Re: [patch V3 14/20] sched/mmcid: Serialize sched_mm_cid_fork()/exit() with a mutex

From: Mathieu Desnoyers

Date: Thu Oct 30 2025 - 10:25:41 EST


On 2025-10-29 09:09, Thomas Gleixner wrote:
Prepare for the new CID management scheme which puts the CID ownership
transition into the fork() and exit() slow path by serializing
sched_mm_cid_fork()/exit() with it, so task list and cpu mask walks can be
done in interruptible and preemptible code.

Reviewed-by: Mathieu Desnoyers <mathieu.desnoyers@xxxxxxxxxxxx>

--
Mathieu Desnoyers
EfficiOS Inc.
https://www.efficios.com