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authorAnthony Liguori <aliguori@us.ibm.com>2013-08-12 08:32:55 -0500
committerAnthony Liguori <aliguori@us.ibm.com>2013-08-12 08:32:55 -0500
commit3ee1ee80d22b3153dd6cbd3bec6d48a026eac31c (patch)
treee58fb6c2c9d263cac2528c7807ff91e43f5d86a3 /hw/virtio
parent6624fecd8e4df6be13f86846abce979702917931 (diff)
parent3561ba14188b3c1e54246ed6db97896bbc082d2f (diff)
Merge remote-tracking branch 'mst/tags/for_anthony' into staging
pci,virtio fixes for 1.6 This includes some last-minute bugfixes for 1.6. All very small patches that also look very safe to me. Signed-off-by: Michael S. Tsirkin <mst@redhat.com> # gpg: Signature made Mon 12 Aug 2013 04:28:57 AM CDT using RSA key ID D28D5469 # gpg: Can't check signature: public key not found # By Michael S. Tsirkin (2) and others # Via Michael S. Tsirkin * mst/tags/for_anthony: vhost: clear signalled_used_valid on vhost stop virtio: clear signalled_used_valid when switching from dataplane i82801b11: Fix i82801b11 PCI host bridge config space pc: disable pci-info for 1.6 Message-id: 1376308831-19978-1-git-send-email-mst@redhat.com Signed-off-by: Anthony Liguori <aliguori@us.ibm.com>
Diffstat (limited to 'hw/virtio')
-rw-r--r--hw/virtio/dataplane/vring.c1
-rw-r--r--hw/virtio/vhost.c1
-rw-r--r--hw/virtio/virtio.c5
3 files changed, 7 insertions, 0 deletions
diff --git a/hw/virtio/dataplane/vring.c b/hw/virtio/dataplane/vring.c
index 82cc151b17..351a343806 100644
--- a/hw/virtio/dataplane/vring.c
+++ b/hw/virtio/dataplane/vring.c
@@ -52,6 +52,7 @@ bool vring_setup(Vring *vring, VirtIODevice *vdev, int n)
void vring_teardown(Vring *vring, VirtIODevice *vdev, int n)
{
virtio_queue_set_last_avail_idx(vdev, n, vring->last_avail_idx);
+ virtio_queue_invalidate_signalled_used(vdev, n);
hostmem_finalize(&vring->hostmem);
}
diff --git a/hw/virtio/vhost.c b/hw/virtio/vhost.c
index 8f6ab130ee..9e336ad81e 100644
--- a/hw/virtio/vhost.c
+++ b/hw/virtio/vhost.c
@@ -762,6 +762,7 @@ static void vhost_virtqueue_stop(struct vhost_dev *dev,
fflush(stderr);
}
virtio_queue_set_last_avail_idx(vdev, idx, state.num);
+ virtio_queue_invalidate_signalled_used(vdev, idx);
assert (r >= 0);
cpu_physical_memory_unmap(vq->ring, virtio_queue_get_ring_size(vdev, idx),
0, virtio_queue_get_ring_size(vdev, idx));
diff --git a/hw/virtio/virtio.c b/hw/virtio/virtio.c
index 60653f764e..f03c45dff5 100644
--- a/hw/virtio/virtio.c
+++ b/hw/virtio/virtio.c
@@ -1065,6 +1065,11 @@ void virtio_queue_set_last_avail_idx(VirtIODevice *vdev, int n, uint16_t idx)
vdev->vq[n].last_avail_idx = idx;
}
+void virtio_queue_invalidate_signalled_used(VirtIODevice *vdev, int n)
+{
+ vdev->vq[n].signalled_used_valid = false;
+}
+
VirtQueue *virtio_get_queue(VirtIODevice *vdev, int n)
{
return vdev->vq + n;