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authorLinus Torvalds <torvalds@linux-foundation.org>2010-08-24 21:21:49 +0200
committerLinus Torvalds <torvalds@linux-foundation.org>2010-08-24 21:21:49 +0200
commit502adf5778f4151dcba3f64dd6ed322151f3712c (patch)
treead14adb37dedaefabdaf93b08ab9d32bc140ed81 /kernel
parentMerge branch 'core-fixes-for-linus' of git://git.kernel.org/pub/scm/linux/ker... (diff)
parentwatchdog: Don't throttle the watchdog (diff)
downloadlinux-502adf5778f4151dcba3f64dd6ed322151f3712c.tar.xz
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Merge branch 'perf-fixes-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/linux-2.6-tip
* 'perf-fixes-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/linux-2.6-tip: watchdog: Don't throttle the watchdog tracing: Fix timer tracing
Diffstat (limited to 'kernel')
-rw-r--r--kernel/watchdog.c3
1 files changed, 3 insertions, 0 deletions
diff --git a/kernel/watchdog.c b/kernel/watchdog.c
index 613bc1f04610..0d53c8e853b1 100644
--- a/kernel/watchdog.c
+++ b/kernel/watchdog.c
@@ -206,6 +206,9 @@ void watchdog_overflow_callback(struct perf_event *event, int nmi,
struct perf_sample_data *data,
struct pt_regs *regs)
{
+ /* Ensure the watchdog never gets throttled */
+ event->hw.interrupts = 0;
+
if (__get_cpu_var(watchdog_nmi_touch) == true) {
__get_cpu_var(watchdog_nmi_touch) = false;
return;