linux-kernel - Re: [PATCH RFC 11/18] drm/scheduler: Clean up jobs when the scheduler is torn down

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Message-ID: <bcdc7432-5a1f-fed2-1512-a3759fee94dd@amd.com>
Date:   Wed, 8 Mar 2023 19:13:13 +0100
From:   Christian König <christian.koenig@....com>
To:     alyssa@...enzweig.io, Asahi Lina <lina@...hilina.net>,
        Maarten Lankhorst <maarten.lankhorst@...ux.intel.com>,
        Maxime Ripard <mripard@...nel.org>,
        Thomas Zimmermann <tzimmermann@...e.de>,
        David Airlie <airlied@...il.com>,
        Daniel Vetter <daniel@...ll.ch>,
        Miguel Ojeda <ojeda@...nel.org>,
        Alex Gaynor <alex.gaynor@...il.com>,
        Wedson Almeida Filho <wedsonaf@...il.com>,
        Boqun Feng <boqun.feng@...il.com>, Gary Guo <gary@...yguo.net>,
        Björn Roy Baron <bjorn3_gh@...tonmail.com>,
        Sumit Semwal <sumit.semwal@...aro.org>,
        Luben Tuikov <luben.tuikov@....com>,
        Jarkko Sakkinen <jarkko@...nel.org>,
        Dave Hansen <dave.hansen@...ux.intel.com>
Cc:     Karol Herbst <kherbst@...hat.com>,
        Ella Stanforth <ella@...unix.org>,
        Faith Ekstrand <faith.ekstrand@...labora.com>,
        Mary <mary@...y.zone>, linux-kernel@...r.kernel.org,
        dri-devel@...ts.freedesktop.org, rust-for-linux@...r.kernel.org,
        linux-media@...r.kernel.org, linaro-mm-sig@...ts.linaro.org,
        linux-sgx@...r.kernel.org, asahi@...ts.linux.dev
Subject: Re: [PATCH RFC 11/18] drm/scheduler: Clean up jobs when the scheduler
 is torn down

Am 08.03.23 um 18:39 schrieb alyssa@...enzweig.io:
>> You can't ask me for a list
>> of pending jobs (the scheduler knows this, it doesn't make any sense to
>> duplicate that outside)
> Silly question: could you add a new exported function to drm_sched to get the list of pending jobs, to be used by the Rust abstraction internally? IDK if that makes any sense.

I was thinking about something similar as well. The problem is that you 
could only use this function from the scheduler thread itself, e.g. from 
one of its callback functions.

Christian.