Message ID | 1420274709-30199-2-git-send-email-pbonzini@redhat.com |
---|---|
State | New |
Headers | show |
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 @@ #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.
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> --- include/qemu/atomic.h | 4 ++-- 1 file changed, 2 insertions(+), 2 deletions(-)