From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1752354AbaALSoM (ORCPT ); Sun, 12 Jan 2014 13:44:12 -0500 Received: from terminus.zytor.com ([198.137.202.10]:46292 "EHLO terminus.zytor.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1752334AbaALSoI (ORCPT ); Sun, 12 Jan 2014 13:44:08 -0500 Date: Sun, 12 Jan 2014 10:43:31 -0800 From: tip-bot for Peter Zijlstra Message-ID: Cc: linux-kernel@vger.kernel.org, hpa@zytor.com, mingo@kernel.org, torvalds@linux-foundation.org, peterz@infradead.org, paulmck@linux.vnet.ibm.com, akpm@linux-foundation.org, tglx@linutronix.de Reply-To: mingo@kernel.org, hpa@zytor.com, linux-kernel@vger.kernel.org, torvalds@linux-foundation.org, peterz@infradead.org, paulmck@linux.vnet.ibm.com, akpm@linux-foundation.org, tglx@linutronix.de In-Reply-To: <20131213150640.786183683@infradead.org> References: <20131213150640.786183683@infradead.org> To: linux-tip-commits@vger.kernel.org Subject: [tip:core/locking] arch: Move smp_mb__{before,after}_atomic_{inc, dec}.h into asm/atomic.h Git-Commit-ID: 1de7da377bd880ff23917f78924d0e908329d978 X-Mailer: tip-git-log-daemon Robot-ID: Robot-Unsubscribe: Contact to get blacklisted from these emails MIME-Version: 1.0 Content-Transfer-Encoding: 8bit Content-Type: text/plain; charset=UTF-8 Content-Disposition: inline X-Greylist: Sender IP whitelisted, not delayed by milter-greylist-4.5.1 (terminus.zytor.com [127.0.0.1]); Sun, 12 Jan 2014 10:43:37 -0800 (PST) Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Commit-ID: 1de7da377bd880ff23917f78924d0e908329d978 Gitweb: http://git.kernel.org/tip/1de7da377bd880ff23917f78924d0e908329d978 Author: Peter Zijlstra AuthorDate: Fri, 8 Nov 2013 12:01:59 +0100 Committer: Ingo Molnar CommitDate: Sun, 12 Jan 2014 10:37:14 +0100 arch: Move smp_mb__{before,after}_atomic_{inc,dec}.h into asm/atomic.h Move the barriers functions that depend on the atomic implementation into the atomic implementation. Reviewed-by: Paul E. McKenney Signed-off-by: Peter Zijlstra Acked-by: Vineet Gupta [for arch/arc bits] Cc: Peter Zijlstra Cc: Linus Torvalds Cc: Andrew Morton Cc: Thomas Gleixner Cc: Paul E. McKenney Link: http://lkml.kernel.org/r/20131213150640.786183683@infradead.org Signed-off-by: Ingo Molnar --- arch/arc/include/asm/atomic.h | 5 +++++ arch/arc/include/asm/barrier.h | 5 ----- arch/hexagon/include/asm/atomic.h | 6 +++++- arch/hexagon/include/asm/barrier.h | 4 ---- 4 files changed, 10 insertions(+), 10 deletions(-) diff --git a/arch/arc/include/asm/atomic.h b/arch/arc/include/asm/atomic.h index 83f03ca..03e494f 100644 --- a/arch/arc/include/asm/atomic.h +++ b/arch/arc/include/asm/atomic.h @@ -190,6 +190,11 @@ static inline void atomic_clear_mask(unsigned long mask, unsigned long *addr) #endif /* !CONFIG_ARC_HAS_LLSC */ +#define smp_mb__before_atomic_dec() barrier() +#define smp_mb__after_atomic_dec() barrier() +#define smp_mb__before_atomic_inc() barrier() +#define smp_mb__after_atomic_inc() barrier() + /** * __atomic_add_unless - add unless the number is a given value * @v: pointer of type atomic_t diff --git a/arch/arc/include/asm/barrier.h b/arch/arc/include/asm/barrier.h index f6cb7c4..c32245c 100644 --- a/arch/arc/include/asm/barrier.h +++ b/arch/arc/include/asm/barrier.h @@ -30,11 +30,6 @@ #define smp_wmb() barrier() #endif -#define smp_mb__before_atomic_dec() barrier() -#define smp_mb__after_atomic_dec() barrier() -#define smp_mb__before_atomic_inc() barrier() -#define smp_mb__after_atomic_inc() barrier() - #define smp_read_barrier_depends() do { } while (0) #endif diff --git a/arch/hexagon/include/asm/atomic.h b/arch/hexagon/include/asm/atomic.h index 8a64ff2..7aae4cb 100644 --- a/arch/hexagon/include/asm/atomic.h +++ b/arch/hexagon/include/asm/atomic.h @@ -160,8 +160,12 @@ static inline int __atomic_add_unless(atomic_t *v, int a, int u) #define atomic_sub_and_test(i, v) (atomic_sub_return(i, (v)) == 0) #define atomic_add_negative(i, v) (atomic_add_return(i, (v)) < 0) - #define atomic_inc_return(v) (atomic_add_return(1, v)) #define atomic_dec_return(v) (atomic_sub_return(1, v)) +#define smp_mb__before_atomic_dec() barrier() +#define smp_mb__after_atomic_dec() barrier() +#define smp_mb__before_atomic_inc() barrier() +#define smp_mb__after_atomic_inc() barrier() + #endif diff --git a/arch/hexagon/include/asm/barrier.h b/arch/hexagon/include/asm/barrier.h index 1041a8e..4e863da 100644 --- a/arch/hexagon/include/asm/barrier.h +++ b/arch/hexagon/include/asm/barrier.h @@ -29,10 +29,6 @@ #define smp_read_barrier_depends() barrier() #define smp_wmb() barrier() #define smp_mb() barrier() -#define smp_mb__before_atomic_dec() barrier() -#define smp_mb__after_atomic_dec() barrier() -#define smp_mb__before_atomic_inc() barrier() -#define smp_mb__after_atomic_inc() barrier() /* Set a value and use a memory barrier. Used by the scheduler somewhere. */ #define set_mb(var, value) \