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| author | Greg Kroah-Hartman <gregkh@linuxfoundation.org> | 2013-12-24 09:43:21 -0800 |
|---|---|---|
| committer | Greg Kroah-Hartman <gregkh@linuxfoundation.org> | 2013-12-24 09:43:21 -0800 |
| commit | 5bd2010fbe027b224db2e74a4fdfec9a7b7918d2 (patch) | |
| tree | 59106aae3930a3608409c101ec32d68742c8d168 /arch/x86/kernel | |
| parent | 41f107266b19d100c1bcef9e1e1aef00692c1209 (diff) | |
| parent | 413541dd66d51f791a0b169d9b9014e4f56be13c (diff) | |
| download | talos-obmc-linux-5bd2010fbe027b224db2e74a4fdfec9a7b7918d2.tar.gz talos-obmc-linux-5bd2010fbe027b224db2e74a4fdfec9a7b7918d2.zip | |
Merge 3.13-rc5 into staging-next
We want these fixes here to handle some merge issues.
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Diffstat (limited to 'arch/x86/kernel')
| -rw-r--r-- | arch/x86/kernel/cpu/perf_event.h | 15 |
1 files changed, 12 insertions, 3 deletions
diff --git a/arch/x86/kernel/cpu/perf_event.h b/arch/x86/kernel/cpu/perf_event.h index fd00bb29425d..c1a861829d81 100644 --- a/arch/x86/kernel/cpu/perf_event.h +++ b/arch/x86/kernel/cpu/perf_event.h @@ -262,11 +262,20 @@ struct cpu_hw_events { __EVENT_CONSTRAINT(c, n, INTEL_ARCH_EVENT_MASK, \ HWEIGHT(n), 0, PERF_X86_EVENT_PEBS_ST_HSW) -#define EVENT_CONSTRAINT_END \ - EVENT_CONSTRAINT(0, 0, 0) +/* + * We define the end marker as having a weight of -1 + * to enable blacklisting of events using a counter bitmask + * of zero and thus a weight of zero. + * The end marker has a weight that cannot possibly be + * obtained from counting the bits in the bitmask. + */ +#define EVENT_CONSTRAINT_END { .weight = -1 } +/* + * Check for end marker with weight == -1 + */ #define for_each_event_constraint(e, c) \ - for ((e) = (c); (e)->weight; (e)++) + for ((e) = (c); (e)->weight != -1; (e)++) /* * Extra registers for specific events. |
