diff options
Diffstat (limited to 'arch/x86/mm/fault.c')
-rw-r--r-- | arch/x86/mm/fault.c | 7 |
1 files changed, 5 insertions, 2 deletions
diff --git a/arch/x86/mm/fault.c b/arch/x86/mm/fault.c index d3eee74f830a..2a9ea3aee493 100644 --- a/arch/x86/mm/fault.c +++ b/arch/x86/mm/fault.c | |||
@@ -806,8 +806,6 @@ void __kprobes do_page_fault(struct pt_regs *regs, unsigned long error_code) | |||
806 | /* get the address */ | 806 | /* get the address */ |
807 | address = read_cr2(); | 807 | address = read_cr2(); |
808 | 808 | ||
809 | if (unlikely(notify_page_fault(regs))) | ||
810 | return; | ||
811 | if (unlikely(kmmio_fault(regs, address))) | 809 | if (unlikely(kmmio_fault(regs, address))) |
812 | return; | 810 | return; |
813 | 811 | ||
@@ -837,6 +835,9 @@ void __kprobes do_page_fault(struct pt_regs *regs, unsigned long error_code) | |||
837 | if (spurious_fault(error_code, address)) | 835 | if (spurious_fault(error_code, address)) |
838 | return; | 836 | return; |
839 | 837 | ||
838 | /* kprobes don't want to hook the spurious faults. */ | ||
839 | if (notify_page_fault(regs)) | ||
840 | return; | ||
840 | /* | 841 | /* |
841 | * Don't take the mm semaphore here. If we fixup a prefetch | 842 | * Don't take the mm semaphore here. If we fixup a prefetch |
842 | * fault we could otherwise deadlock. | 843 | * fault we could otherwise deadlock. |
@@ -845,6 +846,8 @@ void __kprobes do_page_fault(struct pt_regs *regs, unsigned long error_code) | |||
845 | return; | 846 | return; |
846 | } | 847 | } |
847 | 848 | ||
849 | if (unlikely(notify_page_fault(regs))) | ||
850 | return; | ||
848 | /* | 851 | /* |
849 | * It's safe to allow irq's after cr2 has been saved and the | 852 | * It's safe to allow irq's after cr2 has been saved and the |
850 | * vmalloc fault has been handled. | 853 | * vmalloc fault has been handled. |