linux-kernel - Re: [PATCH AUTOSEL 5.17 29/43] signal, x86: Delay calling signals in atomic on RT enabled kernels

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Message-ID: <YkHjtMX9s/bA83OT@linutronix.de>
Date:   Mon, 28 Mar 2022 18:35:00 +0200
From:   Sebastian Andrzej Siewior <bigeasy@...utronix.de>
To:     "Eric W. Biederman" <ebiederm@...ssion.com>,
        Sasha Levin <sashal@...nel.org>
Cc:     linux-kernel@...r.kernel.org, stable@...r.kernel.org,
        Oleg Nesterov <oleg@...hat.com>,
        Steven Rostedt <rostedt@...dmis.org>,
        Thomas Gleixner <tglx@...utronix.de>, mingo@...hat.com,
        bp@...en8.de, dave.hansen@...ux.intel.com, x86@...nel.org,
        peterz@...radead.org, juri.lelli@...hat.com,
        vincent.guittot@...aro.org, luto@...nel.org, frederic@...nel.org,
        mark.rutland@....com, valentin.schneider@....com,
        keescook@...omium.org, elver@...gle.com, legion@...nel.org
Subject: Re: [PATCH AUTOSEL 5.17 29/43] signal, x86: Delay calling signals in
 atomic on RT enabled kernels

On 2022-03-28 09:31:51 [-0500], Eric W. Biederman wrote:
> 
> Thank you for cc'ing me.  You probably want to hold off on back-porting
> this patch.  The appropriate fix requires some more conversation.
> 
> At a mininum this patch should not be using TIF_NOTIFY_RESUME.

Sasha,

could you please drop this patch from the stable backports (5.15, 5.16, 5.17).

> Eric

Sebastian