Re: [RFC PATCH v5 02/26] vhost: Fix last queue index of devices with no cvq
From: Juan Quintela <hidden>
Date: 2021-11-02 07:41:25
Also in:
qemu-devel
Eugenio Pérez [off-list ref] wrote:
The -1 assumes that all devices with no cvq have an spare vq allocated
for them, but with no offer of VIRTIO_NET_F_CTRL_VQ. This may not be the
case, and the device may have a pair number of queues.
To fix this, just resort to the lower even number of queues.
Fixes: 049eb15b5fc9 ("vhost: record the last virtqueue index for the
virtio device")
Signed-off-by: Eugenio Pérez <eperezma@redhat.com>Reviewed-by: Juan Quintela <redacted> _______________________________________________ Virtualization mailing list Virtualization@lists.linux-foundation.org https://lists.linuxfoundation.org/mailman/listinfo/virtualization