lkml.org 
[lkml]   [2017]   [Aug]   [23]   [last100]   RSS Feed
Views: [wrap][no wrap]   [headers]  [forward] 
 
Messages in this thread
/
Date
From
SubjectRe: [RFC PATCH 12/12] housekeeping: Reimplement isolcpus on housekeeping
On Wed, 23 Aug 2017, Frederic Weisbecker wrote:

> While at it, this is a proposition for a reimplementation of isolcpus=
> that doesn't involve scheduler domain isolation. Therefore this
> brings a behaviour change: all user tasks inherit init/1 affinity which
> avoid the isolcpus= range. But if a task later overrides its affinity
> which turns out to intersect an isolated CPU, load balancing may occur
> on it.

I think that change is good maybe even a bugfix. I had some people be very
surprised when they set affinities to multiple cpus and the processeds
kept sticking to one cpu because of isolcpus.

\
 
 \ /
  Last update: 2017-08-23 16:56    [W:0.063 / U:9.520 seconds]
©2003-2020 Jasper Spaans|hosted at Digital Ocean and TransIP|Read the blog|Advertise on this site