Re: [PATCH v2 cgroup/for-4.15-fixes] cgroup: add warning about RT not being supported on cgroup2

2017-12-05 Thread Tejun Heo
On Tue, Dec 05, 2017 at 07:53:51PM +0100, Michael Kerrisk (man-pages) wrote: > > +WARNING: cgroup2 doesn't yet support control of realtime processes and > > +the cpu controller can only be enabled when all RT processes are in > > +the root cgroup. Be aware that that system management software may

Re: [PATCH v2 cgroup/for-4.15-fixes] cgroup: add warning about RT not being supported on cgroup2

2017-12-05 Thread Michael Kerrisk (man-pages)
On 5 December 2017 at 19:29, Tejun Heo wrote: > From f0a821260f24ea9378ed0e0c149e3bbc1a1bd008 Mon Sep 17 00:00:00 2001 > From: Tejun Heo > Date: Tue, 5 Dec 2017 09:10:17 -0800 > > We haven't yet figured out what to do with RT threads on cgroup2. > Document the limitation. > > v2: Included the war

[PATCH v2 cgroup/for-4.15-fixes] cgroup: add warning about RT not being supported on cgroup2

2017-12-05 Thread Tejun Heo
>From f0a821260f24ea9378ed0e0c149e3bbc1a1bd008 Mon Sep 17 00:00:00 2001 From: Tejun Heo Date: Tue, 5 Dec 2017 09:10:17 -0800 We haven't yet figured out what to do with RT threads on cgroup2. Document the limitation. v2: Included the warning about system management software behavior as sugges