Commit-ID: af7bdbafe3812af406ce07631effd2b96aae2dba
Gitweb: http://git.kernel.org/tip/af7bdbafe3812af406ce07631effd2b96aae2dba
Author: Thomas Gleixner <tglx@xxxxxxxxxxxxx>
AuthorDate: Thu, 21 Feb 2013 18:21:30 +0100
Committer: Thomas Gleixner <tglx@xxxxxxxxxxxxx>
CommitDate: Thu, 21 Feb 2013 20:52:34 +0100
Revert "nohz: Make tick_nohz_irq_exit() irq safe"
This reverts commit 351429b2e62b6545bb10c756686393f29ba268a1. The
extra local_irq_save() is not longer needed as the call site now
always calls with interrupts disabled.
Signed-off-by: Thomas Gleixner <tglx@xxxxxxxxxxxxx>
Cc: Frederic Weisbecker <fweisbec@xxxxxxxxx>
Cc: Peter Zijlstra <peterz@xxxxxxxxxxxxx>
Cc: Ingo Molnar <mingo@xxxxxxxxxx>
Cc: Paul E. McKenney <paulmck@xxxxxxxxxxxxxxxxxx>
Cc: Linus Torvalds <torvalds@xxxxxxxxxxxxxxxxxxx>
---
kernel/time/tick-sched.c | 7 +------
1 file changed, 1 insertion(+), 6 deletions(-)
diff --git a/kernel/time/tick-sched.c b/kernel/time/tick-sched.c
index 520592a..314b9ee 100644
--- a/kernel/time/tick-sched.c
+++ b/kernel/time/tick-sched.c
@@ -565,19 +565,14 @@ void tick_nohz_idle_enter(void)
*/
void tick_nohz_irq_exit(void)
{
- unsigned long flags;
struct tick_sched *ts = &__get_cpu_var(tick_cpu_sched);
if (!ts->inidle)
return;
- local_irq_save(flags);
-
- /* Cancel the timer because CPU already waken up from the C-states */
+ /* Cancel the timer because CPU already waken up from the C-states*/
menu_hrtimer_cancel();
__tick_nohz_idle_enter(ts);
-
- local_irq_restore(flags);
}
/**
--
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