diff options
| author | Namhyung Kim <namhyung@kernel.org> | 2022-08-10 15:03:46 -0700 |
|---|---|---|
| committer | Peter Zijlstra <peterz@infradead.org> | 2022-08-19 19:47:51 +0200 |
| commit | 501f7f69bca195da266de83eb2c26c30813fba97 (patch) | |
| tree | 5ad7c6a8ed7060076e1713c9ad35b2d862906665 /kernel/locking/qspinlock.c | |
| parent | 9aeaf5bc4e30ec968ae660b865ed491a28daf500 (diff) | |
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/qspinlock.c')
| -rw-r--r-- | kernel/locking/qspinlock.c | 2 |
1 files changed, 1 insertions, 1 deletions
diff --git a/kernel/locking/qspinlock.c b/kernel/locking/qspinlock.c index 65a9a10caa6f..2b23378775fe 100644 --- a/kernel/locking/qspinlock.c +++ b/kernel/locking/qspinlock.c @@ -313,7 +313,7 @@ static __always_inline u32 __pv_wait_head_or_lock(struct qspinlock *lock, * contended : (*,x,y) +--> (*,0,0) ---> (*,0,1) -' : * queue : ^--' : */ -void queued_spin_lock_slowpath(struct qspinlock *lock, u32 val) +void __lockfunc queued_spin_lock_slowpath(struct qspinlock *lock, u32 val) { struct mcs_spinlock *prev, *next, *node; u32 old, tail; |