 @@ unsigned long hugetlb_get_unmapped_area(struct file *file, unsigned long addr, return -EINVAL; if (len & ~HPAGE_MASK) return -EINVAL; + if (len > TASK_SIZE) + return -ENOMEM; if (!cpu_has_feature(CPU_FTR_16M_PAGE)) return -EINVAL; @@ -823,9 +826,6 @@ unsigned long hugetlb_get_unmapped_area(struct file *file, unsigned long addr, BUG_ON((addr + len) < addr); if (test_thread_flag(TIF_32BIT)) { - /* Paranoia, caller should have dealt with this */ - BUG_ON((addr + len) > 0x100000000UL); - curareas = current->mm->context.low_htlb_areas; /* First see if we can use the hint address */ diff --git a/arch/powerpc/platforms/52xx/lite5200.c b/arch/powerpc/platforms/52xx/lite5200.c index eaff71e74fb0..0f21bab33f6c 100644 --- a/arch/powerpc/platforms/52xx/lite5200.c +++ b/arch/powerpc/platforms/52xx/lite5200.c @@ -153,6 +153,7 @@ define_machine(lite52xx) { .name = "lite52xx", .probe = lite52xx_probe, .setup_arch = lite52xx_setup_arch, + .init = mpc52xx_declare_of_platform_devices, .init_IRQ = mpc52xx_init_irq, .get_irq = mpc52xx_get_irq, .show_cpuinfo = lite52xx_show_cpuinfo, diff --git a/arch/powerpc/platforms/52xx/mpc52xx_common.c b/arch/powerpc/platforms/52xx/mpc52xx_common.c index 8331ff457770..cc40889074bd 100644 --- a/arch/powerpc/platforms/52xx/mpc52xx_common.c +++ b/arch/powerpc/platforms/52xx/mpc52xx_common.c @@ -116,11 +116,12 @@ unmap_regs: if (xlb) iounmap(xlb); } -static int __init +void __init mpc52xx_declare_of_platform_devices(void) { /* Find every child of the SOC node and add it to of_platform */ - return of_platform_bus_probe(NULL, NULL, NULL); + if (of_platform_bus_probe(NULL, NULL, NULL)) + printk(KERN_ERR __FILE__ ": " + "Error while probing of_platform bus\n"); } -device_initcall(mpc52xx_declare_of_platform_devices); diff --git a/arch/powerpc/platforms/iseries/lpevents.c b/arch/powerpc/platforms/iseries/lpevents.c index e3e929e1b460..c1f4502a3c6a 100644 --- a/arch/powerpc/platforms/iseries/lpevents.c +++ b/arch/powerpc/platforms/iseries/lpevents.c @@ -17,6 +17,7 @@ #include <asm/system.h> #include <asm/paca.h> +#include <asm/firmware.h> #include <asm/iseries/it_lp_queue.h> #include <asm/iseries/hv_lp_event.h> #include <asm/iseries/hv_call_event.h> @@ -318,6 +319,9 @@ static int __init proc_lpevents_init(void) { struct proc_dir_entry *e; + if (!firmware_has_feature(FW_FEATURE_ISERIES)) + return 0; + e = create_proc_entry("iSeries/lpevents", S_IFREG|S_IRUGO, NULL); if (e) e->proc_fops = &proc_lpevents_operations; diff --git a/arch/powerpc/platforms/iseries/mf.c b/arch/powerpc/platforms/iseries/mf.c index cff15ae24f6b..1ad0e4aaad1a 100644 --- a/arch/powerpc/platforms/iseries/mf.c +++ b/arch/powerpc/platforms/iseries/mf.c @@ -38,6 +38,7 @@ #include <asm/uaccess.h> #include <asm/paca.h> #include <asm/abs_addr.h> +#include <asm/firmware.h> #include <asm/iseries/vio.h> #include <asm/iseries/mf.h> #include <asm/iseries/hv_lp_config.h> @@ -1235,6 +1236,9 @@ static int __init mf_proc_init(void) char name[2]; int i; + if (!firmware_has_feature(FW_FEATURE_ISERIES)) + return 0; + mf_proc_root = proc_mkdir("iSeries/mf", NULL); if (!mf_proc_root) return 1; diff --git a/arch/powerpc/platforms/iseries/proc.c b/arch/powerpc/platforms/iseries/proc.c