linux-kernel - [PATCH 2/5] add WEAK() for creating weak asm labels

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Message-Id: <1191368154.17826.44.camel@localhost.localdomain>
Date:	Wed, 03 Oct 2007 09:35:54 +1000
From:	Rusty Russell <rusty@...tcorp.com.au>
To:	lkml - Kernel Mailing List <linux-kernel@...r.kernel.org>
Cc:	Jeremy Fitzhardinge <jeremy@...p.org>,
	"H. Peter Anvin" <hpa@...or.com>, Vivek Goyal <vgoyal@...ibm.com>,
	lguest <lguest@...abs.org>,
	"Eric W. Biederman" <ebiederm@...ssion.com>
Subject: [PATCH 2/5] add WEAK() for creating weak asm labels

Signed-off-by: Jeremy Fitzhardinge <jeremy@...source.com>
Signed-off-by: Rusty Russell <rusty@...tcorp.com.au>

---
 include/linux/linkage.h |    6 ++++++
 1 file changed, 6 insertions(+)

===================================================================
--- a/include/linux/linkage.h
+++ b/include/linux/linkage.h
@@ -34,6 +34,12 @@
   name:
 #endif
 
+#ifndef WEAK
+#define WEAK(name)	   \
+	.weak name;	   \
+	name:
+#endif
+
 #define KPROBE_ENTRY(name) \
   .pushsection .kprobes.text, "ax"; \
   ENTRY(name)


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