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| author | Thomas Gleixner <tglx@linutronix.de> | 2013-02-21 21:21:30 +0400 |
|---|---|---|
| committer | Thomas Gleixner <tglx@linutronix.de> | 2013-02-21 23:52:34 +0400 |
| commit | af7bdbafe3812af406ce07631effd2b96aae2dba (patch) | |
| tree | 4dddf6a7a5cbb9b04d1b0d04af1f25383e27fa19 /kernel | |
| parent | facd8b80c67a3cf64a467c4a2ac5fb31f2e6745b (diff) | |
| download | linux-af7bdbafe3812af406ce07631effd2b96aae2dba.tar.xz | |
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@linutronix.de>
Cc: Frederic Weisbecker <fweisbec@gmail.com>
Cc: Peter Zijlstra <peterz@infradead.org>
Cc: Ingo Molnar <mingo@kernel.org>
Cc: Paul E. McKenney <paulmck@linux.vnet.ibm.com>
Cc: Linus Torvalds <torvalds@linuxfoundation.org>
Diffstat (limited to 'kernel')
| -rw-r--r-- | kernel/time/tick-sched.c | 7 |
1 files changed, 1 insertions, 6 deletions
diff --git a/kernel/time/tick-sched.c b/kernel/time/tick-sched.c index 520592ab6aa4..314b9ee07edf 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); } /** |