From: Samuel Thibault <samuel.thibault@eu.citrix.com>
To: Keir Fraser <keir.fraser@eu.citrix.com>,
Ian Jackson <Ian.Jackson@eu.citrix.com>,
xen-devel@lists.xensource.com
Subject: Re: [PATCH] ioemu: drop unused 4MB video memory
Date: Mon, 14 Jul 2008 12:09:03 +0100 [thread overview]
Message-ID: <20080714110903.GI4466@implementation.uk.xensource.com> (raw)
In-Reply-To: <20080714104933.GH4466@implementation.uk.xensource.com>
Samuel Thibault, le Mon 14 Jul 2008 11:49:33 +0100, a écrit :
> Keir Fraser, le Mon 14 Jul 2008 11:42:35 +0100, a écrit :
> > On 14/7/08 11:40, "Samuel Thibault" <samuel.thibault@eu.citrix.com> 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, the problem is also that everything (including qemu's dirty
bitmap) gets initialized to 4MB before the load, and it'd be clumsy to
plumb a reallocation. Bummer. It'd be simpler to just go expense these
4MB.
Samuel
next prev parent reply other threads:[~2008-07-14 11:09 UTC|newest]
Thread overview: 12+ messages / expand[flat|nested] mbox.gz Atom feed top
2008-07-10 16:18 [PATCH] ioemu: drop unused 4MB video memory Samuel Thibault
2008-07-14 9:35 ` Ian Jackson
2008-07-14 9:35 ` Ian Jackson
2008-07-14 10:40 ` Samuel Thibault
2008-07-14 10:42 ` Keir Fraser
2008-07-14 10:49 ` Samuel Thibault
2008-07-14 11:09 ` Samuel Thibault [this message]
2008-07-14 11:40 ` Trolle Selander
2008-07-14 11:46 ` Samuel Thibault
2008-07-14 12:53 ` Ian Jackson
2008-07-14 12:58 ` Samuel Thibault
2008-07-14 13:47 ` Ian Jackson
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