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authorLinus Torvalds <torvalds@linux-foundation.org>2017-02-11 10:24:16 -0800
committerLinus Torvalds <torvalds@linux-foundation.org>2017-02-11 10:24:16 -0800
commitfdb0ee7c65781464168e2943a3fd6f1e66a397c9 (patch)
tree4c1e8f5d1be9b34087f29d76577d8e6ec40962e1 /kernel
parentd5b76bef01047843cc65bd018046c76182b1fc81 (diff)
parent7bdb59f1ad474bd7161adc8f923cdef10f2638d1 (diff)
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Merge branch 'timers-urgent-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip
Pull timer fix from Ingo Molnar: "Fix a sporadic missed timer hw reprogramming bug that can result in random delays" * 'timers-urgent-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip: tick/nohz: Fix possible missing clock reprog after tick soft restart
Diffstat (limited to 'kernel')
-rw-r--r--kernel/time/tick-sched.c5
1 files changed, 5 insertions, 0 deletions
diff --git a/kernel/time/tick-sched.c b/kernel/time/tick-sched.c
index 74e0388cc88d..fc6f740d0277 100644
--- a/kernel/time/tick-sched.c
+++ b/kernel/time/tick-sched.c
@@ -725,6 +725,11 @@ static ktime_t tick_nohz_stop_sched_tick(struct tick_sched *ts,
*/
if (delta == 0) {
tick_nohz_restart(ts, now);
+ /*
+ * Make sure next tick stop doesn't get fooled by past
+ * clock deadline
+ */
+ ts->next_tick = 0;
goto out;
}
}