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Date: Sun, 27 Sep 2015 19:06:33 +0100
From: Matthew Garrett <mjg59@srcf.ucam.org>
To: Andy Lutomirski <luto@amacapital.net>
Cc: "H. Peter Anvin" <hpa@zytor.com>,
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Subject: Re: [PATCH 1/2] x86/efi: Map EFI memmap entries in-order at runtime
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On Sun, Sep 27, 2015 at 09:30:48AM -0700, Andy Lutomirski wrote:
> On Sep 26, 2015 1:19 PM, "H. Peter Anvin" <hpa@zytor.com> wrote:
> >
> > Sadly a lot of firmware is known to fail in that configuration :(  That was very much our guest choice.
> >
> 
> Why can't we map everything completely 1:1 (VA = PA) and call the
> setVA thing but pass it literally the identity.

Last time I tried this I found that some firmware makes assumptions 
about having high addresses.

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