tools/virtio: make asm/barrier.h self contained

[sfrench/cifs-2.6.git] / tools / virtio / asm / barrier.h

diff --git a/tools/virtio/asm/barrier.h b/tools/virtio/asm/barrier.h
index d0351f83aebed9f1ce87c390e586ce45c7068337..04d563fc9b95ca0e80d323e271473492400f7273 100644 (file)
--- a/tools/virtio/asm/barrier.h
+++ b/tools/virtio/asm/barrier.h
@@ -1,4 +1,5 @@
 /* SPDX-License-Identifier: GPL-2.0 */
+#include <stdlib.h>
 #if defined(__i386__) || defined(__x86_64__)
 #define barrier() asm volatile("" ::: "memory")
 #define virt_mb() __sync_synchronize()