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SubjectRe: [PATCH 3/4] x86, efi: Add an efi= kernel command line parameter
On Thu, Jun 06, 2013 at 08:51:40PM +0200, Borislav Petkov wrote:
> On Thu, Jun 06, 2013 at 06:50:52PM +0100, Matthew Garrett wrote:
> > On Thu, Jun 06, 2013 at 03:26:03PM +0200, Borislav Petkov wrote:
> >
> > > This would break the Macs, remember?
> >
> > I think the Macs will be fine as long as we're passing the high mappings
> > into SetVirtualAddressMap().
>
> Right, on those we'll fall back to the current mappings and simply not
> have the 1:1 thing.

No, I think that's the wrong thing to do. We should set up the current
mappings and the 1:1 mappings, and pass the current mappings through
SetVirtualAddressMap(). That matches the behaviour of Windows.

--
Matthew Garrett | mjg59@srcf.ucam.org


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