[tip: sched/core] sched/headers: Rename rcu_dereference_check_sched_domain() => rcu_dereference_sched_domain()

From: tip-bot2 for Peter Zijlstra

Date: Sun Dec 14 2025 - 02:46:49 EST


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

Commit-ID: f24165bfa7ef6b37856c8f51e2001b9ad10ba688
Gitweb: https://git.kernel.org/tip/f24165bfa7ef6b37856c8f51e2001b9ad10ba688
Author: Peter Zijlstra <peterz@xxxxxxxxxxxxx>
AuthorDate: Fri, 28 Nov 2025 13:31:36 +01:00
Committer: Ingo Molnar <mingo@xxxxxxxxxx>
CommitterDate: Sun, 14 Dec 2025 08:25:02 +01:00

sched/headers: Rename rcu_dereference_check_sched_domain() => rcu_dereference_sched_domain()

Remove check from the name for being surplus to requirements.

Signed-off-by: Peter Zijlstra (Intel) <peterz@xxxxxxxxxxxxx>
Signed-off-by: Ingo Molnar <mingo@xxxxxxxxxx>
---
kernel/sched/fair.c | 2 +-
kernel/sched/sched.h | 4 ++--
2 files changed, 3 insertions(+), 3 deletions(-)

diff --git a/kernel/sched/fair.c b/kernel/sched/fair.c
index 708ad01..74a0550 100644
--- a/kernel/sched/fair.c
+++ b/kernel/sched/fair.c
@@ -12857,7 +12857,7 @@ static int sched_balance_newidle(struct rq *this_rq, struct rq_flags *rf)
rq_unpin_lock(this_rq, rf);

rcu_read_lock();
- sd = rcu_dereference_check_sched_domain(this_rq->sd);
+ sd = rcu_dereference_sched_domain(this_rq->sd);
if (!sd) {
rcu_read_unlock();
goto out;
diff --git a/kernel/sched/sched.h b/kernel/sched/sched.h
index d30cca6..2c0a4ea 100644
--- a/kernel/sched/sched.h
+++ b/kernel/sched/sched.h
@@ -2010,7 +2010,7 @@ queue_balance_callback(struct rq *rq,
rq->balance_callback = head;
}

-#define rcu_dereference_check_sched_domain(p) \
+#define rcu_dereference_sched_domain(p) \
rcu_dereference_check((p), lockdep_is_held(&sched_domains_mutex))

/*
@@ -2021,7 +2021,7 @@ queue_balance_callback(struct rq *rq,
* preempt-disabled sections.
*/
#define for_each_domain(cpu, __sd) \
- for (__sd = rcu_dereference_check_sched_domain(cpu_rq(cpu)->sd); \
+ for (__sd = rcu_dereference_sched_domain(cpu_rq(cpu)->sd); \
__sd; __sd = __sd->parent)

/* A mask of all the SD flags that have the SDF_SHARED_CHILD metaflag */