linux-kernel - Re: [PATCH] virtio_console: Add support for multiple ports for generic guest and host communication

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Message-ID: <20090921110638.02a2e3e1@linux.intel.com>
Date:	Mon, 21 Sep 2009 11:06:38 +0100
From:	Alan Cox <alan@...ux.intel.com>
To:	Anthony Liguori <anthony@...emonkey.ws>
Cc:	Amit Shah <amit.shah@...hat.com>, rusty@...tcorp.com.au,
	virtualization@...ts.linux-foundation.org,
	linux-kernel@...r.kernel.org
Subject: Re: [PATCH] virtio_console: Add support for multiple ports for
 generic guest and host communication

> Again, this is paravirtual serial device and I think it's entirely 
> reasonable for people to hook up these ports in the guest directly to 
> physical serial devices in the host.

virtio doesn't support all those features.

> I fail to see how this is at all relevant.  This is a virtual
> machine, we're presenting virtual hardware that behaves like a serial
> device.

The more important question is what you are using it for, and when you
ask that question it looks remarkably unlike a tty or serial port and
rather more like a message and status passing bus ?
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