diff options
| author | David S. Miller <davem@davemloft.net> | 2010-05-31 05:46:45 -0700 |
|---|---|---|
| committer | David S. Miller <davem@davemloft.net> | 2010-05-31 05:46:45 -0700 |
| commit | 64960848abd18d0bcde3f53ffa7ed0b631e6b25d (patch) | |
| tree | 8424a1c550a98ce09f127425fde9b7b5f2f5027a /arch/x86/kernel/cpu/perf_event.c | |
| parent | 2903037400a26e7c0cc93ab75a7d62abfacdf485 (diff) | |
| parent | 67a3e12b05e055c0415c556a315a3d3eb637e29e (diff) | |
Merge branch 'master' of /home/davem/src/GIT/linux-2.6/
Diffstat (limited to 'arch/x86/kernel/cpu/perf_event.c')
| -rw-r--r-- | arch/x86/kernel/cpu/perf_event.c | 6 |
1 files changed, 5 insertions, 1 deletions
diff --git a/arch/x86/kernel/cpu/perf_event.c b/arch/x86/kernel/cpu/perf_event.c index fd4db0db3708..c77586061bcb 100644 --- a/arch/x86/kernel/cpu/perf_event.c +++ b/arch/x86/kernel/cpu/perf_event.c @@ -1717,7 +1717,11 @@ void perf_arch_fetch_caller_regs(struct pt_regs *regs, unsigned long ip, int ski */ regs->bp = rewind_frame_pointer(skip + 1); regs->cs = __KERNEL_CS; - local_save_flags(regs->flags); + /* + * We abuse bit 3 to pass exact information, see perf_misc_flags + * and the comment with PERF_EFLAGS_EXACT. + */ + regs->flags = 0; } unsigned long perf_instruction_pointer(struct pt_regs *regs) |