diff --git a/kernel/sched/deadline.c b/kernel/sched/deadline.c index 19b1a8b81c76..d3be71d5a9cc 100644 --- a/kernel/sched/deadline.c +++ b/kernel/sched/deadline.c @@ -2143,7 +2143,7 @@ static void yield_task_dl(struct rq *rq) * it and the bandwidth timer will wake it up and will give it * new scheduling parameters (thanks to dl_yielded=1). */ - rq->curr->dl.dl_yielded = 1; + rq->donor->dl.dl_yielded = 1; update_rq_clock(rq); update_curr_dl(rq); diff --git a/kernel/sched/ext.c b/kernel/sched/ext.c index b959a70471c1..907eea83294c 100644 --- a/kernel/sched/ext.c +++ b/kernel/sched/ext.c @@ -1493,7 +1493,7 @@ static bool dequeue_task_scx(struct rq *rq, struct task_struct *p, int deq_flags static void yield_task_scx(struct rq *rq) { struct scx_sched *sch = scx_root; - struct task_struct *p = rq->curr; + struct task_struct *p = rq->donor; if (SCX_HAS_OP(sch, yield)) SCX_CALL_OP_2TASKS_RET(sch, SCX_KF_REST, yield, rq, p, NULL); @@ -1504,7 +1504,7 @@ static void yield_task_scx(struct rq *rq) static bool yield_to_task_scx(struct rq *rq, struct task_struct *to) { struct scx_sched *sch = scx_root; - struct task_struct *from = rq->curr; + struct task_struct *from = rq->donor; if (SCX_HAS_OP(sch, yield)) return SCX_CALL_OP_2TASKS_RET(sch, SCX_KF_REST, yield, rq, diff --git a/kernel/sched/fair.c b/kernel/sched/fair.c index 967ca52fb231..5c965666d166 100644 --- a/kernel/sched/fair.c +++ b/kernel/sched/fair.c @@ -8993,7 +8993,7 @@ static void put_prev_task_fair(struct rq *rq, struct task_struct *prev, struct t */ static void yield_task_fair(struct rq *rq) { - struct task_struct *curr = rq->curr; + struct task_struct *curr = rq->donor; struct cfs_rq *cfs_rq = task_cfs_rq(curr); struct sched_entity *se = &curr->se; diff --git a/kernel/sched/rt.c b/kernel/sched/rt.c index 7936d4333731..fb07dcfc60a2 100644 --- a/kernel/sched/rt.c +++ b/kernel/sched/rt.c @@ -1490,7 +1490,7 @@ static void requeue_task_rt(struct rq *rq, struct task_struct *p, int head) static void yield_task_rt(struct rq *rq) { - requeue_task_rt(rq, rq->curr, 0); + requeue_task_rt(rq, rq->donor, 0); } static int find_lowest_rq(struct task_struct *task); diff --git a/kernel/sched/syscalls.c b/kernel/sched/syscalls.c index 77ae87f36e84..bf360a6fbb80 100644 --- a/kernel/sched/syscalls.c +++ b/kernel/sched/syscalls.c @@ -1351,7 +1351,7 @@ static void do_sched_yield(void) rq = this_rq_lock_irq(&rf); schedstat_inc(rq->yld_count); - current->sched_class->yield_task(rq); + rq->donor->sched_class->yield_task(rq); preempt_disable(); rq_unlock_irq(rq, &rf); @@ -1420,12 +1420,13 @@ EXPORT_SYMBOL(yield); */ int __sched yield_to(struct task_struct *p, bool preempt) { - struct task_struct *curr = current; + struct task_struct *curr; struct rq *rq, *p_rq; int yielded = 0; scoped_guard (raw_spinlock_irqsave, &p->pi_lock) { rq = this_rq(); + curr = rq->donor; again: p_rq = task_rq(p);