linux-kernel - [PATCH] [27/40] i386: Define per_cpu

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Date:	Mon, 30 Apr 2007 12:28:01 +0200 (CEST)
From:	Andi Kleen <ak@...e.de>
To:	jeremy@...p.org, rusty@...tcorp.com.au, ak@...e.de,
	patches@...-64.org, linux-kernel@...r.kernel.org
Subject: [PATCH] [27/40] i386: Define per_cpu_offset


From: Jeremy Fitzhardinge <jeremy@...p.org>
Define per_cpu_offset in asm-i386/percpu.h when SMP defined, like
asm-generic/percpu.h does for UP.

Signed-off-by: Jeremy Fitzhardinge <jeremy@...source.com>
Signed-off-by: Andi Kleen <ak@...e.de>
Cc: Rusty Russell <rusty@...tcorp.com.au>
Cc: Andi Kleen <ak@...e.de>

---
 include/asm-i386/percpu.h |    2 ++
 1 file changed, 2 insertions(+)

===================================================================
Index: linux/include/asm-i386/percpu.h
===================================================================
--- linux.orig/include/asm-i386/percpu.h
+++ linux/include/asm-i386/percpu.h
@@ -47,6 +47,8 @@
 /* This is used for other cpus to find our section. */
 extern unsigned long __per_cpu_offset[];
 
+#define per_cpu_offset(x) (__per_cpu_offset[x])
+
 /* Separate out the type, so (int[3], foo) works. */
 #define DECLARE_PER_CPU(type, name) extern __typeof__(type) per_cpu__##name
 #define DEFINE_PER_CPU(type, name) \
-
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