github-mirror/linux
1
0
Fork 0
mirror of https://github.com/torvalds/linux.git synced 2026-06-07 22:14:04 +02:00
Code Issues Actions Packages Projects Releases Wiki Activity Graph

ARM: idle: call idle notifiers before stopping nohz tick

Browse Source 
If an idle notifier modifies a timer, calling the notifier after
the sched tick has been stopped may leave the sched tick set too
early.  Move teh idle notifier call before the call to
tick_nohz_stop_sched_tick.

Change-Id: I0db3284bec6d0193bc5e2a57650ab06bd8342319
Signed-off-by: Colin Cross <ccross@android.com>
This commit is contained in:
Colin Cross 2011-11-29 16:37:07 -08:00
parent 6a4a38525d
commit b86fd0b622
1 changed files with 1 additions and 1 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

2
arch/arm/kernel/process.c
View File

@ -223,8 +223,8 @@ void cpu_idle(void)
/* endless idle loop with no priority at all */
while (1) {
tick_nohz_stop_sched_tick(1);
idle_notifier_call_chain(IDLE_START);
tick_nohz_stop_sched_tick(1);
while (!need_resched()) {
#ifdef CONFIG_HOTPLUG_CPU
if (cpu_is_offline(smp_processor_id()))