diff options
Diffstat (limited to 'arch/x86/mm/fault.c')
| -rw-r--r-- | arch/x86/mm/fault.c | 8 |
1 files changed, 6 insertions, 2 deletions
diff --git a/arch/x86/mm/fault.c b/arch/x86/mm/fault.c index 90dfae511a41..c76ef1d701c9 100644 --- a/arch/x86/mm/fault.c +++ b/arch/x86/mm/fault.c | |||
| @@ -603,8 +603,6 @@ void __kprobes do_page_fault(struct pt_regs *regs, unsigned long error_code) | |||
| 603 | 603 | ||
| 604 | si_code = SEGV_MAPERR; | 604 | si_code = SEGV_MAPERR; |
| 605 | 605 | ||
| 606 | if (notify_page_fault(regs)) | ||
| 607 | return; | ||
| 608 | if (unlikely(kmmio_fault(regs, address))) | 606 | if (unlikely(kmmio_fault(regs, address))) |
| 609 | return; | 607 | return; |
| 610 | 608 | ||
| @@ -634,6 +632,9 @@ void __kprobes do_page_fault(struct pt_regs *regs, unsigned long error_code) | |||
| 634 | if (spurious_fault(address, error_code)) | 632 | if (spurious_fault(address, error_code)) |
| 635 | return; | 633 | return; |
| 636 | 634 | ||
| 635 | /* kprobes don't want to hook the spurious faults. */ | ||
| 636 | if (notify_page_fault(regs)) | ||
| 637 | return; | ||
| 637 | /* | 638 | /* |
| 638 | * Don't take the mm semaphore here. If we fixup a prefetch | 639 | * Don't take the mm semaphore here. If we fixup a prefetch |
| 639 | * fault we could otherwise deadlock. | 640 | * fault we could otherwise deadlock. |
| @@ -641,6 +642,9 @@ void __kprobes do_page_fault(struct pt_regs *regs, unsigned long error_code) | |||
| 641 | goto bad_area_nosemaphore; | 642 | goto bad_area_nosemaphore; |
| 642 | } | 643 | } |
| 643 | 644 | ||
| 645 | /* kprobes don't want to hook the spurious faults. */ | ||
| 646 | if (notify_page_fault(regs)) | ||
| 647 | return; | ||
| 644 | 648 | ||
| 645 | /* | 649 | /* |
| 646 | * It's safe to allow irq's after cr2 has been saved and the | 650 | * It's safe to allow irq's after cr2 has been saved and the |
