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atomic: fix position of volatile qualifier

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

Cc: qemu-stable@nongnu.org
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
This commit is contained in:
Paolo Bonzini
2014-12-23 10:14:46 +01:00
parent c95f3901b4
commit 2cbcfb281a
1 changed files with 2 additions and 2 deletions
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include/qemu/atomic.h
+2 -2
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@@ -122,11 +122,11 @@
#endif
#ifndef atomic_read
#define atomic_read(ptr) (*(__typeof__(*ptr) *volatile) (ptr))
#define atomic_read(ptr) (*(__typeof__(*ptr) volatile*) (ptr))
#endif
#ifndef atomic_set
#define atomic_set(ptr, i) ((*(__typeof__(*ptr) *volatile) (ptr)) = (i))
#define atomic_set(ptr, i) ((*(__typeof__(*ptr) volatile*) (ptr)) = (i))
#endif
/* These have the same semantics as Java volatile variables.