linux-kernel - Re: [PATCH] exec: do not call sched_mm_cid_after

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Message-ID: <aUx-0YAA7QyjUbka@ndev>
Date: Thu, 25 Dec 2025 08:01:33 +0800
From: Jinchao Wang <wangjinchao600@...il.com>
To: Mathieu Desnoyers <mathieu.desnoyers@...icios.com>
Cc: Alexander Viro <viro@...iv.linux.org.uk>,
	Christian Brauner <brauner@...nel.org>, Jan Kara <jack@...e.cz>,
	Kees Cook <kees@...nel.org>, linux-fsdevel@...r.kernel.org,
	linux-mm@...ck.org, linux-kernel@...r.kernel.org,
	Thomas Gleixner <tglx@...utronix.de>
Subject: Re: [PATCH] exec: do not call sched_mm_cid_after_execve() on exec
 fail

On Wed, Dec 24, 2025 at 08:52:16AM -0500, Mathieu Desnoyers wrote:
> On 2025-12-24 07:10, Jinchao Wang wrote:
> > On Thu, Dec 18, 2025 at 11:23:23AM +0800, Jinchao Wang wrote:
> > 
> > Hi, mathieu
> > 
> > Please review this patch for mm_cid.
> 
> Nack. Your fix lacks context and removes a needed call in the
> common case to fix what I understand to be a init task issue.
> 
> See this patch instead which addresses an issue very similar to
> yours removing the relevant sched_mm_cid_after_exec() call:
> 
> https://lore.kernel.org/lkml/20251223215113.639686-1-xiyou.wangcong@gmail.com/

Yes, they are same issue and this patch works.
Thanks.

> 
> I added Thomas Gleixner in CC.
> 
> Thanks,
> 
> Mathieu
> 
> -- 
> Mathieu Desnoyers
> EfficiOS Inc.
> https://www.efficios.com