From mboxrd@z Thu Jan 1 00:00:00 1970 From: "Paul E. McKenney" Subject: [PATCH RFC 19/26] mn10300: Remove spin_unlock_wait() arch-specific definitions Date: Thu, 29 Jun 2017 17:01:27 -0700 Message-ID: <1498780894-8253-19-git-send-email-paulmck@linux.vnet.ibm.com> References: <20170629235918.GA6445@linux.vnet.ibm.com> Cc: netfilter-devel@vger.kernel.org, netdev@vger.kernel.org, oleg@redhat.com, akpm@linux-foundation.org, mingo@redhat.com, dave@stgolabs.net, manfred@colorfullife.com, tj@kernel.org, arnd@arndb.de, linux-arch@vger.kernel.org, will.deacon@arm.com, peterz@infradead.org, stern@rowland.harvard.edu, parri.andrea@gmail.com, torvalds@linux-foundation.org, "Paul E. McKenney" , David Howells , To: linux-kernel@vger.kernel.org Return-path: In-Reply-To: <20170629235918.GA6445@linux.vnet.ibm.com> Sender: linux-arch-owner@vger.kernel.org List-Id: netfilter-devel.vger.kernel.org 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 Cc: David Howells Cc: Cc: Will Deacon Cc: Peter Zijlstra Cc: Alan Stern Cc: Andrea Parri Cc: Linus Torvalds --- arch/mn10300/include/asm/spinlock.h | 5 ----- 1 file changed, 5 deletions(-) diff --git a/arch/mn10300/include/asm/spinlock.h b/arch/mn10300/include/asm/spinlock.h index 9c7b8f7942d8..fe413b41df6c 100644 --- a/arch/mn10300/include/asm/spinlock.h +++ b/arch/mn10300/include/asm/spinlock.h @@ -26,11 +26,6 @@ #define arch_spin_is_locked(x) (*(volatile signed char *)(&(x)->slock) != 0) -static inline void arch_spin_unlock_wait(arch_spinlock_t *lock) -{ - smp_cond_load_acquire(&lock->slock, !VAL); -} - static inline void arch_spin_unlock(arch_spinlock_t *lock) { asm volatile( -- 2.5.2