[Lima] [PATCH] drm/scheduler: Fix job cleanup without timeout handler

Erico Nunes nunes.erico at gmail.com
Mon May 20 22:58:16 UTC 2019


On Tue, May 21, 2019 at 12:51 AM Erico Nunes <nunes.erico at gmail.com> wrote:
>
> After "5918045c4ed4 drm/scheduler: rework job destruction", jobs are
> only deleted when the timeout handler is able to be cancelled
> successfully.
>
> In case no timeout handler is running (timeout == MAX_SCHEDULE_TIMEOUT),
> job cleanup would be skipped which may result in memory leaks.
>
> Add the handling for the (timeout == MAX_SCHEDULE_TIMEOUT) case in
> drm_sched_cleanup_jobs.
>
> Signed-off-by: Erico Nunes <nunes.erico at gmail.com>
> Cc: Christian König <christian.koenig at amd.com>
> ---
>  drivers/gpu/drm/scheduler/sched_main.c | 3 ++-
>  1 file changed, 2 insertions(+), 1 deletion(-)
>
> diff --git a/drivers/gpu/drm/scheduler/sched_main.c b/drivers/gpu/drm/scheduler/sched_main.c
> index f8f0e1c19002..07ecaba15127 100644
> --- a/drivers/gpu/drm/scheduler/sched_main.c
> +++ b/drivers/gpu/drm/scheduler/sched_main.c
> @@ -630,7 +630,8 @@ static void drm_sched_cleanup_jobs(struct drm_gpu_scheduler *sched)
>         unsigned long flags;
>
>         /* Don't destroy jobs while the timeout worker is running */
> -       if (!cancel_delayed_work(&sched->work_tdr))
> +       if (sched->timeout != MAX_SCHEDULE_TIMEOUT &&
> +           cancel_delayed_work(&sched->work_tdr))
>                 return;

Nevermind this one, there is a typo. I'll resend.


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