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[Qemu-devel] Re: [PATCH] Add VirtIO Frame Buffer Support

From: Avi Kivity
Subject: [Qemu-devel] Re: [PATCH] Add VirtIO Frame Buffer Support
Date: Tue, 03 Nov 2009 08:21:33 +0200
User-agent: Mozilla/5.0 (X11; U; Linux x86_64; en-US; rv: Gecko/20090922 Fedora/3.0-3.9.b4.fc12 Thunderbird/3.0b4

On 11/03/2009 12:09 AM, Alexander Graf wrote:
When we want to create a full VirtIO based machine, we're still missing
graphics output. Fortunately, Linux provides us with most of the frameworks
to render text and everything, we only need to implement a transport.

So this is a frame buffer backend written for VirtIO. Using this and my
patch to qemu, you can use paravirtualized graphics.

What does this do that cirrus and/or vmware-vga don't?

This is especially important on machines that can't do MMIO, as all current
graphics implementations qemu emulates I'm aware of so far fail here.

s390 virtual desktops?

Do not meddle in the internals of kernels, for they are subtle and quick to 

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