linux-kernel - Re: [PATCH 03/16] kdb: Use real_parent when displaying a list of processes

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Message-ID: <87wneh2y8x.fsf@email.froward.int.ebiederm.org>
Date:   Thu, 19 May 2022 13:06:22 -0500
From:   "Eric W. Biederman" <ebiederm@...ssion.com>
To:     Peter Zijlstra <peterz@...radead.org>
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, bigeasy@...utronix.de,
        Will Deacon <will@...nel.org>, tj@...nel.org,
        linux-pm@...r.kernel.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,
        Robert OCallahan <roc@...nos.co>, Kyle Huey <khuey@...nos.co>,
        Richard Henderson <rth@...ddle.net>,
        Ivan Kokshaysky <ink@...assic.park.msu.ru>,
        Matt Turner <mattst88@...il.com>,
        Jason Wessel <jason.wessel@...driver.com>,
        Daniel Thompson <daniel.thompson@...aro.org>,
        Douglas Anderson <dianders@...omium.org>,
        Douglas Miller <dougmill@...ux.vnet.ibm.com>,
        Michael Ellerman <mpe@...erman.id.au>,
        Benjamin Herrenschmidt <benh@...nel.crashing.org>,
        Paul Mackerras <paulus@...ba.org>
Subject: Re: [PATCH 03/16] kdb: Use real_parent when displaying a list of
 processes

Peter Zijlstra <peterz@...radead.org> writes:

> On Wed, May 18, 2022 at 05:53:42PM -0500, Eric W. Biederman wrote:
>> kdb has a bug that when using the ps command to display a list of
>> processes, if a process is being debugged the debugger as the parent
>> process.
>> 
>> This is silly, and I expect it never comes up in ptractice.  As there
>                                                    ^^^^^^^^^
>
> Lol, love the new word :-)

It wasn't intentional but now I just might have to keep it.

Eric