From: Mathieu Desnoyers <mathieu.desnoyers@polymtl.ca>
Date: Tue, 22 Sep 2009 22:51:21 +0000 (-0400)
Subject: update ppc atomic
X-Git-Tag: v0.1~50
X-Git-Url: https://git.lttng.org./?a=commitdiff_plain;h=5f8052b4e0acf2de0d3a143b82549d78413b29ab;p=userspace-rcu.git

update ppc atomic

Signed-off-by: Mathieu Desnoyers <mathieu.desnoyers@polymtl.ca>
---

diff --git a/arch_atomic_ppc.h b/arch_atomic_ppc.h
index 231a577..16ddc01 100644
--- a/arch_atomic_ppc.h
+++ b/arch_atomic_ppc.h
@@ -36,6 +36,13 @@
 
 #ifndef _INCLUDE_API_H
 
+#define atomic_set(addr, v)				\
+do {							\
+	ACCESS_ONCE(*(addr)) = (v);			\
+} while (0)
+
+#define atomic_read(addr)	ACCESS_ONCE(*(addr))
+
 /*
  * Using a isync as second barrier for exchange to provide acquire semantic.
  * According to atomic_ops/sysdeps/gcc/powerpc.h, the documentation is "fairly