Linus,
Please pull the latest perf-urgent-for-linus git tree from:
git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip.git
perf-urgent-for-linus
HEAD: ae23bff1d71f8b416ed740bc458df67355c77c92 perf: Prevent race in
unthrottling code
This is a leftover fix from the v3.11 cycle.
Thanks,
Ingo
------------------>
Jiri Olsa (1):
perf: Prevent race in unthrottling code
kernel/events/core.c | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)
diff --git a/kernel/events/core.c b/kernel/events/core.c
index f86599e..258eaaf 100644
--- a/kernel/events/core.c
+++ b/kernel/events/core.c
@@ -2712,7 +2712,7 @@ static void perf_adjust_freq_unthr_context(struct
perf_event_context *ctx,
hwc = &event->hw;
- if (needs_unthr && hwc->interrupts == MAX_INTERRUPTS) {
+ if (hwc->interrupts == MAX_INTERRUPTS) {
hwc->interrupts = 0;
perf_log_throttle(event, 1);
event->pmu->start(event, 0);
--
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