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SubjectRe: [PATCH] nohz: no softirq pending warnings for offline cpus

* Heiko Carstens <> wrote:

> From: Heiko Carstens <>
> After a cpu was taken down during cpu hotplug (read: disabled for interrupts)
> it still might have pending softirqs. However take_cpu_down makes sure
> that the idle task will run next instead of ksoftirqd on the taken down cpu.
> The idle task will call tick_nohz_stop_sched_tick which might warn about
> pending softirqs just before the cpu kills itself completely.
> However the pending softirqs on the dead cpu aren't a problem because they
> will be moved to an online cpu during CPU_DEAD handling.
> So make sure we warn only for online cpus.
> Signed-off-by: Heiko Carstens <>
> ---
> kernel/time/tick-sched.c | 2 +-
> 1 file changed, 1 insertion(+), 1 deletion(-)

applied to tip/timers/nohz, thanks Heiko!


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