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arch: Mass conversion of smp_mb__*()

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Mostly scripted conversion of the smp_mb__* barriers.

Signed-off-by: Peter Zijlstra <peterz@infradead.org>
Acked-by: Paul E. McKenney <paulmck@linux.vnet.ibm.com>
Link: http://lkml.kernel.org/n/tip-55dhyhocezdw1dg7u19hmh1u@git.kernel.org
Cc: Linus Torvalds <torvalds@linux-foundation.org>
Cc: linux-arch@vger.kernel.org
Signed-off-by: Ingo Molnar <mingo@kernel.org>
This commit is contained in:
Peter Zijlstra
2014-03-17 18:06:10 +01:00
committed by Ingo Molnar
parent 1b15611e1c
commit 4e857c58ef
106 changed files with 284 additions and 288 deletions
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6
include/linux/sched.h
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@@ -2782,10 +2782,8 @@ static inline bool __must_check current_set_polling_and_test(void)
/*
* Polling state must be visible before we test NEED_RESCHED,
* paired by resched_task()
*
* XXX: assumes set/clear bit are identical barrier wise.
*/
smp_mb__after_clear_bit();
smp_mb__after_atomic();
return unlikely(tif_need_resched());
}
@@ -2803,7 +2801,7 @@ static inline bool __must_check current_clr_polling_and_test(void)
* Polling state must be visible before we test NEED_RESCHED,
* paired by resched_task()
*/
smp_mb__after_clear_bit();
smp_mb__after_atomic();
return unlikely(tif_need_resched());
}