We'll need a full memory barrier, and __sync_synchronize() is
just too ugly to type.
Signed-off-by: Paolo Bonzini <pbonz...@redhat.com>
---
qemu-barrier.h | 2 ++
1 files changed, 2 insertions(+), 0 deletions(-)
diff --git a/qemu-barrier.h b/qemu-barrier.h
index b77fce2..7bd5268 100644
--- a/qemu-barrier.h
+++ b/qemu-barrier.h
@@ -4,6 +4,8 @@
/* FIXME: arch dependant, x86 version */
#define smp_wmb() asm volatile("" ::: "memory")
+#define smp_mb() __sync_synchronize()
+
/* Compiler barrier */
#define barrier() asm volatile("" ::: "memory")
--
1.7.6
