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Date: Thu, 6 Jun 2013 20:35:48 +0100
From: Matthew Garrett <mjg59@srcf.ucam.org>
To: Borislav Petkov <bp@alien8.de>
Cc: Matt Fleming <matt@console-pimps.org>,
        Linux EFI <linux-efi@vger.kernel.org>, Jiri Kosina <jkosina@suse.cz>,
        X86-ML <x86@kernel.org>, LKML <linux-kernel@vger.kernel.org>,
        Borislav Petkov <bp@suse.de>
Subject: Re: [PATCH 3/4] x86, efi: Add an efi= kernel command line parameter
Message-ID: <20130606193548.GA2946@srcf.ucam.org>
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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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