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authorThomas Zimmermann <tzimmermann@suse.de>2025-09-15 09:57:29 +0200
committerThomas Zimmermann <tzimmermann@suse.de>2025-09-15 09:57:29 +0200
commitf7d9c6a7f288328c32c45d9c8ac605b64f9261fd (patch)
treee4a09de70689bfedb3ac474d7833b4a5ff61c7d1 /kernel/sched/ext.c
parentc08c931060c7e44452e635e115913dd88214848c (diff)
parent0d9f0083f7a5a31d91d501467b499bb8c4b25bdf (diff)
Merge drm/drm-next into drm-misc-next
Backmerging to drm-misc-next to get fixes from v6.17-rc6. Signed-off-by: Thomas Zimmermann <tzimmermann@suse.de>
Diffstat (limited to 'kernel/sched/ext.c')
-rw-r--r--kernel/sched/ext.c4
1 files changed, 4 insertions, 0 deletions
diff --git a/kernel/sched/ext.c b/kernel/sched/ext.c
index 7dedc9a16281..4ae32ef179dd 100644
--- a/kernel/sched/ext.c
+++ b/kernel/sched/ext.c
@@ -5749,6 +5749,9 @@ static int scx_enable(struct sched_ext_ops *ops, struct bpf_link *link)
__setscheduler_class(p->policy, p->prio);
struct sched_enq_and_set_ctx ctx;
+ if (!tryget_task_struct(p))
+ continue;
+
if (old_class != new_class && p->se.sched_delayed)
dequeue_task(task_rq(p), p, DEQUEUE_SLEEP | DEQUEUE_DELAYED);
@@ -5761,6 +5764,7 @@ static int scx_enable(struct sched_ext_ops *ops, struct bpf_link *link)
sched_enq_and_set_task(&ctx);
check_class_changed(task_rq(p), p, old_class, p->prio);
+ put_task_struct(p);
}
scx_task_iter_stop(&sti);
percpu_up_write(&scx_fork_rwsem);