Message ID | 1498780894-8253-24-git-send-email-paulmck@linux.vnet.ibm.com |
---|---|
State | RFC |
Delegated to: | David Miller |
Headers | show |
diff --git a/arch/sparc/include/asm/spinlock_32.h b/arch/sparc/include/asm/spinlock_32.h index 8011e79f59c9..67345b2dc408 100644 --- a/arch/sparc/include/asm/spinlock_32.h +++ b/arch/sparc/include/asm/spinlock_32.h @@ -14,11 +14,6 @@ #define arch_spin_is_locked(lock) (*((volatile unsigned char *)(lock)) != 0) -static inline void arch_spin_unlock_wait(arch_spinlock_t *lock) -{ - smp_cond_load_acquire(&lock->lock, !VAL); -} - static inline void arch_spin_lock(arch_spinlock_t *lock) { __asm__ __volatile__( diff --git a/arch/sparc/include/asm/spinlock_64.h b/arch/sparc/include/asm/spinlock_64.h index 07c9f2e9bf57..923d57f9b79d 100644 --- a/arch/sparc/include/asm/spinlock_64.h +++ b/arch/sparc/include/asm/spinlock_64.h @@ -26,11 +26,6 @@ #define arch_spin_is_locked(lp) ((lp)->lock != 0) -static inline void arch_spin_unlock_wait(arch_spinlock_t *lock) -{ - smp_cond_load_acquire(&lock->lock, !VAL); -} - static inline void arch_spin_lock(arch_spinlock_t *lock) { unsigned long tmp;
There is no agreed-upon definition of spin_unlock_wait()'s semantics, and it appears that all callers could do just as well with a lock/unlock pair. This commit therefore removes the underlying arch-specific arch_spin_unlock_wait(). Signed-off-by: Paul E. McKenney <paulmck@linux.vnet.ibm.com> Cc: "David S. Miller" <davem@davemloft.net> Cc: <sparclinux@vger.kernel.org> Cc: Will Deacon <will.deacon@arm.com> Cc: Peter Zijlstra <peterz@infradead.org> Cc: Alan Stern <stern@rowland.harvard.edu> Cc: Andrea Parri <parri.andrea@gmail.com> Cc: Linus Torvalds <torvalds@linux-foundation.org> --- arch/sparc/include/asm/spinlock_32.h | 5 ----- arch/sparc/include/asm/spinlock_64.h | 5 ----- 2 files changed, 10 deletions(-)