diff options
| -rw-r--r-- | kernel/sched/ext.c | 6 |
1 files changed, 5 insertions, 1 deletions
diff --git a/kernel/sched/ext.c b/kernel/sched/ext.c index debcd1cf2de9..db5bc4d57dba 100644 --- a/kernel/sched/ext.c +++ b/kernel/sched/ext.c @@ -6621,8 +6621,12 @@ __bpf_kfunc u32 scx_bpf_reenqueue_local(void) * CPUs disagree, they use %ENQUEUE_RESTORE which is bypassed to * the current local DSQ for running tasks and thus are not * visible to the BPF scheduler. + * + * Also skip re-enqueueing tasks that can only run on this + * CPU, as they would just be re-added to the same local + * DSQ without any benefit. */ - if (p->migration_pending) + if (p->migration_pending || is_migration_disabled(p) || p->nr_cpus_allowed == 1) continue; dispatch_dequeue(rq, p); |