From: Vitaly Kuznetsov Date: Wed, 24 Jun 2015 14:02:06 +0000 (+0200) Subject: PM / hibernate: re-enable nonboot cpus on disable_nonboot_cpus() failure X-Git-Url: http://git.maquefel.me/?a=commitdiff_plain;h=8c506608c3b2eac939fa244bcdea5faa31818f95;p=linux.git PM / hibernate: re-enable nonboot cpus on disable_nonboot_cpus() failure When disable_nonboot_cpus() fails on some cpu it doesn't bring back all cpus it managed to offline, a consequent call to enable_nonboot_cpus() is expected. In hibernation_platform_enter() we don't call enable_nonboot_cpus() on error so cpus stay offlined. create_image() and resume_target_kernel() functions handle disable_nonboot_cpus() faults correctly, hibernation_platform_enter() is the only one which is doing it wrong. Signed-off-by: Vitaly Kuznetsov Signed-off-by: Rafael J. Wysocki --- diff --git a/kernel/power/hibernate.c b/kernel/power/hibernate.c index 2329daae52553..690f78f210f2c 100644 --- a/kernel/power/hibernate.c +++ b/kernel/power/hibernate.c @@ -552,7 +552,7 @@ int hibernation_platform_enter(void) error = disable_nonboot_cpus(); if (error) - goto Platform_finish; + goto Enable_cpus; local_irq_disable(); syscore_suspend(); @@ -568,6 +568,8 @@ int hibernation_platform_enter(void) Power_up: syscore_resume(); local_irq_enable(); + + Enable_cpus: enable_nonboot_cpus(); Platform_finish: