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Re: [Xen-devel] [PATCH] ioemu: drop unused 4MB video memory

To: Keir Fraser <keir.fraser@xxxxxxxxxxxxx>
Subject: Re: [Xen-devel] [PATCH] ioemu: drop unused 4MB video memory
From: Samuel Thibault <samuel.thibault@xxxxxxxxxxxxx>
Date: Mon, 14 Jul 2008 11:49:33 +0100
Cc: xen-devel@xxxxxxxxxxxxxxxxxxx, Ian Jackson <Ian.Jackson@xxxxxxxxxxxxx>
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Keir Fraser, le Mon 14 Jul 2008 11:42:35 +0100, a écrit :
> On 14/7/08 11:40, "Samuel Thibault" <samuel.thibault@xxxxxxxxxxxxx> wrote:
> 
> >>  * What about save/restore ?
> > 
> > Ah, right, we need a compatibility version for that, I'll work on it.
> 
> What's the compatibility problem? Is VGA_RAM_SIZE baked into the qemu save
> image for some reason?

The video memory is currently written by qemu yes.  Actually, if that
could be moved to libxc it would be some benefit, since that's a penalty
hit for live migration.

Samuel

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