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Re: [Xen-devel] Re: [PATCH 4/5] xen: Fix the memory registration to reflect of what is done by Xen.

On Fri, 15 Jul 2011, Anthony PERARD wrote:
> On Fri, Jul 15, 2011 at 18:05, Stefano Stabellini
> <stefano.stabellini@xxxxxxxxxxxxx> wrote:
> > Shouldn't we avoid registering any memory for the whole video ram area?
> > I mean:
> >
> > 0xa0000 - 0x100000
> No, because SeaBIOS load the Options ROM (VGA Bios, PXE) to the area
> between 0xc0000 and 0x100000, and this go through QEMU.
> The area between 0xa0000 and 0xc0000 is registred later by the
> cirrus_vga bits, as IO.

OK. Can you please expand your comment in the code with the same

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