Linux kernel mirror (for testing)
git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git
kernel
os
linux
Merge branch 'timers-urgent-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip
Pull timer fix from Thomas Gleixner:
"Correct an ordering issue in the tick broadcast code. I really wish
we'd get compensation for pain and suffering for each line of code we
write to work around dysfunctional timer hardware."
* 'timers-urgent-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip:
tick: Fix tick_broadcast_pending_mask not cleared
+5
-2
+5
-2
kernel/time/tick-broadcast.c
+5
-2
kernel/time/tick-broadcast.c
···
599
599
} else {
600
600
if (cpumask_test_and_clear_cpu(cpu, tick_broadcast_oneshot_mask)) {
601
601
clockevents_set_mode(dev, CLOCK_EVT_MODE_ONESHOT);
602
-
if (dev->next_event.tv64 == KTIME_MAX)
603
-
goto out;
604
602
/*
605
603
* The cpu which was handling the broadcast
606
604
* timer marked this cpu in the broadcast
···
612
614
tick_broadcast_pending_mask))
613
615
goto out;
614
616
617
+
/*
618
+
* Bail out if there is no next event.
619
+
*/
620
+
if (dev->next_event.tv64 == KTIME_MAX)
621
+
goto out;
615
622
/*
616
623
* If the pending bit is not set, then we are
617
624
* either the CPU handling the broadcast