Masayuki Ishikawa e1f71f988b sched/semaphore/spinlock.c: Add memory barrier operations in spin_unlock()
In ARM document regarding memory barrires, SP_DMB() must be issued
before changing a spinlock state to SP_UNLOCKED. However, we found
that SP_DSB() is also needed to ensure that spin_unlock() works
correctly for network streaming aging test.

Signed-off-by: Masayuki Ishikawa <Masayuki.Ishikawa@jp.sony.com>
2017-12-21 17:40:08 +09:00
..
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