This is a note to let you know that I've just added the patch titled
drm/sched: Always increment correct scheduler score
to the 6.11-stable tree which can be found at:
http://www.kernel.org/git/?p=linux/kernel/git/stable/stable-queue.git;a=summary
The filename of the patch is:
drm-sched-always-increment-correct-scheduler-score.patch
and it can be found in the queue-6.11 subdirectory.
If you, or anyone else, feels it should not be added to the stable tree,
please let <[email protected]> know about it.
>From 087913e0ba2b3b9d7ccbafb2acf5dab9e35ae1d5 Mon Sep 17 00:00:00 2001
From: Tvrtko Ursulin <[email protected]>
Date: Tue, 24 Sep 2024 11:19:09 +0100
Subject: drm/sched: Always increment correct scheduler score
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From: Tvrtko Ursulin <[email protected]>
commit 087913e0ba2b3b9d7ccbafb2acf5dab9e35ae1d5 upstream.
Entities run queue can change during drm_sched_entity_push_job() so make
sure to update the score consistently.
Signed-off-by: Tvrtko Ursulin <[email protected]>
Fixes: d41a39dda140 ("drm/scheduler: improve job distribution with multiple
queues")
Cc: Nirmoy Das <[email protected]>
Cc: Christian König <[email protected]>
Cc: Luben Tuikov <[email protected]>
Cc: Matthew Brost <[email protected]>
Cc: David Airlie <[email protected]>
Cc: Daniel Vetter <[email protected]>
Cc: [email protected]
Cc: <[email protected]> # v5.9+
Reviewed-by: Christian König <[email protected]>
Reviewed-by: Nirmoy Das <[email protected]>
Link:
https://patchwork.freedesktop.org/patch/msgid/[email protected]
Signed-off-by: Christian König <[email protected]>
Signed-off-by: Greg Kroah-Hartman <[email protected]>
---
drivers/gpu/drm/scheduler/sched_entity.c | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)
--- a/drivers/gpu/drm/scheduler/sched_entity.c
+++ b/drivers/gpu/drm/scheduler/sched_entity.c
@@ -586,7 +586,6 @@ void drm_sched_entity_push_job(struct dr
ktime_t submit_ts;
trace_drm_sched_job(sched_job, entity);
- atomic_inc(entity->rq->sched->score);
WRITE_ONCE(entity->last_user, current->group_leader);
/*
@@ -614,6 +613,7 @@ void drm_sched_entity_push_job(struct dr
rq = entity->rq;
sched = rq->sched;
+ atomic_inc(sched->score);
drm_sched_rq_add_entity(rq, entity);
spin_unlock(&entity->rq_lock);
Patches currently in stable-queue which might be from [email protected]
are
queue-6.11/drm-sched-always-increment-correct-scheduler-score.patch
queue-6.11/drm-v3d-prevent-out-of-bounds-access-in-performance-query-extensions.patch
queue-6.11/drm-sched-always-wake-up-correct-scheduler-in-drm_sched_entity_push_job.patch
queue-6.11/drm-sched-add-locking-to-drm_sched_entity_modify_sched.patch
