* [PATCH RFC 14/26] hexagon: Remove spin_unlock_wait() arch-specific definitions
[not found] <20170629235918.GA6445@linux.vnet.ibm.com>
@ 2017-06-30 0:01 ` Paul E. McKenney
0 siblings, 0 replies; only message in thread
From: Paul E. McKenney @ 2017-06-30 0:01 UTC (permalink / raw)
To: linux-kernel
Cc: netfilter-devel, netdev, oleg, akpm, mingo, dave, manfred, tj,
arnd, linux-arch, will.deacon, peterz, stern, parri.andrea,
torvalds, Paul E. McKenney, Richard Kuo, linux-hexagon
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: Richard Kuo <rkuo@codeaurora.org>
Cc: <linux-hexagon@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/hexagon/include/asm/spinlock.h | 5 -----
1 file changed, 5 deletions(-)
diff --git a/arch/hexagon/include/asm/spinlock.h b/arch/hexagon/include/asm/spinlock.h
index a1c55788c5d6..53a8d5885887 100644
--- a/arch/hexagon/include/asm/spinlock.h
+++ b/arch/hexagon/include/asm/spinlock.h
@@ -179,11 +179,6 @@ static inline unsigned int arch_spin_trylock(arch_spinlock_t *lock)
*/
#define arch_spin_lock_flags(lock, flags) arch_spin_lock(lock)
-static inline void arch_spin_unlock_wait(arch_spinlock_t *lock)
-{
- smp_cond_load_acquire(&lock->lock, !VAL);
-}
-
#define arch_spin_is_locked(x) ((x)->lock != 0)
#define arch_read_lock_flags(lock, flags) arch_read_lock(lock)
--
2.5.2
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