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| author |   Peter Zijlstra <a.p.zijlstra@chello.nl> | 2007-10-25 14:01:10 +0200 |
|---|---|---|
| committer | Peter Zijlstra <a.p.zijlstra@chello.nl> | 2007-10-25 14:01:10 +0200 |
| commit | 143a5d325d35efb1b29dcb8d6031cf27107e183a (patch) | |
| tree | def297c7608722df2b5a51e5e6acaacb1aeb1f97 /arch/x86/mm/fault_32.c | |
| parent | Linux 2.6.24-rc1 (diff) | |
| download | linux-dev-143a5d325d35efb1b29dcb8d6031cf27107e183a.tar.xz linux-dev-143a5d325d35efb1b29dcb8d6031cf27107e183a.zip | |
lockdep: fixup irq tracing
Ensure we fixup the IRQ state before we hit any locking code.
Signed-off-by: Peter Zijlstra <a.p.zijlstra@chello.nl>
Signed-off-by: Ingo Molnar <mingo@elte.hu>
Diffstat (limited to 'arch/x86/mm/fault_32.c')
| -rw-r--r-- | arch/x86/mm/fault_32.c | 5 |
1 files changed, 5 insertions, 0 deletions
diff --git a/arch/x86/mm/fault_32.c b/arch/x86/mm/fault_32.c index 503dfc05111b..2e542e89a3e2 100644 --- a/arch/x86/mm/fault_32.c +++ b/arch/x86/mm/fault_32.c @@ -303,6 +303,11 @@ fastcall void __kprobes do_page_fault(struct pt_regs *regs, int write, si_code; int fault; + /* + * We can fault from pretty much anywhere, with unknown IRQ state. + */ + trace_hardirqs_fixup(); + /* get the address */ address = read_cr2(); |