linux-kernel - Re: [PATCH v3 09/11] ptrace: Don't change _

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Date:   Thu, 05 May 2022 11:48:34 -0500
From:   "Eric W. Biederman" <ebiederm@...ssion.com>
To:     Sebastian Andrzej Siewior <bigeasy@...utronix.de>
Cc:     linux-kernel@...r.kernel.org, rjw@...ysocki.net,
        Oleg Nesterov <oleg@...hat.com>, mingo@...nel.org,
        vincent.guittot@...aro.org, dietmar.eggemann@....com,
        rostedt@...dmis.org, mgorman@...e.de,
        Will Deacon <will@...nel.org>, tj@...nel.org,
        linux-pm@...r.kernel.org, Peter Zijlstra <peterz@...radead.org>,
        Richard Weinberger <richard@....at>,
        Anton Ivanov <anton.ivanov@...bridgegreys.com>,
        Johannes Berg <johannes@...solutions.net>,
        linux-um@...ts.infradead.org, Chris Zankel <chris@...kel.net>,
        Max Filippov <jcmvbkbc@...il.com>,
        linux-xtensa@...ux-xtensa.org, Kees Cook <keescook@...omium.org>,
        Jann Horn <jannh@...gle.com>, linux-ia64@...r.kernel.org
Subject: Re: [PATCH v3 09/11] ptrace: Don't change __state

Sebastian Andrzej Siewior <bigeasy@...utronix.de> writes:

> On 2022-05-04 17:40:56 [-0500], Eric W. Biederman wrote:
>> Stop playing with tsk->__state to remove TASK_WAKEKILL while a ptrace
>> command is executing.
>> 
>> Instead remove TASK_WAKEKILL from the definition of TASK_TRACED, and
>> implemention a new jobctl flag TASK_PTRACE_FROZEN.  This new flag is
> implement ?

Yes.  Thank you.

Eric