linux-kernel - [PATCH 9/14] uml: memcpy export needs to follow host declaration

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Message-ID: <20080801224132.GA13711@c2.user-mode-linux.org>
Date:	Fri, 1 Aug 2008 18:41:32 -0400
From:	Jeff Dike <jdike@...toit.com>
To:	stable@...nel.org
Cc:	LKML <linux-kernel@...r.kernel.org>,
	uml-devel <user-mode-linux-devel@...ts.sourceforge.net>,
	Gabriel C <nix.or.die@...glemail.com>
Subject: [PATCH 9/14] uml: memcpy export needs to follow host declaration

>From efc14bf16e1e0d95173875615da633722cc8e467 Mon Sep 17 00:00:00 2001

x86_64 defines either memcpy or __memcpy depending on the gcc version, and
it looks like UML needs to follow that in its exporting.

Cc: Gabriel C <nix.or.die@...glemail.com>
Signed-off-by: Jeff Dike <jdike@...ux.intel.com>
Signed-off-by: Andrew Morton <akpm@...ux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@...ux-foundation.org>
---
 arch/um/sys-x86_64/ksyms.c |    4 ++++
 1 files changed, 4 insertions(+), 0 deletions(-)

diff --git a/arch/um/sys-x86_64/ksyms.c b/arch/um/sys-x86_64/ksyms.c
index 08f63e2..467879a 100644
--- a/arch/um/sys-x86_64/ksyms.c
+++ b/arch/um/sys-x86_64/ksyms.c
@@ -13,5 +13,9 @@ EXPORT_SYMBOL(__down_failed_trylock);
 EXPORT_SYMBOL(__up_wakeup);
 
 /*XXX: we need them because they would be exported by x86_64 */
+#if (__GNUC__ == 4 && __GNUC_MINOR__ >= 3) || __GNUC__ > 4
+EXPORT_SYMBOL(memcpy);
+#else
 EXPORT_SYMBOL(__memcpy);
+#endif
 EXPORT_SYMBOL(csum_partial);
-- 
1.5.5.1

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