linux-kernel - Re: [patch V4 11/20] signal: Move MMCID exit out of sighand lock

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Message-ID: <4a8a883a-110d-4718-8334-c202b1a2cfb0@efficios.com>
Date: Mon, 17 Nov 2025 11:53:08 -0500
From: Mathieu Desnoyers <mathieu.desnoyers@...icios.com>
To: Thomas Gleixner <tglx@...utronix.de>, LKML <linux-kernel@...r.kernel.org>
Cc: Peter Zijlstra <peterz@...radead.org>,
 Gabriele Monaco <gmonaco@...hat.com>, Michael Jeanson
 <mjeanson@...icios.com>, Jens Axboe <axboe@...nel.dk>,
 "Paul E. McKenney" <paulmck@...nel.org>,
 "Gautham R. Shenoy" <gautham.shenoy@....com>,
 Florian Weimer <fweimer@...hat.com>, Tim Chen <tim.c.chen@...el.com>,
 Yury Norov <yury.norov@...il.com>, Shrikanth Hegde <sshegde@...ux.ibm.com>
Subject: Re: [patch V4 11/20] signal: Move MMCID exit out of sighand lock

On 2025-11-16 15:48, Thomas Gleixner wrote:
> There is no need anymore to keep this under sighand lock as the current
> code and the upcoming replacement are not depending on the exit state of a
> task anymore.
> 
> That allows to use a mutex in the exit path.
> 
> Signed-off-by: Thomas Gleixner <tglx@...utronix.de>

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

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