Git Repo - linux.git/commit - drivers/cpuidle/cpuidle-powernv.c

]> Git Repo - linux.git/commit - drivers/cpuidle/cpuidle-powernv.c

author	Nicholas Piggin <[email protected]>
	Wed, 14 Jun 2017 13:02:41 +0000 (23:02 +1000)
committer	Michael Ellerman <[email protected]>
	Wed, 28 Jun 2017 03:08:12 +0000 (13:08 +1000)
commit	7ded429152e84831f6696585755f318fb351e67f
tree	fa7aa9cf3c30c61ef5ec7a01cbc92be38da99815	tree \| snapshot
parent	624e46d03576dd4d5667bad9d2ef814135d0075c	commit \| diff

cpuidle: powerpc: no memory barrier after break from idle

A memory barrier is not required after the task wakes up,
only if we clear the polling flag before waking. The case
where we have work to do is the important one, so optimise
for it.

Reviewed-by: Vaidyanathan Srinivasan <[email protected]>
Signed-off-by: Nicholas Piggin <[email protected]>
Signed-off-by: Michael Ellerman <[email protected]>

drivers/cpuidle/cpuidle-powernv.c		diff \| blob \| blame \| history
drivers/cpuidle/cpuidle-pseries.c		diff \| blob \| blame \| history

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