From e28b5f8bda01720b5ce8456b48cf4b963f9a80a1 Mon Sep 17 00:00:00 2001 From: Peter Zijlstra Date: Thu, 23 May 2024 11:00:10 +0200 Subject: [PATCH] sched/fair: Assert {set_next,put_prev}_entity() are properly balanced Just a little sanity test.. Signed-off-by: Peter Zijlstra (Intel) Reviewed-by: Valentin Schneider Tested-by: Valentin Schneider Link: https://lkml.kernel.org/r/20240727105029.486423066@infradead.org --- kernel/sched/fair.c | 2 ++ 1 file changed, 2 insertions(+) diff --git a/kernel/sched/fair.c b/kernel/sched/fair.c index 59b00d78d456e..37acd530f413f 100644 --- a/kernel/sched/fair.c +++ b/kernel/sched/fair.c @@ -5452,6 +5452,7 @@ set_next_entity(struct cfs_rq *cfs_rq, struct sched_entity *se) } update_stats_curr_start(cfs_rq, se); + SCHED_WARN_ON(cfs_rq->curr); cfs_rq->curr = se; /* @@ -5513,6 +5514,7 @@ static void put_prev_entity(struct cfs_rq *cfs_rq, struct sched_entity *prev) /* in !on_rq case, update occurred at dequeue */ update_load_avg(cfs_rq, prev, 0); } + SCHED_WARN_ON(cfs_rq->curr != prev); cfs_rq->curr = NULL; } -- 2.47.2