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| author | Ingo Molnar <mingo@elte.hu> | 2009-02-11 13:38:55 +0300 |
|---|---|---|
| committer | Ingo Molnar <mingo@elte.hu> | 2009-02-11 13:38:55 +0300 |
| commit | 891393745aad5c5acdb01b6ce61c08d4cc064649 (patch) | |
| tree | 7687b8b94c4bc4ec8d5f1106ff8ff4d557b2fabf /arch/x86/mm/fault.c | |
| parent | a448720ca3248e8a7a426336885549d6e923fd8e (diff) | |
| parent | 8e4921515c1a379539607eb443d51c30f4f7f338 (diff) | |
| download | linux-891393745aad5c5acdb01b6ce61c08d4cc064649.tar.xz | |
Merge commit 'v2.6.29-rc4' into x86/cleanups
Diffstat (limited to 'arch/x86/mm/fault.c')
| -rw-r--r-- | arch/x86/mm/fault.c | 10 |
1 files changed, 7 insertions, 3 deletions
diff --git a/arch/x86/mm/fault.c b/arch/x86/mm/fault.c index 9e268b6b204e..c76ef1d701c9 100644 --- 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 |