Re: [PATCH -v2 0/4] EFI 1:1 mapping

Matthew Garrett
2013-06-19T16:05:39Z

On Wed, Jun 19, 2013 at 03:02:25PM +0200, Borislav Petkov wrote:
> On Wed, Jun 19, 2013 at 02:52:43PM +0200, Ingo Molnar wrote:
> > I hope making it a weird boot option is not the end plan, there's
> > little point in _not_ enabling 1:1 mappings by default eventually:
> > the 1:1 mapping is supposed to emulate a "Windows compatible" EFI
> > environment better and is expected to work around certain EFI runtime
> > crashes.
>
> And yet there are the Macs which reportedly cannot stomach this.

I suspect they'll be fine with having a 1:1 map, as long as we pass the
high mappings via SetVirtualAddressMap().

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