index c241413629ac..b54e37101e69 100644 --- a/arch/powerpc/platforms/iseries/proc.c +++ b/arch/powerpc/platforms/iseries/proc.c @@ -24,6 +24,7 @@ #include <asm/processor.h> #include <asm/time.h> #include <asm/lppaca.h> +#include <asm/firmware.h> #include <asm/iseries/hv_call_xm.h> #include "processor_vpd.h" @@ -31,7 +32,12 @@ static int __init iseries_proc_create(void) { - struct proc_dir_entry *e = proc_mkdir("iSeries", 0); + struct proc_dir_entry *e; + + if (!firmware_has_feature(FW_FEATURE_ISERIES)) + return 0; + + e = proc_mkdir("iSeries", 0); if (!e) return 1; @@ -106,6 +112,9 @@ static int __init iseries_proc_init(void) { struct proc_dir_entry *e; + if (!firmware_has_feature(FW_FEATURE_ISERIES)) + return 0; + e = create_proc_entry("iSeries/titanTod", S_IFREG|S_IRUGO, NULL); if (e) e->proc_fops = &proc_titantod_operations; diff --git a/arch/powerpc/platforms/iseries/setup.c b/arch/powerpc/platforms/iseries/setup.c index bdf2afbb60c1..cce7e309340c 100644 --- a/arch/powerpc/platforms/iseries/setup.c +++ b/arch/powerpc/platforms/iseries/setup.c @@ -527,7 +527,8 @@ static void __init iSeries_fixup_klimit(void) static int __init iSeries_src_init(void) { /* clear the progress line */ - ppc_md.progress(" ", 0xffff); + if (firmware_has_feature(FW_FEATURE_ISERIES)) + ppc_md.progress(" ", 0xffff); return 0; } diff --git a/arch/powerpc/platforms/iseries/viopath.c b/arch/powerpc/platforms/iseries/viopath.c index 84e7ee2c086f..a6799ed34a66 100644 --- a/arch/powerpc/platforms/iseries/viopath.c +++ b/arch/powerpc/platforms/iseries/viopath.c @@ -42,6 +42,7 @@ #include <asm/system.h> #include <asm/uaccess.h> #include <asm/prom.h> +#include <asm/firmware.h> #include <asm/iseries/hv_types.h> #include <asm/iseries/hv_lp_event.h> #include <asm/iseries/hv_lp_config.h> @@ -183,6 +184,9 @@ static int __init vio_proc_init(void) { struct proc_dir_entry *e; + if (!firmware_has_feature(FW_FEATURE_ISERIES)) + return 0; + e = create_proc_entry("iSeries/config", 0, NULL); if (e) e->proc_fops = &proc_viopath_operations; diff --git a/arch/powerpc/platforms/maple/setup.c b/arch/powerpc/platforms/maple/setup.c index f12d5c69e74d..50855d4fd5a0 100644 --- a/arch/powerpc/platforms/maple/setup.c +++ b/arch/powerpc/platforms/maple/setup.c @@ -254,7 +254,6 @@ static void __init maple_init_IRQ(void) printk(KERN_DEBUG "OpenPIC addr: %lx, has ISUs: %d\n", openpic_addr, has_isus); } - of_node_put(root); BUG_ON(openpic_addr == 0); diff --git a/arch/powerpc/platforms/pasemi/setup.c b/arch/powerpc/platforms/pasemi/setup.c index 89d6e295dbf7..bea7d1bb1a3b 100644 --- a/arch/powerpc/platforms/pasemi/setup.c +++ b/arch/powerpc/platforms/pasemi/setup.c @@ -129,7 +129,6 @@ static __init void pas_init_IRQ(void) } openpic_addr = of_read_number(opprop, naddr); printk(KERN_DEBUG "OpenPIC addr: %lx\n", openpic_addr); - of_node_put(root); mpic = mpic_alloc(mpic_node, openpic_addr, MPIC_PRIMARY, 0, 0, " PAS-OPIC "); diff --git a/arch/powerpc/platforms/pseries/hvCall.S b/arch/powerpc/platforms/pseries/hvCall.S index c00cfed7af2c..5c7e38789897 100644 --- a/arch/powerpc/platforms/pseries/hvCall.S +++ b/arch/powerpc/platforms/pseries/hvCall.S @@ -26,7 +26,7 @@ BEGIN_FTR_SECTION; \ mfspr