[tip: locking/core] locking: Add __sched to semaphore functions

From: tip-bot2 for Namhyung Kim
Date: Thu Sep 15 2022 - 10:23:54 EST


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

Commit-ID: 0d97db026509c1a13f732b22670ab1f0ac9d8d87
Gitweb: https://git.kernel.org/tip/0d97db026509c1a13f732b22670ab1f0ac9d8d87
Author: Namhyung Kim <namhyung@xxxxxxxxxx>
AuthorDate: Thu, 08 Sep 2022 17:08:03 -07:00
Committer: Peter Zijlstra <peterz@xxxxxxxxxxxxx>
CommitterDate: Thu, 15 Sep 2022 16:14:03 +02:00

locking: Add __sched to semaphore functions

The internal functions are marked with __sched already, let's do the same
for external functions too so that we can skip them in the stack trace.

Signed-off-by: Namhyung Kim <namhyung@xxxxxxxxxx>
Signed-off-by: Peter Zijlstra (Intel) <peterz@xxxxxxxxxxxxx>
Link: https://lkml.kernel.org/r/20220909000803.4181857-1-namhyung@xxxxxxxxxx
---
kernel/locking/semaphore.c | 12 ++++++------
1 file changed, 6 insertions(+), 6 deletions(-)

diff --git a/kernel/locking/semaphore.c b/kernel/locking/semaphore.c
index f2654d2..34bfae7 100644
--- a/kernel/locking/semaphore.c
+++ b/kernel/locking/semaphore.c
@@ -51,7 +51,7 @@ static noinline void __up(struct semaphore *sem);
* Use of this function is deprecated, please use down_interruptible() or
* down_killable() instead.
*/
-void down(struct semaphore *sem)
+void __sched down(struct semaphore *sem)
{
unsigned long flags;

@@ -74,7 +74,7 @@ EXPORT_SYMBOL(down);
* If the sleep is interrupted by a signal, this function will return -EINTR.
* If the semaphore is successfully acquired, this function returns 0.
*/
-int down_interruptible(struct semaphore *sem)
+int __sched down_interruptible(struct semaphore *sem)
{
unsigned long flags;
int result = 0;
@@ -101,7 +101,7 @@ EXPORT_SYMBOL(down_interruptible);
* -EINTR. If the semaphore is successfully acquired, this function returns
* 0.
*/
-int down_killable(struct semaphore *sem)
+int __sched down_killable(struct semaphore *sem)
{
unsigned long flags;
int result = 0;
@@ -131,7 +131,7 @@ EXPORT_SYMBOL(down_killable);
* Unlike mutex_trylock, this function can be used from interrupt context,
* and the semaphore can be released by any task or interrupt.
*/
-int down_trylock(struct semaphore *sem)
+int __sched down_trylock(struct semaphore *sem)
{
unsigned long flags;
int count;
@@ -156,7 +156,7 @@ EXPORT_SYMBOL(down_trylock);
* If the semaphore is not released within the specified number of jiffies,
* this function returns -ETIME. It returns 0 if the semaphore was acquired.
*/
-int down_timeout(struct semaphore *sem, long timeout)
+int __sched down_timeout(struct semaphore *sem, long timeout)
{
unsigned long flags;
int result = 0;
@@ -180,7 +180,7 @@ EXPORT_SYMBOL(down_timeout);
* Release the semaphore. Unlike mutexes, up() may be called from any
* context and even by tasks which have never called down().
*/
-void up(struct semaphore *sem)
+void __sched up(struct semaphore *sem)
{
unsigned long flags;