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

Commit-ID:     2ad9b46d0a53bcadf2092626fcfd2d96e9b22001
Gitweb:        https://git.kernel.org/tip/2ad9b46d0a53bcadf2092626fcfd2d96e9b22001
Author:        Xie Yuanbin <qq570070308@gmail.com>
AuthorDate:    Tue, 17 Feb 2026 00:49:49 +08:00
Committer:     Peter Zijlstra <peterz@infradead.org>
CommitterDate: Mon, 02 Mar 2026 15:41:01 +01:00

sched: Make raw_spin_rq_unlock() inline

raw_spin_rq_unlock() is short, and is called in some hot code paths
such as finish_lock_switch.

Make raw_spin_rq_unlock() inline to optimize performance.

Signed-off-by: Xie Yuanbin <qq570070308@gmail.com>
Signed-off-by: Peter Zijlstra (Intel) <peterz@infradead.org>
Link: https://patch.msgid.link/20260216164950.147617-3-qq570070308@gmail.com
---
 kernel/sched/core.c  |  5 -----
 kernel/sched/sched.h |  9 ++++++---
 2 files changed, 6 insertions(+), 8 deletions(-)

diff --git a/kernel/sched/core.c b/kernel/sched/core.c
index 1e6ebc2..c39e9b4 100644
--- a/kernel/sched/core.c
+++ b/kernel/sched/core.c
@@ -687,11 +687,6 @@ bool raw_spin_rq_trylock(struct rq *rq)
 	}
 }
 
-void raw_spin_rq_unlock(struct rq *rq)
-{
-	raw_spin_unlock(rq_lockp(rq));
-}
-
 /*
  * double_rq_lock - safely lock two runqueues
  */
diff --git a/kernel/sched/sched.h b/kernel/sched/sched.h
index fbde83c..fd36ae3 100644
--- a/kernel/sched/sched.h
+++ b/kernel/sched/sched.h
@@ -1609,15 +1609,18 @@ extern void raw_spin_rq_lock_nested(struct rq *rq, int subclass)
 extern bool raw_spin_rq_trylock(struct rq *rq)
 	__cond_acquires(true, __rq_lockp(rq));
 
-extern void raw_spin_rq_unlock(struct rq *rq)
-	__releases(__rq_lockp(rq));
-
 static inline void raw_spin_rq_lock(struct rq *rq)
 	__acquires(__rq_lockp(rq))
 {
 	raw_spin_rq_lock_nested(rq, 0);
 }
 
+static inline void raw_spin_rq_unlock(struct rq *rq)
+	__releases(__rq_lockp(rq))
+{
+	raw_spin_unlock(rq_lockp(rq));
+}
+
 static inline void raw_spin_rq_lock_irq(struct rq *rq)
 	__acquires(__rq_lockp(rq))
 {