lkml.org 
[lkml]   [2011]   [Sep]   [13]   [last100]   RSS Feed
Views: [wrap][no wrap]   [headers]  [forward] 
 
Messages in this thread
/
SubjectRe: [ANNOUNCE] 3.0.4-rt13
From
Date
On Tue, 2011-09-13 at 17:28 +0200, Mike Galbraith wrote:
> On Tue, 2011-09-13 at 17:08 +0200, Peter Zijlstra wrote:
> > On Tue, 2011-09-13 at 15:36 +0200, Peter Zijlstra wrote:
> > > Does the below cure things? It breaks !rt builds, but we can cure that
> > > if it works..
> >
> > n/m its broken like hell..
>
> Since this seems to be a legitimate need for a non-preemptive wakeup,
> how about we [re]create one to get rid of abuse? (otoh, that would add
> a branch everywhere.. btdt a couple times, always ended up tossing it)

Nah, we absolutely need to kill that preempt_disable/enable stuff in
there, it covers an O(n^2) loop, its complete crap.

Just need to wrap my head around that code..


\
 
 \ /
  Last update: 2011-09-13 18:17    [from the cache]
©2003-2011 Jasper Spaans