include atomic.h to get atomic operations (virtio_membar). ok sf

diff --git a/sys/dev/pci/virtio.c b/sys/dev/pci/virtio.c
index d8321b8..fe9268f 100644 (file)
--- a/sys/dev/pci/virtio.c
+++ b/sys/dev/pci/virtio.c
@@ -1,4 +1,4 @@
-/*     $OpenBSD: virtio.c,v 1.11 2014/10/08 20:03:18 sf Exp $  */
+/*     $OpenBSD: virtio.c,v 1.12 2014/12/16 21:19:29 tedu Exp $        */
 /*     $NetBSD: virtio.c,v 1.3 2011/11/02 23:05:52 njoly Exp $ */
 
 /*
@@ -32,6 +32,7 @@
 #include <sys/kernel.h>
 #include <sys/device.h>
 #include <sys/mutex.h>
+#include <sys/atomic.h>
 
 #include <dev/pci/pcidevs.h>
 #include <dev/pci/pcireg.h>