linux-kernel - Re: [PATCH v3 0/2] drm: Add GPU reset sysfs

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Message-ID: <584UdQAqoPr4vSxCTJg70LFQm--HpHH-EhnAo78lRAZ89OnrDkUeKlTnDGT_DMzDT3PeEtmXNsrqB6GuiV4TsZv3pBU8kFWjyPLWGrevIMw=@emersion.fr>
Date:   Mon, 28 Nov 2022 09:30:09 +0000
From:   Simon Ser <contact@...rsion.fr>
To:     Pekka Paalanen <ppaalanen@...il.com>
Cc:     André Almeida <andrealmeid@...lia.com>,
        dri-devel@...ts.freedesktop.org, amd-gfx@...ts.freedesktop.org,
        linux-kernel@...r.kernel.org, kernel-dev@...lia.com,
        alexander.deucher@....com, contactshashanksharma@...il.com,
        amaranath.somalapuram@....com, christian.koenig@....com,
        pierre-eric.pelloux-prayer@....com,
        Rob Clark <robdclark@...il.com>,
        Andrey Grodzovsky <andrey.grodzovsky@....com>,
        Daniel Vetter <daniel@...ll.ch>,
        Daniel Stone <daniel@...ishbar.org>,
        'Marek Olšák' <maraeo@...il.com>,
        Dave Airlie <airlied@...il.com>,
        "Pierre-Loup A . Griffais" <pgriffais@...vesoftware.com>
Subject: Re: [PATCH v3 0/2] drm: Add GPU reset sysfs

The PID is racy, the user-space daemon could end up killing an
unrelated process… Is there any way we could use a pidfd instead?