From d83a2bc6c48a54792fc41d386c5a0512abbe02fa Mon Sep 17 00:00:00 2001
From: Avi Kivity <avi@qumranet.com>
Date: Sun, 3 Jun 2007 11:27:40 +0300
Subject: kvm: external module: backward compatibility for <asm/cmpxchg.h>

---
 kvm/kernel/external-module-compat.h | 5 ++++-
 kvm/kernel/include/asm/cmpxchg.h    | 5 +++++
 2 files changed, 9 insertions(+), 1 deletion(-)
 create mode 100644 kvm/kernel/include/asm/cmpxchg.h

diff --git a/kvm/kernel/external-module-compat.h b/kvm/kernel/external-module-compat.h
index 66467c041..70a3c1e20 100644
--- a/kvm/kernel/external-module-compat.h
+++ b/kvm/kernel/external-module-compat.h
@@ -164,4 +164,7 @@ static inline struct super_block *kvmfs_get_sb(
 
 #endif
 
-
+/*
+ * For set_64bit(), which is in a new file asm/cmpxchg.h in newer kernels.
+ */
+#include <asm/system.h>
diff --git a/kvm/kernel/include/asm/cmpxchg.h b/kvm/kernel/include/asm/cmpxchg.h
new file mode 100644
index 000000000..4258b93b1
--- /dev/null
+++ b/kvm/kernel/include/asm/cmpxchg.h
@@ -0,0 +1,5 @@
+/*
+ * Empty file to satisfy #include <linux/cmpxchg.h> for older kernels.
+ */
+
+
-- 
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