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| author |   Robert Richter <robert.richter@amd.com> | 2010-10-15 12:45:00 +0200 |
|---|---|---|
| committer | Robert Richter <robert.richter@amd.com> | 2010-10-15 12:45:00 +0200 |
| commit | 6268464b370e234e0255330190f9bd5d19386ad7 (patch) | |
| tree | 5742641092ce64227dd2086d78baaede57da1f80 /arch/x86/mm/fault.c | |
| parent | oprofile: disable write access to oprofilefs while profiler is running (diff) | |
| parent | Merge branch 'tip/perf/recordmcount-2' of git://git.kernel.org/pub/scm/linux/kernel/git/rostedt/linux-2.6-trace into perf/core (diff) | |
| download | linux-dev-6268464b370e234e0255330190f9bd5d19386ad7.tar.xz linux-dev-6268464b370e234e0255330190f9bd5d19386ad7.zip | |
Merge remote branch 'tip/perf/core' into oprofile/core
Conflicts:
arch/arm/oprofile/common.c
kernel/perf_event.c
Diffstat (limited to 'arch/x86/mm/fault.c')
| -rw-r--r-- | arch/x86/mm/fault.c | 4 |
1 files changed, 4 insertions, 0 deletions
diff --git a/arch/x86/mm/fault.c b/arch/x86/mm/fault.c index 4c4508e8a204..a24c6cfdccc4 100644 --- a/arch/x86/mm/fault.c +++ b/arch/x86/mm/fault.c @@ -251,6 +251,8 @@ static noinline __kprobes int vmalloc_fault(unsigned long address) if (!(address >= VMALLOC_START && address < VMALLOC_END)) return -1; + WARN_ON_ONCE(in_nmi()); + /* * Synchronize this task's top level page-table * with the 'reference' page table. @@ -369,6 +371,8 @@ static noinline __kprobes int vmalloc_fault(unsigned long address) if (!(address >= VMALLOC_START && address < VMALLOC_END)) return -1; + WARN_ON_ONCE(in_nmi()); + /* * Copy kernel mappings over when needed. This can also * happen within a race in page table update. In the later |