[lkml]   [2010]   [Nov]   [16]   [last100]   RSS Feed
Views: [wrap][no wrap]   [headers]  [forward] 
Messages in this thread
SubjectRe: [RFC/RFT PATCH v3] sched: automated per tty task groups
On Mon, 2010-11-15 at 14:25 -0700, Mike Galbraith wrote:
> > > + if (p->flags & PF_EXITING)
> > > + return false;
> >
> > Hmm, why? Perhaps PF_EXITING was needed in the previous version to
> > avoid the race with release_task(). But now it is always safe to
> > use signal->autogroup.
> That came into existence when I stress tested previous version in
> PREEMPT_RT (boom). I see no good reason to bother an exiting task
> though, so would prefer to leave it as is.

PREEMPT_RT has a slightly different exit path IIRC. If that was the only
thing you saw it explode on we could leave the check out for now and
revisit it in the -rt patches when and if it pops up. Hmm?

 \ /
  Last update: 2010-11-16 15:03    [W:0.285 / U:2.368 seconds]
©2003-2018 Jasper Spaans|hosted at Digital Ocean and TransIP|Read the blog|Advertise on this site