[Qemu-devel] [PATCH v6 4/8] virtio-balloon: use virtio wrappers to access page frame numbers

[Greg Kurz]

From: Rusty Russell <address@hidden>

Signed-off-by: Rusty Russell <address@hidden>
Reviewed-by: Anthony Liguori <address@hidden>
[ use per-device needs_byteswap flag,
  Greg Kurz <address@hidden> ]
Signed-off-by: Greg Kurz <address@hidden>
---
 hw/virtio/virtio-balloon.c |    4 +++-
 1 file changed, 3 insertions(+), 1 deletion(-)

diff --git a/hw/virtio/virtio-balloon.c b/hw/virtio/virtio-balloon.c
index a470a0b..e0b31ba 100644
--- a/hw/virtio/virtio-balloon.c
+++ b/hw/virtio/virtio-balloon.c
@@ -30,6 +30,7 @@
 #endif
 
 #include "hw/virtio/virtio-bus.h"
+#include "hw/virtio/virtio-access.h"
 
 static void balloon_page(void *addr, int deflate)
 {
@@ -192,7 +193,8 @@ static void virtio_balloon_handle_output(VirtIODevice 
*vdev, VirtQueue *vq)
             ram_addr_t pa;
             ram_addr_t addr;
 
-            pa = (ram_addr_t)ldl_p(&pfn) << VIRTIO_BALLOON_PFN_SHIFT;
+            pa = (ram_addr_t)virtio_ldl_p(&pfn,
+                                          vdev) << VIRTIO_BALLOON_PFN_SHIFT;
             offset += 4;
 
             /* FIXME: remove get_system_memory(), but how? */