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 65709a6..8c3f311 100644 --- a/arch/x86/mm/fault.c +++ b/arch/x86/mm/fault.c @@ -807,8 +807,6 @@ void __kprobes do_page_fault(struct pt_regs *regs, unsigned long error_code) /* get the address */ address = read_cr2(); - if (unlikely(notify_page_fault(regs))) - return; if (unlikely(kmmio_fault(regs, address))) return; @@ -838,6 +836,9 @@ void __kprobes do_page_fault(struct pt_regs *regs, unsigned long error_code) if (spurious_fault(error_code, address)) 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. @@ -846,6 +847,8 @@ void __kprobes do_page_fault(struct pt_regs *regs, unsigned long error_code) return; } + if (unlikely(notify_page_fault(regs))) + return; /* * It's safe to allow irq's after cr2 has been saved and the * vmalloc fault has been handled. |