From mboxrd@z Thu Jan 1 00:00:00 1970 From: Samuel Thibault Subject: Re: [PATCH] ioemu: drop unused 4MB video memory Date: Mon, 14 Jul 2008 12:09:03 +0100 Message-ID: <20080714110903.GI4466@implementation.uk.xensource.com> References: <20080714104012.GG4466@implementation.uk.xensource.com> <20080714104933.GH4466@implementation.uk.xensource.com> Mime-Version: 1.0 Content-Type: text/plain; charset=iso-8859-1 Content-Transfer-Encoding: quoted-printable Return-path: Content-Disposition: inline In-Reply-To: <20080714104933.GH4466@implementation.uk.xensource.com> List-Unsubscribe: , List-Post: List-Help: List-Subscribe: , Sender: xen-devel-bounces@lists.xensource.com Errors-To: xen-devel-bounces@lists.xensource.com To: Keir Fraser , Ian Jackson , xen-devel@lists.xensource.com List-Id: xen-devel@lists.xenproject.org Samuel Thibault, le Mon 14 Jul 2008 11:49:33 +0100, a =E9crit : > Keir Fraser, le Mon 14 Jul 2008 11:42:35 +0100, a =E9crit : > > On 14/7/08 11:40, "Samuel Thibault" w= rote: > >=20 > > >> * What about save/restore ? > > >=20 > > > Ah, right, we need a compatibility version for that, I'll work on i= t. > >=20 > > What's the compatibility problem? Is VGA_RAM_SIZE baked into the qemu= save > > image for some reason? >=20 > 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