[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>
diff --git a/include/asm-ppc64/processor.h b/include/asm-ppc64/processor.h
index 7bd4796..8bd7aa9 100644
--- a/include/asm-ppc64/processor.h
+++ b/include/asm-ppc64/processor.h
@@ -311,6 +311,20 @@
.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 ; \
