lkml.org 
[lkml]   [2013]   [Aug]   [31]   [last100]   RSS Feed
Views: [wrap][no wrap]   [headers]  [forward] 
 
Messages in this thread
/
Date
From
SubjectRe: kernel deadlock
Hi Stephen,
>
> Just curious. Do you have this patch from 3.11 applied to your 3.10
> kernel tree?

Nope, I didn't. But I applied it, and it doesn't seem to make a
difference, unfortunately. :-(

Thanks for your help anyway!
Gerlando

>
> commit 971ee28cbd1ccd87b3164facd9359a534c1d2892
> Author: Peter Zijlstra <peterz@infradead.org>
> Date: Fri Jun 28 11:18:53 2013 +0200
>
> sched: Fix HRTICK
>
> David reported that the HRTICK sched feature was borken; which was
> enough
> motivation for me to finally fix it ;-)
>
> We should not allow hrtimer code to do softirq wakeups while holding
> schedul
> er
> locks. The hrtimer code only needs this when we accidentally try to
> program
> an
> expired time. We don't much care about those anyway since we have
> the regula
> r
> tick to fall back to.
>
> Reported-by: David Ahern <dsahern@gmail.com>
> Tested-by: David Ahern <dsahern@gmail.com>
> Signed-off-by: Peter Zijlstra <peterz@infradead.org>
> Link:
> http://lkml.kernel.org/r/20130628091853.GE29209@dyad.programming.kicks
> -ass.net
> Signed-off-by: Ingo Molnar <mingo@kernel.org>
>



\
 
 \ /
  Last update: 2013-08-31 10:21    [W:0.100 / U:0.804 seconds]
©2003-2020 Jasper Spaans|hosted at Digital Ocean and TransIP|Read the blog|Advertise on this site