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

Since e168979 ("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>
mariux64 · Jan 18, 2018 · f1343d0 · f1343d0
1 parent c16bee4
commit f1343d0
Showing 1 changed file with 2 additions and 0 deletions.
diff --git a/drivers/cpuidle/cpuidle-powernv.c b/drivers/cpuidle/cpuidle-powernv.c
@@ -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;
 }