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Re: [Qemu-devel] Re: virtio-serial: An interface for host-guest communic

From: Anthony Liguori
Subject: Re: [Qemu-devel] Re: virtio-serial: An interface for host-guest communication
Date: Mon, 10 Aug 2009 08:02:51 -0500
User-agent: Thunderbird (X11/20090320)

Gerd Hoffmann wrote:

There are some other problems with usb too: It's not transparent to
users. Any hotplug event could alert users and that's not desired. It's
a system-only thing and should also remain that way.

I think virtio-serial is the better way to handle vmchannel. Unlike usb virtio is designed to work nicely in a virtual environment.

But vmchannel-over-usbserial should be easy too though in case some guests lacks virtio backports or something.

I think you're missing my fundamental point. Don't use the kernel as the guest interface.

Introduce a userspace daemon that exposes a domain socket. Then we can have a proper protocol that uses reverse fqdns for identification.

We can do the backend over TCP/IP, usb, standard serial, etc.


Anthony Liguori

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