lkml.org 
[lkml]   [2016]   [Aug]   [5]   [last100]   RSS Feed
Views: [wrap][no wrap]   [headers]  [forward] 
 
Messages in this thread
/
Date
From
SubjectRe: The timer softirq on the RT kernel
On Fri, 05 Aug 2016 04:36:23 +0200
Mike Galbraith <umgwanakikbuti@gmail.com> wrote:

> On Thu, 2016-08-04 at 17:36 -0700, yunhong jiang wrote:
> > Hi,Mike & Steven
> > On https://lkml.org/lkml/2015/3/24/1178, the patch of
> > "timers: do not raise softirq unconditionally" is reverted. Thanks
> > for Steven's
> > detailed comments, it's quite clear explained.
> > I remember Mike has a patch trying to fix it but late
> > abandoned. Do you still have any plan to work on this? Otherwise, I
> > will have a try.
>
> Sebastian converted the lock to raw in -rt, so nohz_full now works
> without any extra hackery.

Hi, Mike, thanks for reply and the update. I still noticed timer softirq
on my isolated CPUs, possibly something wrong on my environment. I will
re-check it.

Thanks
--jyh

>
> -Mike

\
 
 \ /
  Last update: 2016-08-05 23:01    [W:0.050 / U:0.228 seconds]
©2003-2020 Jasper Spaans|hosted at Digital Ocean and TransIP|Read the blog|Advertise on this site