linux-kernel - [PATCH] fence: Use smp_mb__before

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Message-Id: <1401287192-14701-1-git-send-email-thierry.reding@gmail.com>
Date:	Wed, 28 May 2014 16:26:32 +0200
From:	Thierry Reding <thierry.reding@...il.com>
To:	Greg Kroah-Hartman <gregkh@...uxfoundation.org>
Cc:	Maarten Lankhorst <maarten.lankhorst@...onical.com>,
	Sumit Semwal <sumit.semwal@...aro.org>,
	linux-kernel@...r.kernel.org
Subject: [PATCH] fence: Use smp_mb__before_atomic()

From: Thierry Reding <treding@...dia.com>

Commit febdbfe8a91c (arch: Prepare for smp_mb__{before,after}_atomic())
deprecated the smp_mb__{before,after}_{atomic,clear}_{dec,inc,bit}*()
functions in favour of the unified smp_mb__{before,after}_atomic().

Signed-off-by: Thierry Reding <treding@...dia.com>
---
 drivers/base/fence.c | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/drivers/base/fence.c b/drivers/base/fence.c
index f780f9b3d418..74d1f7bcb467 100644
--- a/drivers/base/fence.c
+++ b/drivers/base/fence.c
@@ -65,7 +65,7 @@ int __fence_signal(struct fence *fence)
 
 	if (!ktime_to_ns(fence->timestamp)) {
 		fence->timestamp = ktime_get();
-		smp_mb__before_clear_bit();
+		smp_mb__before_atomic();
 	}
 
 	if (test_and_set_bit(FENCE_FLAG_SIGNALED_BIT, &fence->flags)) {
@@ -105,7 +105,7 @@ int fence_signal(struct fence *fence)
 
 	if (!ktime_to_ns(fence->timestamp)) {
 		fence->timestamp = ktime_get();
-		smp_mb__before_clear_bit();
+		smp_mb__before_atomic();
 	}
 
 	if (test_and_set_bit(FENCE_FLAG_SIGNALED_BIT, &fence->flags))
-- 
1.9.2

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