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[Qemu-devel] [PATCH 23/43] atomic: fix position of volatile qualifier

From: Michael Roth
Subject: [Qemu-devel] [PATCH 23/43] atomic: fix position of volatile qualifier
Date: Tue, 24 Feb 2015 15:47:58 -0600

From: Paolo Bonzini <address@hidden>

What needs to be volatile is not the pointer, but the pointed-to

Cc: address@hidden
Signed-off-by: Paolo Bonzini <address@hidden>
(cherry picked from commit 2cbcfb281afa041a41f6e4c4da0f5c9314084604)
Signed-off-by: Michael Roth <address@hidden>
 include/qemu/atomic.h | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/include/qemu/atomic.h b/include/qemu/atomic.h
index 492bce1..93c2ae2 100644
--- a/include/qemu/atomic.h
+++ b/include/qemu/atomic.h
@@ -122,11 +122,11 @@
 #ifndef atomic_read
-#define atomic_read(ptr)       (*(__typeof__(*ptr) *volatile) (ptr))
+#define atomic_read(ptr)       (*(__typeof__(*ptr) volatile*) (ptr))
 #ifndef atomic_set
-#define atomic_set(ptr, i)     ((*(__typeof__(*ptr) *volatile) (ptr)) = (i))
+#define atomic_set(ptr, i)     ((*(__typeof__(*ptr) volatile*) (ptr)) = (i))
 /* These have the same semantics as Java volatile variables.

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