locking/mutex: Checking the stamp is WW only
Mark it so by renaming __mutex_lock_check_stamp().
Signed-off-by: Davidlohr Bueso <dbueso@suse.de>
Signed-off-by: Peter Zijlstra (Intel) <peterz@infradead.org>
Cc: "Paul E. McKenney" <paulmck@linux.vnet.ibm.com>
Cc: Thomas Gleixner <tglx@linutronix.de>
Cc: Linus Torvalds <torvalds@linux-foundation.org>
Link: http://lkml.kernel.org/r/1420573509-24774-2-git-send-email-dave@stgolabs.net
Signed-off-by: Ingo Molnar <mingo@kernel.org>
diff --git a/kernel/locking/mutex.c b/kernel/locking/mutex.c
index 4541951..b042ea5 100644
--- a/kernel/locking/mutex.c
+++ b/kernel/locking/mutex.c
@@ -469,7 +469,7 @@
EXPORT_SYMBOL(ww_mutex_unlock);
static inline int __sched
-__mutex_lock_check_stamp(struct mutex *lock, struct ww_acquire_ctx *ctx)
+__ww_mutex_lock_check_stamp(struct mutex *lock, struct ww_acquire_ctx *ctx)
{
struct ww_mutex *ww = container_of(lock, struct ww_mutex, base);
struct ww_acquire_ctx *hold_ctx = ACCESS_ONCE(ww->ctx);
@@ -557,7 +557,7 @@
}
if (use_ww_ctx && ww_ctx->acquired > 0) {
- ret = __mutex_lock_check_stamp(lock, ww_ctx);
+ ret = __ww_mutex_lock_check_stamp(lock, ww_ctx);
if (ret)
goto err;
}