redonkable
/
alistair23-linux
1
0
Fork 0
Code Releases Activity

clockevents: Remove extra local_irq_save() in clockevents_exchange_device() 

Called with 'clockevents_lock' held and interrupts disabled
already.

Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
Signed-off-by: Rafael 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: Ingo Molnar <mingo@kernel.org>
hifive-unleashed-5.1
Thomas Gleixner 2015-03-25 13:08:27 +01:00 committed by Ingo Molnar
parent c1797baf68
commit db6f672ef1
1 changed files with 2 additions and 5 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

7
kernel/time/clockevents.c
View File

@ -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);
}
/**