lkml.org 
[lkml]   [2013]   [May]   [20]   [last100]   RSS Feed
Views: [wrap][no wrap]   [headers]  [forward] 
 
Messages in this thread
/
Date
From
SubjectRe: NOHZ: WARNING: at arch/x86/kernel/smp.c:123 native_smp_send_reschedule, round 2
On Mon, May 20, 2013 at 11:16:33AM +0800, Michael Wang wrote:
> I suppose the reason is that the cpu we passed to
> mod_delayed_work_on() has a chance to become offline before we
> disabled irq, what about check it before send resched ipi? like:

I think this is only addressing the symptoms - what we should be doing
instead is asking ourselves why are we even scheduling work on a cpu if
the machine goes offline?

I don't know though who should be responsible for killing all that
work - the workqueue itself or the guy who created it, i.e. cpufreq
governor...

Hmmm.

--
Regards/Gruss,
Boris.

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


\
 
 \ /
  Last update: 2013-05-20 07:41    [W:0.428 / U:1.420 seconds]
©2003-2020 Jasper Spaans|hosted at Digital Ocean and TransIP|Read the blog|Advertise on this site