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authorLinus Torvalds <torvalds@linux-foundation.org>2012-02-10 09:05:07 -0800
committerLinus Torvalds <torvalds@linux-foundation.org>2012-02-10 09:05:07 -0800
commitce2814f227d3adae8456f7cbd0bd5f922fd284f0 (patch)
tree351a35a80fb62307ea48bc1b74f687d309dbb31a /arch
parent1282ab3f8f7bca1d3a7fb701fbe4f0f772e72ea0 (diff)
parentf39d47ff819ed52a2afbdbecbe35f23f7755f58d (diff)
downloadlinux-0-day-ce2814f227d3adae8456f7cbd0bd5f922fd284f0.tar.gz
linux-0-day-ce2814f227d3adae8456f7cbd0bd5f922fd284f0.tar.xz
Merge branch 'perf-urgent-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip
* 'perf-urgent-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip: perf: Fix double start/stop in x86_pmu_start() perf evsel: Fix an issue where perf report fails to show the proper percentage perf tools: Fix prefix matching for kernel maps perf tools: Fix perf stack to non executable on x86_64 perf: Remove deprecated WARN_ON_ONCE()
Diffstat (limited to 'arch')
-rw-r--r--arch/x86/kernel/cpu/perf_event_intel_ds.c1
-rw-r--r--arch/x86/kernel/cpu/perf_event_intel_lbr.c2
2 files changed, 0 insertions, 3 deletions
diff --git a/arch/x86/kernel/cpu/perf_event_intel_ds.c b/arch/x86/kernel/cpu/perf_event_intel_ds.c
index 73da6b64f5b78..d6bd49faa40cf 100644
--- a/arch/x86/kernel/cpu/perf_event_intel_ds.c
+++ b/arch/x86/kernel/cpu/perf_event_intel_ds.c
@@ -439,7 +439,6 @@ void intel_pmu_pebs_enable(struct perf_event *event)
hwc->config &= ~ARCH_PERFMON_EVENTSEL_INT;
cpuc->pebs_enabled |= 1ULL << hwc->idx;
- WARN_ON_ONCE(cpuc->enabled);
if (x86_pmu.intel_cap.pebs_trap && event->attr.precise_ip > 1)
intel_pmu_lbr_enable(event);
diff --git a/arch/x86/kernel/cpu/perf_event_intel_lbr.c b/arch/x86/kernel/cpu/perf_event_intel_lbr.c
index 3fab3de3ce96d..47a7e63bfe54d 100644
--- a/arch/x86/kernel/cpu/perf_event_intel_lbr.c
+++ b/arch/x86/kernel/cpu/perf_event_intel_lbr.c
@@ -72,8 +72,6 @@ void intel_pmu_lbr_enable(struct perf_event *event)
if (!x86_pmu.lbr_nr)
return;
- WARN_ON_ONCE(cpuc->enabled);
-
/*
* Reset the LBR stack if we changed task context to
* avoid data leaks.