From: Laurent Vivier <lvivier@redhat.com>
Date: Mon, 26 Sep 2016 15:24:10 +0000 (+0200)
Subject: libqos: fix qvring_init()
X-Git-Tag: qemu-xen-4.9.0-rc1~162^2~3
X-Git-Url: http://xenbits.xensource.com/gitweb?a=commitdiff_plain;h=844c82296f8bd6ceff8d170f3740740f3ce84b73;p=qemu-xen.git

libqos: fix qvring_init()

"vq->desc[i].addr" is a 64bit value,
so write it with writeq(), not writew().

struct vring_desc {
    __virtio64 addr;
    __virtio32 len;
    __virtio16 flags;
    __virtio16 next;
};

Signed-off-by: Laurent Vivier <lvivier@redhat.com>
Message-id: 1474903450-9605-1-git-send-email-lvivier@redhat.com
Signed-off-by: Stefan Hajnoczi <stefanha@redhat.com>
---

diff --git a/tests/libqos/virtio.c b/tests/libqos/virtio.c
index 37ff860c16..105bccecaa 100644
--- a/tests/libqos/virtio.c
+++ b/tests/libqos/virtio.c
@@ -147,7 +147,7 @@ void qvring_init(const QGuestAllocator *alloc, QVirtQueue *vq, uint64_t addr)
 
     for (i = 0; i < vq->size - 1; i++) {
         /* vq->desc[i].addr */
-        writew(vq->desc + (16 * i), 0);
+        writeq(vq->desc + (16 * i), 0);
         /* vq->desc[i].next */
         writew(vq->desc + (16 * i) + 14, i + 1);
     }