[lkml]   [2019]   [Jul]   [16]   [last100]   RSS Feed
Views: [wrap][no wrap]   [headers]  [forward] 
Messages in this thread
SubjectRe: [PATCH v11 3/5] sched/core: uclamp: Propagate system defaults to root group
On Tue, Jul 16, 2019 at 03:34:17PM +0100, Patrick Bellasi <> wrote:
> > cpu_util_update_eff internally calls css_for_each_descendant_pre() so
> > this should be protected with rcu_read_lock().
> Right, good catch! Will add in v12.
When I responded to your other patch, it occurred to me that since
cpu_util_update_eff goes writing down to child csses, it should take
also uclamp_mutex here to avoid race with direct cgroup attribute

 \ /
  Last update: 2019-07-16 17:36    [W:0.089 / U:11.496 seconds]
©2003-2018 Jasper Spaans|hosted at Digital Ocean and TransIP|Read the blog|Advertise on this site