Messages in this thread Patch in this message | | | From | Davidlohr Bueso <> | Subject | [PATCH] spinlock: Get rid of spin_can_lock() | Date | Mon, 23 May 2016 06:54:02 -0700 |
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... it has no users and we already have the the regular spin_is_lock() call anyway -- although iirc this was going to be different than the simple negation for lock elision implementations. Lets drop it.
Signed-off-by: Davidlohr Bueso <dbueso@suse.de> --- include/linux/spinlock.h | 11 ----------- 1 file changed, 11 deletions(-)
diff --git a/include/linux/spinlock.h b/include/linux/spinlock.h index 47dd0cebd204..047c6f6c3268 100644 --- a/include/linux/spinlock.h +++ b/include/linux/spinlock.h @@ -264,12 +264,6 @@ static inline void do_raw_spin_unlock(raw_spinlock_t *lock) __releases(lock) 1 : ({ local_irq_restore(flags); 0; }); \ }) -/** - * raw_spin_can_lock - would raw_spin_trylock() succeed? - * @lock: the spinlock in question. - */ -#define raw_spin_can_lock(lock) (!raw_spin_is_locked(lock)) - /* Include rwlock functions */ #include <linux/rwlock.h> @@ -392,11 +386,6 @@ static __always_inline int spin_is_contended(spinlock_t *lock) return raw_spin_is_contended(&lock->rlock); } -static __always_inline int spin_can_lock(spinlock_t *lock) -{ - return raw_spin_can_lock(&lock->rlock); -} - #define assert_spin_locked(lock) assert_raw_spin_locked(&(lock)->rlock) /* -- 2.8.2
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