Re: [PATCH 1/2] Remove EFI memmap quirk for UV

From	Alex Thorlton <athorlton@sgi.com>
Newsgroups	linux.kernel
Subject	Re: [PATCH 1/2] Remove EFI memmap quirk for UV
Date	2015-11-18 18:10 +0100
Message-ID	<qwep5-5SC-25@gated-at.bofh.it> (permalink)
References	<qvwem-1Xe-15@gated-at.bofh.it> <qvUgG-Qn-19@gated-at.bofh.it> <qw0cp-4zs-5@gated-at.bofh.it> <qw5Yu-fd-17@gated-at.bofh.it> <qw7dT-10j-15@gated-at.bofh.it>
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On Wed, Nov 18, 2015 at 10:23:16AM +0100, Borislav Petkov wrote:
> On Wed, Nov 18, 2015 at 09:00:47AM +0100, Ingo Molnar wrote:
> > We should at least check the BIOS version via a DMI quirk and panic in some nicely 
> > informative 'upgrade your BIOS!' way to ease the transition ...
> 
> Or since we're touching BIOS anyway, maybe stick a bit somewhere which
> says "EFI is fixed/quirk not needed anymore" when set and software can
> check that bit instead of checking BIOS versions...

After talking through this with Russ, we agree that we should fix this
up to play nice on UV1, without users needing to add the memmap quirk to
the command line.  I'll figure out which check we need to make and spin
another version.

Thanks for looking over this, guys!

- Alex
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[PATCH 1/2] Remove EFI memmap quirk for UV Alex Thorlton <athorlton@sgi.com> - 2015-11-16 19:10 +0100
  Re: [PATCH 1/2] Remove EFI memmap quirk for UV Thomas Gleixner <tglx@linutronix.de> - 2015-11-16 19:10 +0100
    Re: [PATCH 1/2] Remove EFI memmap quirk for UV Matt Fleming <matt@codeblueprint.co.uk> - 2015-11-17 11:00 +0100
      Re: [PATCH 1/2] Remove EFI memmap quirk for UV Alex Thorlton <athorlton@sgi.com> - 2015-11-17 19:30 +0100
  Re: [PATCH 1/2] Remove EFI memmap quirk for UV Borislav Petkov <bp@alien8.de> - 2015-11-17 20:40 +0100
    Re: [PATCH 1/2] Remove EFI memmap quirk for UV Alex Thorlton <athorlton@sgi.com> - 2015-11-18 03:00 +0100
      Re: [PATCH 1/2] Remove EFI memmap quirk for UV Ingo Molnar <mingo@kernel.org> - 2015-11-18 09:10 +0100
        Re: [PATCH 1/2] Remove EFI memmap quirk for UV Borislav Petkov <bp@alien8.de> - 2015-11-18 10:30 +0100
          Re: [PATCH 1/2] Remove EFI memmap quirk for UV Alex Thorlton <athorlton@sgi.com> - 2015-11-18 18:10 +0100

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