diff options
Diffstat (limited to 'kernel/sched')
| -rw-r--r-- | kernel/sched/ext.c | 31 |
1 files changed, 14 insertions, 17 deletions
diff --git a/kernel/sched/ext.c b/kernel/sched/ext.c index fc16b94d06a2..baed98c0ceb3 100644 --- a/kernel/sched/ext.c +++ b/kernel/sched/ext.c @@ -2172,6 +2172,20 @@ static bool yield_to_task_scx(struct rq *rq, struct task_struct *to) return false; } +static void consume_local_task(struct task_struct *p, + struct scx_dispatch_q *dsq, struct rq *rq) +{ + lockdep_assert_held(&dsq->lock); /* released on return */ + + /* @dsq is locked and @p is on this rq */ + WARN_ON_ONCE(p->scx.holding_cpu >= 0); + task_unlink_from_dsq(p, dsq); + list_add_tail(&p->scx.dsq_list.node, &rq->scx.local_dsq.list); + dsq_mod_nr(&rq->scx.local_dsq, 1); + p->scx.dsq = &rq->scx.local_dsq; + raw_spin_unlock(&dsq->lock); +} + #ifdef CONFIG_SMP /** * move_task_to_local_dsq - Move a task from a different rq to a local DSQ @@ -2207,23 +2221,6 @@ static void move_task_to_local_dsq(struct task_struct *p, u64 enq_flags, dst_rq->scx.extra_enq_flags = 0; } -#endif /* CONFIG_SMP */ - -static void consume_local_task(struct task_struct *p, - struct scx_dispatch_q *dsq, struct rq *rq) -{ - lockdep_assert_held(&dsq->lock); /* released on return */ - - /* @dsq is locked and @p is on this rq */ - WARN_ON_ONCE(p->scx.holding_cpu >= 0); - task_unlink_from_dsq(p, dsq); - list_add_tail(&p->scx.dsq_list.node, &rq->scx.local_dsq.list); - dsq_mod_nr(&rq->scx.local_dsq, 1); - p->scx.dsq = &rq->scx.local_dsq; - raw_spin_unlock(&dsq->lock); -} - -#ifdef CONFIG_SMP /* * Similar to kernel/sched/core.c::is_cpu_allowed(). However, there are two * differences: |