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Message-ID: <166325182156.401.3796755990517584127.tip-bot2@tip-bot2>
Date: Thu, 15 Sep 2022 14:23:41 -0000
From: "tip-bot2 for Namhyung Kim" <tip-bot2@...utronix.de>
To: linux-tip-commits@...r.kernel.org
Cc: Namhyung Kim <namhyung@...nel.org>,
"Peter Zijlstra (Intel)" <peterz@...radead.org>, x86@...nel.org,
linux-kernel@...r.kernel.org
Subject: [tip: locking/core] locking: Add __sched to semaphore functions
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@...nel.org>
AuthorDate: Thu, 08 Sep 2022 17:08:03 -07:00
Committer: Peter Zijlstra <peterz@...radead.org>
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@...nel.org>
Signed-off-by: Peter Zijlstra (Intel) <peterz@...radead.org>
Link: https://lkml.kernel.org/r/20220909000803.4181857-1-namhyung@kernel.org
---
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;
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