lkml.org 
[lkml]   [2014]   [Aug]   [14]   [last100]   RSS Feed
Views: [wrap][no wrap]   [headers]  [forward] 
 
Messages in this thread
/
Date
From
SubjectRe: [PATCH] cpuidle: Fix the CPU stuck at C0 for 2-3s after PM_QOS back to DEFAULT
On Thu, Aug 14, 2014 at 11:24:06AM +0000, Liu, Chuansheng wrote:
> If inspecting the polling flag, we can not fix the race between poll_idle and smp_callback,
> since in poll_idle(), before set polling flag, if the smp_callback come in, then no resched bit set,
> after that, poll_idle() will do the polling action, without reselection immediately, it will bring power
> regression here.

-ENOPARSE. Is there a question there?
[unhandled content-type:application/pgp-signature]
\
 
 \ /
  Last update: 2014-08-14 15:21    [W:0.070 / U:0.436 seconds]
©2003-2020 Jasper Spaans|hosted at Digital Ocean and TransIP|Read the blog|Advertise on this site