Re: [tip:timers/urgent] tick: Don't invoketick_nohz_stop_sched_tick( ) if the cpu is offline

From: Borislav Petkov
Date: Thu May 16 2013 - 10:15:21 EST


On Thu, May 16, 2013 at 04:06:58PM +0200, Thomas Gleixner wrote:
> No, it's not about restarting the tick. It's about not falling into
> the nohz functions when the cpu is about to die. Just leave it alone,
> that's what the patch does.

Yep, this is how I saw it too: why even fiddle when the tick when we're
going offline anyway. We can look at the tick when we come back online
and enter idle.

--
Regards/Gruss,
Boris.

Sent from a fat crate under my desk. Formatting is fine.
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