[tip: sched/core] sched: deadline: Cleanup goto label in pick_earliest_pushable_dl_task

tip-bot2 for John Stultz
2024-12-13T12:06:01Z

The following commit has been merged into the sched/core branch of tip:

Commit-ID: 7675361ff9a1d9038025c05267600d0c762c0236
Gitweb: https://git.kernel.org/tip/7675361ff9a1d9038025c05267600d0c762c0236
Author: John Stultz <jstultz@google.com>
AuthorDate: Thu, 05 Dec 2024 15:59:35 -08:00
Committer: Peter Zijlstra <peterz@infradead.org>
CommitterDate: Tue, 10 Dec 2024 15:07:06 +01:00

sched: deadline: Cleanup goto label in pick_earliest_pushable_dl_task

Commit 8b5e770ed7c0 ("sched/deadline: Optimize pull_dl_task()")
added a goto label seems would be better written as a while
loop.

So replace the goto with a while loop, to make it easier to read.

Reported-by: Todd Kjos <tkjos@google.com>
Signed-off-by: John Stultz <jstultz@google.com>
Reviewed-and-tested-by: K Prateek Nayak <kprateek.nayak@amd.com>
Signed-off-by: Peter Zijlstra (Intel) <peterz@infradead.org>
Acked-by: Juri Lelli <juri.lelli@redhat.com>
Link: https://lore.kernel.org/r/20241206000009.1226085-1-jstultz@google.com
---
kernel/sched/deadline.c | 5 +----
1 file changed, 1 insertion(+), 4 deletions(-)

diff --git a/kernel/sched/deadline.c b/kernel/sched/deadline.c
index 33b4646..643d101 100644
--- a/kernel/sched/deadline.c
+++ b/kernel/sched/deadline.c
@@ -2516,16 +2516,13 @@ static struct task_struct *pick_earliest_pushable_dl_task(struct rq *rq, int cpu
return NULL;

next_node = rb_first_cached(&rq->dl.pushable_dl_tasks_root);
-
-next_node:
- if (next_node) {
+ while (next_node) {
p = __node_2_pdl(next_node);

if (task_is_pushable(rq, p, cpu))
return p;

next_node = rb_next(next_node);
- goto next_node;
}

return NULL;