The obsolete commit 71abbbf85 want to introduce a dynamic cstates, but it was removed for long time. Just left the nonsense deeper cstate checking.
Since all target_residency and exit_latency are going longer in deeper idle state, no needs to waste some cpu cycle on useless seeking. Signed-off-by: Alex Shi <[email protected]> To: [email protected] Cc: [email protected] Cc: Ulf Hansson <[email protected]> Cc: Daniel Lezcano <[email protected]> Cc: Alex Shi <[email protected]> Cc: Rasmus Villemoes <[email protected]> Cc: Arjan van de Ven <[email protected]> Cc: Rik van Riel <[email protected]> Cc: "Rafael J. Wysocki" <[email protected]> --- drivers/cpuidle/governors/menu.c | 4 ++-- 1 file changed, 2 insertions(+), 2 deletions(-) diff --git a/drivers/cpuidle/governors/menu.c b/drivers/cpuidle/governors/menu.c index 03d38c2..bb58e2a 100644 --- a/drivers/cpuidle/governors/menu.c +++ b/drivers/cpuidle/governors/menu.c @@ -358,9 +358,9 @@ static int menu_select(struct cpuidle_driver *drv, struct cpuidle_device *dev) if (s->disabled || su->disable) continue; if (s->target_residency > data->predicted_us) - continue; + break; if (s->exit_latency > latency_req) - continue; + break; data->last_state_idx = i; } -- 2.8.1.101.g72d917a
