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Commit db6f672e authored by Thomas Gleixner's avatar Thomas Gleixner Committed by Ingo Molnar
Browse files

clockevents: Remove extra local_irq_save() in clockevents_exchange_device() 



Called with 'clockevents_lock' held and interrupts disabled
already.

Signed-off-by: default avatarThomas Gleixner <tglx@linutronix.de>
Signed-off-by: default avatarRafael J. Wysocki <rafael.j.wysocki@intel.com>
Cc: Peter Zijlstra <peterz@infradead.org>
Link: http://lkml.kernel.org/r/51005827.yXt5tjZMBs@vostro.rjw.lan


Signed-off-by: default avatarIngo Molnar <mingo@kernel.org>
parent c1797baf

kernel/time/clockevents.c

+2 −5
Original line number Diff line number Diff line
@@ -595,14 +595,12 @@ void clockevents_handle_noop(struct clock_event_device *dev) 
 * @old:	device to release (can be NULL)

 * @new:	device to request (can be NULL)

 *

 * Called from the notifier chain. clockevents_lock is held already

 * Called from various tick functions with clockevents_lock held and

 * interrupts disabled.

 */

void clockevents_exchange_device(struct clock_event_device *old,

				 struct clock_event_device *new)

{

	unsigned long flags;



	local_irq_save(flags);

	/*

	 * Caller releases a clock event device. We queue it into the

	 * released list and do a notify add later.
@@ -618,7 +616,6 @@ void clockevents_exchange_device(struct clock_event_device *old, 
		BUG_ON(new->state != CLOCK_EVT_STATE_DETACHED);

		clockevents_shutdown(new);

	}

	local_irq_restore(flags);

}



/**