Remove the lone, remaining reference to the long-deceased
rwlock_is_locked() macro.
Signed-off-by: Robert P. J. Day <rpjday@mindspring.com>
Cc: Russell King <rmk@arm.linux.org.uk>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
  * Write locks are easy - we just set bit 31.  When unlocking, we can
  * just write zero since the lock is exclusively held.
  */
-#define rwlock_is_locked(x)    (*((volatile unsigned int *)(x)) != 0)
 
 static inline void __raw_write_lock(raw_rwlock_t *rw)
 {