r0,SPRN_PURR; /* get PURR and */ \ std r0,STK_PARM(r6)(r1); /* save for later */ \ -END_FTR_SECTION_IFCLR(CPU_FTR_PURR); +END_FTR_SECTION_IFSET(CPU_FTR_PURR); /* * postcall is performed immediately before function return which @@ -43,7 +43,7 @@ BEGIN_FTR_SECTION; \ mfspr r8,SPRN_PURR; /* PURR after */ \ ld r6,STK_PARM(r6)(r1); /* PURR before */ \ subf r6,r6,r8; /* delta */ \ -END_FTR_SECTION_IFCLR(CPU_FTR_PURR); \ +END_FTR_SECTION_IFSET(CPU_FTR_PURR); \ ld r5,STK_PARM(r5)(r1); /* timebase before */ \ subf r5,r5,r7; /* time delta */ \ \ @@ -66,7 +66,7 @@ BEGIN_FTR_SECTION; \ ld r7,HCALL_STAT_PURR(r4); /* PURR */ \ add r7,r7,r6; \ std r7,HCALL_STAT_PURR(r4); \ -END_FTR_SECTION_IFCLR(CPU_FTR_PURR); \ +END_FTR_SECTION_IFSET(CPU_FTR_PURR); \ 1: #else #define HCALL_INST_PRECALL @@ -145,6 +145,7 @@ _GLOBAL(plpar_hcall9) HVSC /* invoke the hypervisor */ + mr r0,r12 ld r12,STK_PARM(r4)(r1) std r4, 0(r12) std r5, 8(r12) @@ -154,7 +155,7 @@ _GLOBAL(plpar_hcall9) std r9, 40(r12) std r10,48(r12) std r11,56(r12) - std r12,64(r12) + std r0, 64(r12) HCALL_INST_POSTCALL diff --git a/arch/powerpc/platforms/pseries/hvCall_inst.c b/arch/powerpc/platforms/pseries/hvCall_inst.c index 80181c4c49eb..3ddc04925d50 100644 --- a/arch/powerpc/platforms/pseries/hvCall_inst.c +++ b/arch/powerpc/platforms/pseries/hvCall_inst.c @@ -34,7 +34,7 @@ DEFINE_PER_CPU(struct hcall_stats[HCALL_STAT_ARRAY_SIZE], hcall_stats); */ static void *hc_start(struct seq_file *m, loff_t *pos) { - if ((int)*pos < HCALL_STAT_ARRAY_SIZE) + if ((int)*pos < (HCALL_STAT_ARRAY_SIZE-1)) return (void *)(unsigned long)(*pos + 1); return NULL; @@ -57,7 +57,7 @@ static int hc_show(struct seq_file *m, void *p) struct hcall_stats *hs = (struct hcall_stats *)m->private; if (hs[h_num].num_calls) { - if (!cpu_has_feature(CPU_FTR_PURR)) + if (cpu_has_feature(CPU_FTR_PURR)) seq_printf(m, "%lu %lu %lu %lu\n", h_num<<2, hs[h_num].num_calls, hs[h_num].tb_total, diff --git a/arch/powerpc/platforms/pseries/xics.c b/arch/powerpc/platforms/pseries/xics.c index b5b2b1103de8..81d172d65038 100644 --- a/arch/powerpc/platforms/pseries/xics.c +++ b/arch/powerpc/platforms/pseries/xics.c @@ -224,7 +224,6 @@ static void xics_unmask_irq(unsigned int virq) static void xics_mask_real_irq(unsigned int irq) { int call_status; - unsigned int server; if (irq == XICS_IPI) return; @@ -236,9 +235,9 @@ static void xics_mask_real_irq(unsigned int irq) return; } - server = get_irq_server(irq); /* Have to set XIVE to 0xff to be able to remove a slot */ - call_status = rtas_call(ibm_set_xive, 3, 1, NULL, irq, server, 0xff); + call_status = rtas_call(ibm_set_xive, 3, 1, NULL, irq, + default_server, 0xff); if (call_status != 0) { printk(KERN_ERR "xics_disable_irq: irq=%u: ibm_set_xive(0xff)" " returned %d\n", irq, call_status); diff --git a/arch/powerpc/sysdev/Makefile b/arch/powerpc/sysdev/Makefile index 04d4917eb303..2621a7e72d2d 100644 --- a/arch/powerpc/sysdev/Makefile +++ b/arch/powerpc/sysdev/Makefile @@ -12,7 +12,6 @@ obj-$(CONFIG_MMIO_NVRAM) += mmio_nvram.o obj-$(CONFIG_FSL_SOC) += fsl_soc.o obj-$(CONFIG_TSI108_BRIDGE) += tsi108_pci.o tsi108_dev.o obj-$(CONFIG_QUICC_ENGINE) += qe_lib/ -obj-$(CONFIG_MTD) += rom.o ifeq ($(CONFIG_PPC_MERGE),y) obj-$(CONFIG_PPC_I8259) += i8259.o @@ -21,5 +20,6 @@ endif # Temporary hack until we have migrated to asm-powerpc ifeq ($(ARCH),powerpc) +obj-$(CONFIG_MTD) += rom.o obj-$(CONFIG_CPM2) += cpm2_common.o cpm2_pic.o endif diff --git a/arch/s390/kernel/head31.S b/arch/s390/kernel/head31.S index 4388b3309e0c..eca507050e47 100644 --- a/arch/s390/kernel/head31.S +++ b/arch/s390/kernel/head31.S @@ -164,11 +164,14 @@ startup_continue: srl %r7,28 clr %r6,%r7 # compare cc with last access code be .Lsame-.LPG1(%r13) - b .Lchkmem-.LPG1(%r13) + lhi %r8,0 # no program checks + b .Lsavchk-.LPG1(%r13) .Lsame: ar %r5,%r1 # add 128KB to end of chunk bno .Lloop-.LPG1(%r13) # r1 < 0x80000000 -> loop .Lchkmem: # > 2GB or tprot got a program check + lhi %r8,1 # set program check flag +.Lsavchk: clr %r4,%r5 # chunk size > 0? be .Lchkloop-.LPG1(%r13) st %r4,0(%r3) # store start address of chunk @@ -190,8 +193,15 @@ startup_continue: je .Ldonemem # if not, leave chi %r10,0 # do we have chunks left? je .Ldonemem + chi %r8,1 # program check ? + je .Lpgmchk + lr %r4,%r5 # potential new chunk + alr %r5,%r1 # add 128KB to end of chunk + j .Llpcnt +.Lpgmchk: alr %r5,%r1 # add 128KB to end of chunk lr %r4,%r5 # potential new chunk +.Llpcnt: clr %r5,%r9 # should we go on? jl .Lloop .Ldonemem: diff --git a/arch/s390/kernel/head64.S b/arch/s390/kernel/head64.S index c526279e1123..6ba3f4512dd1 100644 --- a/arch/s390/kernel/head64.S +++ b/arch/s390/kernel/head64.S @@ -172,12 +172,15 @@ startup_continue: srl %r7,28 clr %r6,%r7 # compare cc with last access code je .Lsame - j .Lchkmem + lghi %r8,0 # no program checks + j .Lsavchk .Lsame: algr %r5,%r1 # add 128KB to end of chunk # no need to check here, brc 12,.Lloop # this is the same chunk .Lchkmem: # > 16EB or tprot got a program check + lghi %r8,1 # set program check flag +.Lsavchk: clgr %r4,%r5 # chunk size > 0? je .Lchkloop stg %r4,0(%r3) # store start address of chunk @@ -204,8 +207,15 @@ startup_continue: chi %r10, 0 # do we have chunks left? je .Ldonemem .Lhsaskip: + chi %r8,1 # program check ? + je .Lpgmchk + lgr %r4,%r5 # potential new chunk + algr %r5,%r1 # add 128KB to end of chunk + j .Llpcnt +.Lpgmchk: algr %r5,%r1 # add 128KB to end of chunk lgr %r4,%r5 # potential new chunk +.Llpcnt: clgr %r5,%r9 # should we go on? jl .Lloop .Ldonemem: diff --git a/arch/s390/kernel/setup.c b/arch/s390/kernel/setup.c index 49ef206ec880..5d8ee3baac14 100644 --- a/arch/s390/kernel/setup.c +++ b/arch/s390/kernel/setup.c @@ -476,7 +476,7 @@ static void __init setup_memory_end(void) int i; memory_size = real_size = 0; - max_phys = VMALLOC_END - VMALLOC_MIN_SIZE; + max_phys = VMALLOC_END_INIT - VMALLOC_MIN_SIZE; memory_end &= PAGE_MASK; max_mem = memory_end ? min(max_phys, memory_end) : max_phys; diff --git a/arch/s390/kernel/smp.c b/arch/s390/kernel/smp.c index 19090f7d4f51..c0cd255fddbd 100644 --- a/arch/s390/kernel/smp.c +++ b/arch/s390/kernel/smp.c @@ -794,7 +794,10 @@ static int __init topology_init(void) int ret; for_each_possible_cpu(cpu) { - ret = register_cpu(&per_cpu(cpu_devices, cpu), cpu); + struct cpu *c = &per_cpu(cpu_devices, cpu); + + c->hotpluggable = 1; + ret = register_cpu(c, cpu); if (ret) printk(KERN_WARNING "topology_init: