Message ID | 1498780894-8253-10-git-send-email-paulmck@linux.vnet.ibm.com |
---|---|
State | New |
Headers | show
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McKenney" <paulmck@linux.vnet.ibm.com> To: linux-kernel@vger.kernel.org Subject: [PATCH RFC 10/26] arc: Remove spin_unlock_wait() arch-specific definitions Date: Thu, 29 Jun 2017 17:01:18 -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: 17063000-0052-0000-0000-00000232C765 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: 17063000-0053-0000-0000-000051271535 Message-Id: <1498780894-8253-10-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 X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20170629_170204_584877_3FC8B375 X-CRM114-Status: UNSURE ( 9.89 ) X-CRM114-Notice: Please train this message. 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McKenney" <paulmck@linux.vnet.ibm.com>, torvalds@linux-foundation.org MIME-Version: 1.0 Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit Sender: "linux-snps-arc" <linux-snps-arc-bounces@lists.infradead.org> Errors-To: linux-snps-arc-bounces+incoming=patchwork.ozlabs.org@lists.infradead.org |
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)
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: Vineet Gupta <vgupta@synopsys.com> Cc: <linux-snps-arc@lists.infradead.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/arc/include/asm/spinlock.h | 5 ----- 1 file changed, 5 deletions(-)