Re: [PATCH v3 4/9] cgroup/cpuset: Enable event notification when partition become invalid

From: Tejun Heo
Date: Mon Jul 26 2021 - 19:14:19 EST


On Tue, Jul 20, 2021 at 10:18:29AM -0400, Waiman Long wrote:
> +static inline void notify_partition_change(struct cpuset *cs,
> + int old_prs, int new_prs)
> +{
> + if ((old_prs == new_prs) ||
> + ((old_prs != PRS_ERROR) && (new_prs != PRS_ERROR)))
> + return;
> + cgroup_file_notify(&cs->partition_file);

I'd generate an event on any state changes. The user have to read the file
to find out what happened anyway.

Thanks.

--
tejun