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authorJakub Kicinski <kuba@kernel.org>2025-06-12 10:08:24 -0700
committerJakub Kicinski <kuba@kernel.org>2025-08-29 11:48:01 -0700
commitd23ad54de795ec0054f90ecb03b41e8f2c410f3a (patch)
tree93ee9c1bfac4b54c567cc613039d4898cac04871 /kernel/sched/ext.c
parent29828b81a46a3ae55ebc053fce512219172560ba (diff)
parent9c736ace0666efe68efd53fcdfa2c6653c3e0e72 (diff)
Merge git://git.kernel.org/pub/scm/linux/kernel/git/netdev/net
Cross-merge networking fixes after downstream PR (net-6.17-rc4). No conflicts. Adjacent changes: drivers/net/ethernet/intel/idpf/idpf_txrx.c 02614eee26fb ("idpf: do not linearize big TSO packets") 6c4e68480238 ("idpf: remove obsolete stashing code") Signed-off-by: Jakub Kicinski <kuba@kernel.org>
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);