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Re: [Qemu-devel] [PATCH V2 5/5] vga-cirrus: Workaround during restore wh


From: Avi Kivity
Subject: Re: [Qemu-devel] [PATCH V2 5/5] vga-cirrus: Workaround during restore when using Xen.
Date: Fri, 06 Jan 2012 14:19:18 +0200
User-agent: Mozilla/5.0 (X11; Linux x86_64; rv:9.0) Gecko/20111222 Thunderbird/9.0

On 01/05/2012 08:49 PM, Jan Kiszka wrote:
> To me this still sounds like a cirrus-only xen workaround that
> nevertheless spreads widely.

It is.

> Again, what speaks against migrating the information Xen needs before
> creating the machine or a single device? That would only introduce a
> generic concept of an (optional) "early", let's call it
> "accelerator-related" vmstate and would allow Xen to deal with all the
> specifics behind the curtain.
>

Adding more concepts, just to work around a bug (and this is really a
bug in the qemu/xen interface) makes it harder to refactor things later on.

-- 
I have a truly marvellous patch that fixes the bug which this
signature is too narrow to contain.




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