linux-kernel - [PATCH] arch/tile: revert comment for atomic64_add

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Message-Id: <201203302104.q2UL4sGo006256@farm-0012.internal.tilera.com>
Date:	Tue, 27 Mar 2012 14:10:03 -0400
From:	Chris Metcalf <cmetcalf@...era.com>
To:	Chris Metcalf <cmetcalf@...era.com>,
	Andrew Morton <akpm@...ux-foundation.org>,
	Eric Dumazet <eric.dumazet@...il.com>,
	Mike Frysinger <vapier@...too.org>,
	Arun Sharma <asharma@...com>, linux-kernel@...r.kernel.org
Subject: [PATCH] arch/tile: revert comment for atomic64_add_unless().

It still returns whether @v was not @u, not the the old value,
unlike __atomic_add_unless().

Signed-off-by: Chris Metcalf <cmetcalf@...era.com>
---
 arch/tile/include/asm/atomic_32.h |    2 +-
 1 files changed, 1 insertions(+), 1 deletions(-)

diff --git a/arch/tile/include/asm/atomic_32.h b/arch/tile/include/asm/atomic_32.h
index c03349e..004d6d9 100644
--- a/arch/tile/include/asm/atomic_32.h
+++ b/arch/tile/include/asm/atomic_32.h
@@ -199,7 +199,7 @@ static inline u64 atomic64_add_return(u64 i, atomic64_t *v)
  * @u: ...unless v is equal to u.
  *
  * Atomically adds @a to @v, so long as @v was not already @u.
- * Returns the old value of @v.
+ * Returns non-zero if @v was not @u, and zero otherwise.
  */
 static inline u64 atomic64_add_unless(atomic64_t *v, u64 a, u64 u)
 {
-- 
1.6.5.2

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