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Message-Id: <1224249353-3032-2-git-send-email-albcamus@gmail.com>
Date:	Fri, 17 Oct 2008 21:15:53 +0800
From:	Jike Song <albcamus@...il.com>
To:	hpa@...or.com
Cc:	linux-kernel@...r.kernel.org, Jike Song <albcamus@...il.com>
Subject: [PATCH] x86: add missed clobber for 32-bit memmove

memmove() is implemented by inline assembly. It calls std at first
and cld at last, but EFLAGS still should be clobbered.

Signed-off-by: Jike Song <albcamus@...il.com>
---
 arch/x86/lib/memcpy_32.c |    2 +-
 1 files changed, 1 insertions(+), 1 deletions(-)

diff --git a/arch/x86/lib/memcpy_32.c b/arch/x86/lib/memcpy_32.c
index 5415a9d..99a8240 100644
--- a/arch/x86/lib/memcpy_32.c
+++ b/arch/x86/lib/memcpy_32.c
@@ -36,7 +36,7 @@ void *memmove(void *dest, const void *src, size_t n)
 			:"0" (n),
 			 "1" (n-1+src),
 			 "2" (n-1+dest)
-			:"memory");
+			:"cc", "memory");
 	}
 	return dest;
 }
-- 
1.6.0.1

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