Merge branch 'x86-fixes-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git...

[linux-2.6-omap-h63xx.git] / arch / x86 / mm / fault.c

diff --git a/arch/x86/mm/fault.c b/arch/x86/mm/fault.c
index 9e268b6b204e1e3b34d639061aa43fcd9e0bbc3f..c76ef1d701c9f48625aed06d4e7b4ec3d98e8862 100644 (file)
--- a/arch/x86/mm/fault.c
+++ b/arch/x86/mm/fault.c
@@ -534,7 +534,7 @@ static int vmalloc_fault(unsigned long address)
           happen within a race in page table update. In the later
           case just flush. */
 
-       pgd = pgd_offset(current->mm ?: &init_mm, address);
+       pgd = pgd_offset(current->active_mm, address);
        pgd_ref = pgd_offset_k(address);
        if (pgd_none(*pgd_ref))
                return -1;
@@ -603,8 +603,6 @@ void __kprobes do_page_fault(struct pt_regs *regs, unsigned long error_code)
 
        si_code = SEGV_MAPERR;
 
-       if (notify_page_fault(regs))
-               return;
        if (unlikely(kmmio_fault(regs, address)))
                return;
 
@@ -634,6 +632,9 @@ void __kprobes do_page_fault(struct pt_regs *regs, unsigned long error_code)
                if (spurious_fault(address, error_code))
                        return;
 
+               /* kprobes don't want to hook the spurious faults. */
+               if (notify_page_fault(regs))
+                       return;
                /*
                 * Don't take the mm semaphore here. If we fixup a prefetch
                 * fault we could otherwise deadlock.
@@ -641,6 +642,9 @@ void __kprobes do_page_fault(struct pt_regs *regs, unsigned long error_code)
                goto bad_area_nosemaphore;
        }
 
+       /* kprobes don't want to hook the spurious faults. */
+       if (notify_page_fault(regs))
+               return;
 
        /*
         * It's safe to allow irq's after cr2 has been saved and the