Commit f1343d04 authored Nov 17, 2017 by Nicholas Piggin Committed by Michael Ellerman Jan 18, 2018

cpuidle/powernv: avoid double irq enable coming out of idle

Since e1689795 ("cpuidle: Add common time keeping and irq enabling"),
cpuidle drivers are expected to return from ->enter with irqs disabled.

Update the cpuidle-powernv snooze loop to disable irqs before returning.

Signed-off-by: Nicholas Piggin <npiggin@gmail.com>
Signed-off-by: Michael Ellerman <mpe@ellerman.id.au>

parent c16bee4b

drivers/cpuidle/cpuidle-powernv.c

+2 −0

Original line number	Diff line number	Diff line
		@@ -76,6 +76,8 @@ static int snooze_loop(struct cpuidle_device *dev,
		ppc64_runlatch_on();
		clear_thread_flag(TIF_POLLING_NRFLAG);

		local_irq_disable();

		return index;
		}