From 659b66e98bb38dc6300dca3c9ebebeba194b575b Mon Sep 17 00:00:00 2001 From: Li RongQing Date: Fri, 4 Mar 2022 15:53:28 +0800 Subject: cpuidle: haltpoll: Call cpuidle_poll_state_init() later Call cpuidle_poll_state_init() only if it is needed to avoid doing useless work. Signed-off-by: Li RongQing [ rjw: Subject and changelog edits ] Signed-off-by: Rafael J. Wysocki --- drivers/cpuidle/cpuidle-haltpoll.c | 4 ++-- 1 file changed, 2 insertions(+), 2 deletions(-) (limited to 'drivers/cpuidle') diff --git a/drivers/cpuidle/cpuidle-haltpoll.c b/drivers/cpuidle/cpuidle-haltpoll.c index fcc53215bac8..3a39a7f48b77 100644 --- a/drivers/cpuidle/cpuidle-haltpoll.c +++ b/drivers/cpuidle/cpuidle-haltpoll.c @@ -108,11 +108,11 @@ static int __init haltpoll_init(void) if (boot_option_idle_override != IDLE_NO_OVERRIDE) return -ENODEV; - cpuidle_poll_state_init(drv); - if (!kvm_para_available() || !haltpoll_want()) return -ENODEV; + cpuidle_poll_state_init(drv); + ret = cpuidle_register_driver(drv); if (ret < 0) return ret; -- cgit v1.2.3