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

[Samuel Thibault <samuel.thibault@xxxxxxxxxxxxx>]

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@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, 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

_______________________________________________
Xen-devel mailing list
Xen-devel@xxxxxxxxxxxxxxxxxxx
http://lists.xensource.com/xen-devel