From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1752635AbdF3AC0 (ORCPT ); Thu, 29 Jun 2017 20:02:26 -0400 Received: from mx0b-001b2d01.pphosted.com ([148.163.158.5]:40265 "EHLO mx0a-001b2d01.pphosted.com" rhost-flags-OK-OK-OK-FAIL) by vger.kernel.org with ESMTP id S1752218AbdF3ABq (ORCPT ); Thu, 29 Jun 2017 20:01:46 -0400 From: "Paul E. McKenney" To: linux-kernel@vger.kernel.org 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" , Steven Miao , Subject: [PATCH RFC 13/26] blackfin: Remove spin_unlock_wait() arch-specific definitions Date: Thu, 29 Jun 2017 17:01:21 -0700 X-Mailer: git-send-email 2.5.2 In-Reply-To: <20170629235918.GA6445@linux.vnet.ibm.com> References: <20170629235918.GA6445@linux.vnet.ibm.com> X-TM-AS-GCONF: 00 x-cbid: 17063000-0044-0000-0000-00000360D0B5 X-IBM-SpamModules-Scores: X-IBM-SpamModules-Versions: BY=3.00007295; HX=3.00000241; KW=3.00000007; PH=3.00000004; SC=3.00000214; SDB=6.00880606; UDB=6.00439011; IPR=6.00660759; BA=6.00005447; NDR=6.00000001; ZLA=6.00000005; ZF=6.00000009; ZB=6.00000000; ZP=6.00000000; ZH=6.00000000; ZU=6.00000002; MB=3.00016015; XFM=3.00000015; UTC=2017-06-30 00:01:41 X-IBM-AV-DETECTION: SAVI=unused REMOTE=unused XFE=unused x-cbparentid: 17063000-0045-0000-0000-0000078ED0CE Message-Id: <1498780894-8253-13-git-send-email-paulmck@linux.vnet.ibm.com> X-Proofpoint-Virus-Version: vendor=fsecure engine=2.50.10432:,, definitions=2017-06-29_17:,, signatures=0 X-Proofpoint-Spam-Details: rule=outbound_notspam policy=outbound score=0 spamscore=0 suspectscore=1 malwarescore=0 phishscore=0 adultscore=0 bulkscore=0 classifier=spam adjust=0 reason=mlx scancount=1 engine=8.0.1-1703280000 definitions=main-1706290384 Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@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: Steven Miao Cc: Cc: Will Deacon Cc: Peter Zijlstra Cc: Alan Stern Cc: Andrea Parri Cc: Linus Torvalds --- arch/blackfin/include/asm/spinlock.h | 5 ----- 1 file changed, 5 deletions(-) diff --git a/arch/blackfin/include/asm/spinlock.h b/arch/blackfin/include/asm/spinlock.h index c58f4a83ed6f..f6431439d15d 100644 --- a/arch/blackfin/include/asm/spinlock.h +++ b/arch/blackfin/include/asm/spinlock.h @@ -48,11 +48,6 @@ static inline void arch_spin_unlock(arch_spinlock_t *lock) __raw_spin_unlock_asm(&lock->lock); } -static inline void arch_spin_unlock_wait(arch_spinlock_t *lock) -{ - smp_cond_load_acquire(&lock->lock, !VAL); -} - static inline int arch_read_can_lock(arch_rwlock_t *rw) { return __raw_uncached_fetch_asm(&rw->lock) > 0; -- 2.5.2