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

From: Juan Quintela
Subject: [Qemu-devel] Re: [PATCH v5 00/17] virtio-serial fixes, new abi for port discovery, flow control
Date: Wed, 14 Apr 2010 09:48:59 +0200
User-agent: Gnus/5.13 (Gnus v5.13) Emacs/23.1 (gnu/linux)

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>

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