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authorNamhyung Kim <namhyung@kernel.org>2022-08-10 15:03:46 -0700
committerPeter Zijlstra <peterz@infradead.org>2022-08-19 19:47:51 +0200
commit501f7f69bca195da266de83eb2c26c30813fba97 (patch)
tree5ad7c6a8ed7060076e1713c9ad35b2d862906665 /kernel/locking/qrwlock.c
parent9aeaf5bc4e30ec968ae660b865ed491a28daf500 (diff)
downloadlinux-501f7f69bca195da266de83eb2c26c30813fba97.tar.bz2
locking: Add __lockfunc to slow path functions
So that we can skip the functions in the perf lock contention and other places like /proc/PID/wchan. Signed-off-by: Namhyung Kim <namhyung@kernel.org> Signed-off-by: Peter Zijlstra (Intel) <peterz@infradead.org> Acked-by: Waiman Long <longman@redhat.com> Link: https://lore.kernel.org/r/20220810220346.1919485-1-namhyung@kernel.org
Diffstat (limited to 'kernel/locking/qrwlock.c')
-rw-r--r--kernel/locking/qrwlock.c4
1 files changed, 2 insertions, 2 deletions
diff --git a/kernel/locking/qrwlock.c b/kernel/locking/qrwlock.c
index 2e1600906c9f..d2ef312a8611 100644
--- a/kernel/locking/qrwlock.c
+++ b/kernel/locking/qrwlock.c
@@ -18,7 +18,7 @@
* queued_read_lock_slowpath - acquire read lock of a queued rwlock
* @lock: Pointer to queued rwlock structure
*/
-void queued_read_lock_slowpath(struct qrwlock *lock)
+void __lockfunc queued_read_lock_slowpath(struct qrwlock *lock)
{
/*
* Readers come here when they cannot get the lock without waiting
@@ -63,7 +63,7 @@ EXPORT_SYMBOL(queued_read_lock_slowpath);
* queued_write_lock_slowpath - acquire write lock of a queued rwlock
* @lock : Pointer to queued rwlock structure
*/
-void queued_write_lock_slowpath(struct qrwlock *lock)
+void __lockfunc queued_write_lock_slowpath(struct qrwlock *lock)
{
int cnts;