[lkml]   [2015]   [Jun]   [1]   [last100]   RSS Feed
Views: [wrap][no wrap]   [headers]  [forward] 
Messages in this thread
SubjectRe: sched_setscheduler() vs idle_balance() race
On Sun, May 31, 2015 at 08:39:04AM +0200, Mike Galbraith wrote:
> I don't see why we can't just say no in can_migrate_task() if ->pi_lock
> is held.

I suppose we could do that; what I really want to avoid is also
requiring pi_lock for scheduling.

The down-side of looking at pi_lock for migration is that there is no
common point for migrating tasks, its all inside the classes, so we'd
get to sprinkle it all over the place.

 \ /
  Last update: 2015-06-01 10:41    [W:0.072 / U:19.820 seconds]
©2003-2018 Jasper Spaans|hosted at Digital Ocean and TransIP|Read the blog|Advertise on this site