Merge branch 'linus' into perfcounters/core

[sfrench/cifs-2.6.git] / arch / x86 / mm / fault.c

diff --git a/arch/x86/mm/fault.c b/arch/x86/mm/fault.c
index 5c6d816f30b4e9b44db11a0b0a2e173a76665e5a..c6acc632637417c193394da4881fa19112ace761 100644 (file)
--- 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;
        }