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Commit 26eb48a9 authored by Anton Blanchard's avatar Anton Blanchard Committed by Rafael J. Wysocki
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cpuidle: powernv: Don't continually set thread priority in snooze_loop() 



The powerpc64 kernel exception handlers have preserved thread priorities
for a long time now, so there is no need to continually set it.

Just set it once on entry and once exit.

Signed-off-by: default avatarAnton Blanchard <anton@samba.org>
Reviewed-by: default avatarVaidyanathan Srinivasan <svaidy@linux.vnet.ibm.com>
Signed-off-by: default avatarRafael J. Wysocki <rafael.j.wysocki@intel.com>
parent 79b57811

drivers/cpuidle/cpuidle-powernv.c

+1 −1
Original line number Diff line number Diff line
@@ -56,8 +56,8 @@ static int snooze_loop(struct cpuidle_device *dev, 


	snooze_exit_time = get_tb() + snooze_timeout;

	ppc64_runlatch_off();

	while (!need_resched()) {

	HMT_very_low();

	while (!need_resched()) {

		if (snooze_timeout_en && get_tb() > snooze_exit_time)

			break;

	}