Re: [PATCH 4/4] nohz: Set isolcpus when nohz_full is set

Rik van Riel
2015-05-18T02:18:34Z

On 05/17/2015 01:30 AM, Mike Galbraith wrote:

> Given that kernel initiated association to isolcpus, a user turning
> NO_HZ_FULL_ALL on had better not have much generic load to manage. If
> he/she does not have CPUSETS enabled, or should Rik's patch rendering
> isolcpus immutable be merged,

My patch does not aim to make isolcpus immutable, it aims to make
isolcpus resistent to system management tools (like libvirt)
automatically undoing isolcpus the instant a cpuset with the default
cpus (inherited from the root group) is created.

--
All rights reversed