cpuidle: teo: Ignore disabled idle states that are too deep (069ce2ef) · Commits · 戴 / test

Prevent disabled CPU idle state with target residencies beyond the anticipated idle duration from being taken into account by the TEO governor. Fixes: ("cpuidle: New timer events oriented governor for tickless systems") Signed-off-by:

Rafael J. Wysocki <rafael.j.wysocki@intel.com> Cc: 5.1+ <stable@vger.kernel.org> # 5.1+

drivers/cpuidle/governors/teo.c

+7 −0

Original line number	Diff line number	Diff line
		@@ -257,6 +257,13 @@ static int teo_select(struct cpuidle_driver drv, struct cpuidle_device dev,
		struct cpuidle_state_usage *su = &dev->states_usage[i];

		if (s->disabled \|\| su->disable) {
		/*
		* Ignore disabled states with target residencies beyond
		* the anticipated idle duration.
		*/
		if (s->target_residency > duration_us)
		continue;

		/*
		* If the "early hits" metric of a disabled state is
		* greater than the current maximum, it should be taken

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