register_cpu %d " "failed (%d)\n", cpu, ret); diff --git a/arch/s390/lib/uaccess_pt.c b/arch/s390/lib/uaccess_pt.c index 633249c3ba91..49c3e46b4065 100644 --- a/arch/s390/lib/uaccess_pt.c +++ b/arch/s390/lib/uaccess_pt.c @@ -8,6 +8,7 @@ */ #include <linux/errno.h> +#include <linux/hardirq.h> #include <linux/mm.h> #include <asm/uaccess.h> #include <asm/futex.h> @@ -18,6 +19,8 @@ static inline int __handle_fault(struct mm_struct *mm, unsigned long address, struct vm_area_struct *vma; int ret = -EFAULT; + if (in_atomic()) + return ret; down_read(&mm->mmap_sem); vma = find_vma(mm, address); if (unlikely(!vma)) diff --git a/arch/s390/lib/uaccess_std.c b/arch/s390/lib/uaccess_std.c index bbaca66fa293..56a0214e9928 100644 --- a/arch/s390/lib/uaccess_std.c +++ b/arch/s390/lib/uaccess_std.c @@ -258,8 +258,6 @@ int futex_atomic_op(int op, int __user *uaddr, int oparg, int *old) { int oldval = 0, newval, ret; - pagefault_disable(); - switch (op) { case FUTEX_OP_SET: __futex_atomic_op("lr %2,%5\n", @@ -284,7 +282,6 @@ int futex_atomic_op(int op, int __user *uaddr, int oparg, int *old) default: ret = -ENOSYS; } - pagefault_enable(); *old = oldval; return ret; } diff --git a/arch/x86_64/kernel/early-quirks.c b/arch/x86_64/kernel/early-quirks.c index 829698f6d049..49802f1bee94 100644 --- a/arch/x86_64/kernel/early-quirks.c +++ b/arch/x86_64/kernel/early-quirks.c @@ -69,6 +69,11 @@ static void nvidia_bugs(void) static void ati_bugs(void) { + if (timer_over_8254 == 1) { + timer_over_8254 = 0; + printk(KERN_INFO + "ATI board detected. Disabling timer routing over 8254.\n"); + } } static void intel_bugs(void) diff --git a/arch/x86_64/kernel/io_apic.c b/arch/x86_64/kernel/io_apic.c index 2a1dcd5f69c2..d7bad90a5ad8 100644 --- a/arch/x86_64/kernel/io_apic.c +++ b/arch/x86_64/kernel/io_apic.c @@ -55,6 +55,10 @@ int sis_apic_bug; /* not actually supported, dummy for compile */ static int no_timer_check; +static int disable_timer_pin_1 __initdata; + +int timer_over_8254 __initdata = 1; + /* Where if anywhere is the i8259 connect in external int mode */ static struct { int pin, apic; } ioapic_i8259 = { -1, -1 }; @@ -350,6 +354,29 @@ static int __init disable_ioapic_setup(char *str) } early_param("noapic", disable_ioapic_setup); +/* Actually the next is obsolete, but keep it for paranoid reasons -AK */ +static int __init disable_timer_pin_setup(char *arg) +{ + disable_timer_pin_1 = 1; + return 1; +} +__setup("disable_timer_pin_1", disable_timer_pin_setup); + +static int __init setup_disable_8254_timer(char *s) +{ + timer_over_8254 = -1; + return 1; +} +static int __init setup_enable_8254_timer(char *s) +{ + timer_over_8254 = 2; + return 1; +} + +__setup("disable_8254_timer", setup_disable_8254_timer); +__setup("enable_8254_timer", setup_enable_8254_timer); + + /* * Find the IRQ entry number of a certain pin. */ @@ -1568,33 +1595,10 @@ static inline void unlock_ExtINT_logic(void) * a wide range of boards and BIOS bugs. Fortunately only the timer IRQ * is so screwy. Thanks to Brian Perkins for testing/hacking this beast * fanatically on his truly buggy board. + * + * FIXME: really need to revamp this for modern platforms only. */ - -static int try_apic_pin(int