diff options
author | Ingo Molnar <mingo@elte.hu> | 2009-06-11 15:55:42 (GMT) |
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committer | Ingo Molnar <mingo@elte.hu> | 2009-06-11 15:55:42 (GMT) |
commit | 940010c5a314a7bd9b498593bc6ba1718ac5aec5 (patch) | |
tree | d141e08ced08c40c6a8e3ab2cdecde5ff14e560f /arch/x86/mm/fault.c | |
parent | 8dc8e5e8bc0ce00b0f656bf972f67cd8a72759e5 (diff) | |
parent | 991ec02cdca33b03a132a0cacfe6f0aa0be9aa8d (diff) | |
download | linux-fsl-qoriq-940010c5a314a7bd9b498593bc6ba1718ac5aec5.tar.xz |
Merge branch 'linus' into perfcounters/core
Conflicts:
arch/x86/kernel/irqinit.c
arch/x86/kernel/irqinit_64.c
arch/x86/kernel/traps.c
arch/x86/mm/fault.c
include/linux/sched.h
kernel/exit.c
Diffstat (limited to 'arch/x86/mm/fault.c')
-rw-r--r-- | arch/x86/mm/fault.c | 59 |
1 files changed, 14 insertions, 45 deletions
diff --git a/arch/x86/mm/fault.c b/arch/x86/mm/fault.c index 5c6d816..c6acc63 100644 --- a/arch/x86/mm/fault.c +++ b/arch/x86/mm/fault.c @@ -3,41 +3,17 @@ * Copyright (C) 2001, 2002 Andi Kleen, SuSE Labs. * Copyright (C) 2008-2009, Red Hat Inc., Ingo Molnar */ -#include <linux/interrupt.h> -#include <linux/mmiotrace.h> -#include <linux/bootmem.h> -#include <linux/compiler.h> -#include <linux/highmem.h> -#include <linux/kprobes.h> -#include <linux/uaccess.h> -#include <linux/vmalloc.h> -#include <linux/vt_kern.h> -#include <linux/signal.h> -#include <linux/kernel.h> -#include <linux/ptrace.h> -#include <linux/string.h> -#include <linux/module.h> -#include <linux/kdebug.h> -#include <linux/errno.h> -#include <linux/magic.h> -#include <linux/sched.h> -#include <linux/types.h> -#include <linux/init.h> -#include <linux/mman.h> -#include <linux/tty.h> -#include <linux/smp.h> -#include <linux/mm.h> -#include <linux/perf_counter.h> - -#include <asm-generic/sections.h> - -#include <asm/tlbflush.h> -#include <asm/pgalloc.h> -#include <asm/segment.h> -#include <asm/system.h> -#include <asm/proto.h> -#include <asm/traps.h> -#include <asm/desc.h> +#include <linux/magic.h> /* STACK_END_MAGIC */ +#include <linux/sched.h> /* test_thread_flag(), ... */ +#include <linux/kdebug.h> /* oops_begin/end, ... */ +#include <linux/module.h> /* search_exception_table */ +#include <linux/bootmem.h> /* max_low_pfn */ +#include <linux/kprobes.h> /* __kprobes, ... */ +#include <linux/mmiotrace.h> /* kmmio_handler, ... */ +#include <linux/perf_counter.h> /* perf_swcounter_event */ + +#include <asm/traps.h> /* dotraplinkage, ... */ +#include <asm/pgalloc.h> /* pgd_*(), ... */ /* * Page fault error code bits: @@ -226,12 +202,10 @@ static inline pmd_t *vmalloc_sync_one(pgd_t *pgd, unsigned long address) if (!pmd_present(*pmd_k)) return NULL; - if (!pmd_present(*pmd)) { + if (!pmd_present(*pmd)) set_pmd(pmd, *pmd_k); - arch_flush_lazy_mmu_mode(); - } else { + else BUG_ON(pmd_page(*pmd) != pmd_page(*pmd_k)); - } return pmd_k; } @@ -539,8 +513,6 @@ bad: static int is_errata93(struct pt_regs *regs, unsigned long address) { #ifdef CONFIG_X86_64 - static int once; - if (address != regs->ip) return 0; @@ -550,10 +522,7 @@ static int is_errata93(struct pt_regs *regs, unsigned long address) address |= 0xffffffffUL << 32; if ((address >= (u64)_stext && address <= (u64)_etext) || (address >= MODULES_VADDR && address <= MODULES_END)) { - if (!once) { - printk(errata93_warning); - once = 1; - } + printk_once(errata93_warning); regs->ip = address; return 1; } |