From bb144a85c70a65730424ad1a9dc50fef66e5cafe Mon Sep 17 00:00:00 2001
From: Prasanna S Panchamukhi <prasanna@in.ibm.com>
Date: Tue, 6 Sep 2005 15:19:29 -0700
Subject: [PATCH] Kprobes: prevent possible race conditions ppc64 changes

This patch contains the ppc64 architecture specific changes to prevent the
possible race conditions.

Signed-off-by: Prasanna S Panchamukhi <prasanna@in.ibm.com>
Signed-off-by: Andrew Morton <akpm@osdl.org>
Signed-off-by: Linus Torvalds <torvalds@osdl.org>
---
 include/asm-ppc64/processor.h | 14 ++++++++++++++
 1 file changed, 14 insertions(+)

(limited to 'include')

diff --git a/include/asm-ppc64/processor.h b/include/asm-ppc64/processor.h
index 7bd4796f12..8bd7aa9593 100644
--- a/include/asm-ppc64/processor.h
+++ b/include/asm-ppc64/processor.h
@@ -311,6 +311,20 @@ name: \
 	.type GLUE(.,name),@function; \
 GLUE(.,name):
 
+#define _KPROBE(name) \
+	.section ".kprobes.text","a"; \
+	.align 2 ; \
+	.globl name; \
+	.globl GLUE(.,name); \
+	.section ".opd","aw"; \
+name: \
+	.quad GLUE(.,name); \
+	.quad .TOC.@tocbase; \
+	.quad 0; \
+	.previous; \
+	.type GLUE(.,name),@function; \
+GLUE(.,name):
+
 #define _STATIC(name) \
 	.section ".text"; \
 	.align 2 ; \
-- 
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