Re: [PATCH v2] irq_work: Fix use-after-free in irq_work_single on PREEMPT_RT

From: Sebastian Andrzej Siewior

Date: Fri Jun 05 2026 - 06:49:22 EST


On 2026-06-05 18:31:41 [+0800], Xi Ruoyao wrote:
> Hi,
>
> This commit significantly slows down execve() (and perhaps other things)
> on MIPS. A very simple program:

This is probably originating from sched_mm_cid_exit(). Can you check?

Sebastian