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Date:   Thu, 28 Apr 2022 15:54:25 +0200
From:   Peter Zijlstra <peterz@infradead.org>
To:     Oleg Nesterov <oleg@redhat.com>
Cc:     "Eric W. Biederman" <ebiederm@xmission.com>,
        linux-kernel@vger.kernel.org, rjw@rjwysocki.net, mingo@kernel.org,
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        Will Deacon <will@kernel.org>, tj@kernel.org,
        linux-pm@vger.kernel.org, Richard Weinberger <richard@nod.at>,
        Anton Ivanov <anton.ivanov@cambridgegreys.com>,
        Johannes Berg <johannes@sipsolutions.net>,
        linux-um@lists.infradead.org, Chris Zankel <chris@zankel.net>,
        Max Filippov <jcmvbkbc@gmail.com>,
        inux-xtensa@linux-xtensa.org, Kees Cook <keescook@chromium.org>,
        Jann Horn <jannh@google.com>
Subject: Re: [PATCH 7/9] ptrace: Simplify the wait_task_inactive call in
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On Thu, Apr 28, 2022 at 01:19:11PM +0200, Oleg Nesterov wrote:
> > That is also the reason I couldn't do wait_task_inactive(task, 0)
> 
> Ah, I din't notice this patch uses wait_task_inactive(child, 0),
> I think it should do wait_task_inactive(child, __TASK_TRACED).

Shouldn't we then switch wait_task_inactive() so have & matching instead
of the current ==.