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authorEugenio Pérez <eperezma@redhat.com>2023-03-03 18:24:33 +0100
committerMichael S. Tsirkin <mst@redhat.com>2023-03-07 12:38:59 -0500
commitb2765243863cf93d2bab1a1c2e14d6dc61981a6b (patch)
treedfb43609b277290b137fe11208fe87e7ab62478d /hw
parent00ef422e9fbfef1fb40447b08826db0951d788dd (diff)
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vdpa: Remember last call fd set
As SVQ can be enabled dynamically at any time, it needs to store call fd always. Signed-off-by: Eugenio Pérez <eperezma@redhat.com> Message-Id: <20230303172445.1089785-3-eperezma@redhat.com> Tested-by: Lei Yang <leiyang@redhat.com> Reviewed-by: Michael S. Tsirkin <mst@redhat.com> Signed-off-by: Michael S. Tsirkin <mst@redhat.com>
Diffstat (limited to 'hw')
-rw-r--r--hw/virtio/vhost-vdpa.c12
1 files changed, 6 insertions, 6 deletions
diff --git a/hw/virtio/vhost-vdpa.c b/hw/virtio/vhost-vdpa.c
index df3a1e9..108cd63 100644
--- a/hw/virtio/vhost-vdpa.c
+++ b/hw/virtio/vhost-vdpa.c
@@ -1227,16 +1227,16 @@ static int vhost_vdpa_set_vring_call(struct vhost_dev *dev,
struct vhost_vring_file *file)
{
struct vhost_vdpa *v = dev->opaque;
+ int vdpa_idx = file->index - dev->vq_index;
+ VhostShadowVirtqueue *svq = g_ptr_array_index(v->shadow_vqs, vdpa_idx);
+ /* Remember last call fd because we can switch to SVQ anytime. */
+ vhost_svq_set_svq_call_fd(svq, file->fd);
if (v->shadow_vqs_enabled) {
- int vdpa_idx = file->index - dev->vq_index;
- VhostShadowVirtqueue *svq = g_ptr_array_index(v->shadow_vqs, vdpa_idx);
-
- vhost_svq_set_svq_call_fd(svq, file->fd);
return 0;
- } else {
- return vhost_vdpa_set_vring_dev_call(dev, file);
}
+
+ return vhost_vdpa_set_vring_dev_call(dev, file);
}
static int vhost_vdpa_get_features(struct vhost_dev *dev,