[Qemu-devel] Re: [PATCH v5 00/17] virtio-serial fixes, new abi for port discovery, flow control

[Juan Quintela]

Amit Shah <address@hidden> wrote:
> Hello,
>
> These patches rework the way ports are announced to the guests. A
> control message is used to let the guest know a new port is
> added. Initial port discovery and port hot-plug work via this way now.
>
> This was done to have the host and guest port numbering in sync to
> avoid surprises after several hotplug/unplug operations and
> migrations.
>
> The ability to assign a particular port number to ports is also added
> so that management software can control the placement of ports.
>
> This iteration fixes a few things Juan pointed out.
>
> Juan and Gerd have already acked v4 of the patch series, from which it
> remains largely unchanged.
>
> Differences from v4:
> - Juan: qemu_free() handles NULL fine
>
> - Juan: Send ports_map as an array of u32s instead of as a buffer
>   (big/little endian issues)
>
> - Juan: iov should be compiled only once (nothing target-specific)
>
> - A few fixes from the other submission: discard piled up buffers in
>   the vq after port close or hot-unplug.

Acked-by: Juan Quintela <address@hidden>