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vdpa: fix VHOST_BACKEND_F_IOTLB_ASID flag check 

VHOST_BACKEND_F_IOTLB_ASID is the feature bit, not the bitmask. Since
the device under test also provided VHOST_BACKEND_F_IOTLB_MSG_V2 and
VHOST_BACKEND_F_IOTLB_BATCH, this went unnoticed.

Fixes: c1a1008685 ("vdpa: always start CVQ in SVQ mode if possible")
Signed-off-by: Eugenio Pérez <eperezma@redhat.com>
Reviewed-by: Michael S. Tsirkin <mst@redhat.com>
Acked-by: Jason Wang <jasowang@redhat.com>
Signed-off-by: Jason Wang <jasowang@redhat.com>
This commit is contained in:
Eugenio Pérez 2023-01-17 11:53:08 +01:00 committed by Jason Wang
parent 148fbf0d58
commit 525ae11522
1 changed files with 1 additions and 1 deletions
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2
net/vhost-vdpa.c
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@ -384,7 +384,7 @@ static int vhost_vdpa_net_cvq_start(NetClientState *nc)
g_strerror(errno), errno);
return -1;
}
if (!(backend_features & VHOST_BACKEND_F_IOTLB_ASID) ||
if (!(backend_features & BIT_ULL(VHOST_BACKEND_F_IOTLB_ASID)) ||
!vhost_vdpa_net_valid_svq_features(v->dev->features, NULL)) {
return 0;
}