linux-kernel - Re: [RFC] [PATCH] Allow empty e820 map if EFI map will be provided later.

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Date:	Wed, 2 Jun 2010 09:24:04 -0700
From:	Bill Richardson <wfrichar@...omium.org>
To:	"H. Peter Anvin" <hpa@...or.com>
Cc:	tglx@...utronix.de, mingo@...hat.com, x86@...nel.org,
	akpm@...ux-foundation.org, fweisbec@...il.com, yinghai@...nel.org,
	pavel@....cz, shane.wang@...el.com, linux-kernel@...r.kernel.org,
	olofj@...omium.org, msb@...omium.org, drewry@...omium.org
Subject: Re: [RFC] [PATCH] Allow empty e820 map if EFI map will be provided 
	later.

On Wed, Jun 2, 2010 at 9:14 AM, H. Peter Anvin <hpa@...or.com> wrote:
>
> No!  Bloody **** hell no!

Heh. Well, that answers that.


> This was settled in 2007 -- it is the boot loaders duty to provide a memory map.  The fact that we allowed a
> hack in to let the kernel itself add additional ranges from EFI has proven to be an utter mistake, and this is
> yet another example of it.

Ah. With that hint, I've now found some of the original discussion.
Sorry I missed it before. Having dealt with EFI for some weeks now, I
can't say I find your reaction overstated.

Thanks for the quick response.

Bill
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