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authorGreg Kroah-Hartman <gregkh@linuxfoundation.org>2012-08-27 07:08:39 -0700
committerGreg Kroah-Hartman <gregkh@linuxfoundation.org>2012-08-27 07:08:39 -0700
commit9db48aaf18d675ac41f550c9384154e0c00de2ef (patch)
tree70a19b9164c103e5f52dddff609e01672f8ef616 /arch/x86/include/asm/perf_event.h
parent0592969e73ae50ce6852d1aff3d222a335289094 (diff)
parentfea7a08acb13524b47711625eebea40a0ede69a0 (diff)
Merge 3.6-rc3 into driver-core-next
This picks up the printk fixes in 3.6-rc3 that are needed in this branch. Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Diffstat (limited to 'arch/x86/include/asm/perf_event.h')
-rw-r--r--arch/x86/include/asm/perf_event.h11
1 files changed, 8 insertions, 3 deletions
diff --git a/arch/x86/include/asm/perf_event.h b/arch/x86/include/asm/perf_event.h
index dab39350e51..cb4e43bce98 100644
--- a/arch/x86/include/asm/perf_event.h
+++ b/arch/x86/include/asm/perf_event.h
@@ -196,11 +196,16 @@ static inline u32 get_ibs_caps(void) { return 0; }
extern void perf_events_lapic_init(void);
/*
- * Abuse bit 3 of the cpu eflags register to indicate proper PEBS IP fixups.
- * This flag is otherwise unused and ABI specified to be 0, so nobody should
- * care what we do with it.
+ * Abuse bits {3,5} of the cpu eflags register. These flags are otherwise
+ * unused and ABI specified to be 0, so nobody should care what we do with
+ * them.
+ *
+ * EXACT - the IP points to the exact instruction that triggered the
+ * event (HW bugs exempt).
+ * VM - original X86_VM_MASK; see set_linear_ip().
*/
#define PERF_EFLAGS_EXACT (1UL << 3)
+#define PERF_EFLAGS_VM (1UL << 5)
struct pt_regs;
extern unsigned long perf_instruction_pointer(struct pt_regs *regs);