apic, int pin, char *msg) -{ - apic_printk(APIC_VERBOSE, KERN_INFO - "..TIMER: trying IO-APIC=%d PIN=%d %s", - apic, pin, msg); - - /* - * Ok, does IRQ0 through the IOAPIC work? - */ - if (!no_timer_check && timer_irq_works()) { - nmi_watchdog_default(); - if (nmi_watchdog == NMI_IO_APIC) { - disable_8259A_irq(0); - setup_nmi(); - enable_8259A_irq(0); - } - return 1; - } - clear_IO_APIC_pin(apic, pin); - apic_printk(APIC_QUIET, KERN_ERR " .. failed\n"); - return 0; -} - -/* The function from hell */ -static void check_timer(void) +static inline void check_timer(void) { int apic1, pin1, apic2, pin2; int vector; @@ -1615,43 +1619,61 @@ static void check_timer(void) */ apic_write(APIC_LVT0, APIC_LVT_MASKED | APIC_DM_EXTINT); init_8259A(1); + if (timer_over_8254 > 0) + enable_8259A_irq(0); pin1 = find_isa_irq_pin(0, mp_INT); apic1 = find_isa_irq_apic(0, mp_INT); pin2 = ioapic_i8259.pin; apic2 = ioapic_i8259.apic; - /* Do this first, otherwise we get double interrupts on ATI boards */ - if ((pin1 != -1) && try_apic_pin(apic1, pin1,"with 8259 IRQ0 disabled")) - return; + apic_printk(APIC_VERBOSE,KERN_INFO "..TIMER: vector=0x%02X apic1=%d pin1=%d apic2=%d pin2=%d\n", + vector, apic1, pin1, apic2, pin2); - /* Now try again with IRQ0 8259A enabled. - Assumes timer is on IO-APIC 0 ?!? */ - enable_8259A_irq(0); - unmask_IO_APIC_irq(0); - if (try_apic_pin(apic1, pin1, "with 8259 IRQ0 enabled")) - return; - disable_8259A_irq(0); - - /* Always try pin0 and pin2 on APIC 0 to handle buggy timer overrides - on Nvidia boards */ - if (!(apic1 == 0 && pin1 == 0) && - try_apic_pin(0, 0, "fallback with 8259 IRQ0 disabled")) - return; - if (!(apic1 == 0 && pin1 == 2) && - try_apic_pin(0, 2, "fallback with 8259 IRQ0 disabled")) - return; + if (pin1 != -1) { + /* + * Ok, does IRQ0 through the IOAPIC work? + */ + unmask_IO_APIC_irq(0); + if (!no_timer_check && timer_irq_works()) { + nmi_watchdog_default(); + if (nmi_watchdog == NMI_IO_APIC) { + disable_8259A_irq(0); + setup_nmi(); + enable_8259A_irq(0); + } + if (disable_timer_pin_1 > 0) + clear_IO_APIC_pin(0, pin1); + return; + } + clear_IO_APIC_pin(apic1, pin1); + apic_printk(APIC_QUIET,KERN_ERR "..MP-BIOS bug: 8254 timer not " + "connected to IO-APIC\n"); + } - /* Then try pure 8259A routing on the 8259 as reported by BIOS*/ - enable_8259A_irq(0); + apic_printk(APIC_VERBOSE,KERN_INFO "...trying to set up timer (IRQ0) " + "through the 8259A ... "); if (pin2 != -1) { + apic_printk(APIC_VERBOSE,"\n..... (found apic %d pin %d) ...", + apic2, pin2); + /* + * legacy devices should be connected to IO APIC #0 + */ setup_ExtINT_IRQ0_pin(apic2, pin2, vector); - if (try_apic_pin(apic2,pin2,"8259A broadcast ExtINT from BIOS")) + if (timer_irq_works()) { + apic_printk(APIC_VERBOSE," works.\n"); + nmi_watchdog_default(); + if (nmi_watchdog == NMI_IO_APIC) { + setup_nmi(); + } return; + } + /* + * Cleanup, just in case ... + */ + clear_IO_APIC_pin(apic2, pin2); } - - /* Tried all possibilities to go through the IO-APIC. Now come the - really cheesy fallbacks. */ + apic_printk(APIC_VERBOSE," failed.\n"); if (nmi_watchdog == NMI_IO_APIC) { printk(KERN_WARNING "timer doesn't work through the IO-APIC - disabling NMI Watchdog!\n"); |