From mboxrd@z Thu Jan 1 00:00:00 1970 From: "Paul E. McKenney" Subject: [PATCH RFC 10/26] arc: Remove spin_unlock_wait() arch-specific definitions Date: Thu, 29 Jun 2017 17:01:18 -0700 Message-ID: <1498780894-8253-10-git-send-email-paulmck@linux.vnet.ibm.com> References: <20170629235918.GA6445@linux.vnet.ibm.com> Mime-Version: 1.0 Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit Cc: linux-arch@vger.kernel.org, parri.andrea@gmail.com, linux-snps-arc@lists.infradead.org, dave@stgolabs.net, manfred@colorfullife.com, arnd@arndb.de, peterz@infradead.org, netdev@vger.kernel.org, will.deacon@arm.com, oleg@redhat.com, mingo@redhat.com, netfilter-devel@vger.kernel.org, Vineet Gupta , tj@kernel.org, stern@rowland.harvard.edu, akpm@linux-foundation.org, "Paul E. McKenney" , torvalds@linux-foundation.org To: linux-kernel@vger.kernel.org Return-path: In-Reply-To: <20170629235918.GA6445@linux.vnet.ibm.com> List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Sender: "linux-snps-arc" Errors-To: linux-snps-arc-bounces+gla-linux-snps-arc=m.gmane.org@lists.infradead.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: Vineet Gupta Cc: Cc: Will Deacon Cc: Peter Zijlstra Cc: Alan Stern Cc: Andrea Parri Cc: Linus Torvalds --- arch/arc/include/asm/spinlock.h | 5 ----- 1 file changed, 5 deletions(-) diff --git a/arch/arc/include/asm/spinlock.h b/arch/arc/include/asm/spinlock.h index 233d5ffe6ec7..a325e6a36523 100644 --- a/arch/arc/include/asm/spinlock.h +++ b/arch/arc/include/asm/spinlock.h @@ -16,11 +16,6 @@ #define arch_spin_is_locked(x) ((x)->slock != __ARCH_SPIN_LOCK_UNLOCKED__) #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->slock, !VAL); -} - #ifdef CONFIG_ARC_HAS_LLSC static inline void arch_spin_lock(arch_spinlock_t *lock) -- 2.5.2