linux-kernel - Re: [PATCH v2] ptrace: fix ptrace vs tasklist_lock race on PREEMPT

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Message-ID: <YlVprihb7pLtrRcF@hirez.programming.kicks-ass.net>
Date:   Tue, 12 Apr 2022 13:59:42 +0200
From:   Peter Zijlstra <peterz@...radead.org>
To:     "Eric W. Biederman" <ebiederm@...ssion.com>
Cc:     Oleg Nesterov <oleg@...hat.com>,
        Sebastian Andrzej Siewior <bigeasy@...utronix.de>,
        linux-kernel@...r.kernel.org, Ben Segall <bsegall@...gle.com>,
        Daniel Bristot de Oliveira <bristot@...hat.com>,
        Dietmar Eggemann <dietmar.eggemann@....com>,
        Ingo Molnar <mingo@...hat.com>,
        Juri Lelli <juri.lelli@...hat.com>,
        Mel Gorman <mgorman@...e.de>,
        Steven Rostedt <rostedt@...dmis.org>,
        Thomas Gleixner <tglx@...utronix.de>,
        Vincent Guittot <vincent.guittot@...aro.org>
Subject: Re: [PATCH v2] ptrace: fix ptrace vs tasklist_lock race on
 PREEMPT_RT.


For all who I forgot on the Cc list.. continued here:

  https://lkml.kernel.org/r/20220412114421.691372568@infradead.org

(once it shows up, the web seems congested just now)