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

From: Amit Shah
Subject: Re: [Qemu-devel] Re: virtio-serial: An interface for host-guest communication
Date: Thu, 6 Aug 2009 19:11:03 +0530
User-agent: Mutt/1.5.19 (2009-01-05)

On (Thu) Aug 06 2009 [08:29:40], Anthony Liguori wrote:
> Amit Shah wrote:
>> Sure; but there's been no resistance from anyone from including the
>> virtio-serial device driver so maybe we don't need to discuss that.
> There certainly is from me.  The userspace interface is not reasonable  
> for guest applications to use.

One example that would readily come to mind is dbus. A daemon running on
the guest that reads data off the port and interacts with the desktop by
appropriate dbus commands. All that's needed is a stream of bytes and
virtio-serial provides just that.

Any more complexity could easily be handled in userspace.


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