Removes "#ifndef queued_spin_is_locked" from the generic code: this is
not used _and_ it is reasonable to conclude that it'll never be.
Also removes the comment about spin_is_locked() from mutex_is_locked():
it remains valid, but not particularly useful.
Suggested-by: Will Deacon <will.dea...@arm.com>
Signed-off-by: Andrea Parri <andrea.pa...@amarulasolutions.com>
Acked-by: Will Deacon <will.dea...@arm.com>
Cc: Peter Zijlstra <pet...@infradead.org>
Cc: Ingo Molnar <mi...@redhat.com>
Cc: Linus Torvalds <torva...@linux-foundation.org>
Cc: Will Deacon <will.dea...@arm.com>
---
include/asm-generic/qspinlock.h | 2 --
include/linux/mutex.h | 3 ---
2 files changed, 5 deletions(-)
diff --git a/include/asm-generic/qspinlock.h b/include/asm-generic/qspinlock.h
index b37b4ad7eb946..dc4e4ac4937ea 100644
--- a/include/asm-generic/qspinlock.h
+++ b/include/asm-generic/qspinlock.h
@@ -26,7 +26,6 @@
* @lock: Pointer to queued spinlock structure
* Return: 1 if it is locked, 0 otherwise
*/
-#ifndef queued_spin_is_locked
static __always_inline int queued_spin_is_locked(struct qspinlock *lock)
{
/*
@@ -35,7 +34,6 @@ static __always_inline int queued_spin_is_locked(struct
qspinlock *lock)
*/
return atomic_read(&lock->val);
}
-#endif
/**
* queued_spin_value_unlocked - is the spinlock structure unlocked?
diff --git a/include/linux/mutex.h b/include/linux/mutex.h
index cb3bbed4e6339..9921822c51585 100644
--- a/include/linux/mutex.h
+++ b/include/linux/mutex.h
@@ -147,9 +147,6 @@ extern void __mutex_init(struct mutex *lock, const char
*name,
*/
static inline bool mutex_is_locked(struct mutex *lock)
{
- /*
- * XXX think about spin_is_locked
- */
return __mutex_owner(lock) != NULL;
}
--
2.7.4
