linux-kernel - Re: [Patch 1/1] x86 efi: Fill all reserved memmap entries if add_efi

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Message-ID: <4BFC53FF.1030106@zytor.com>
Date:	Tue, 25 May 2010 15:49:35 -0700
From:	"H. Peter Anvin" <hpa@...or.com>
To:	Mike Travis <travis@....com>
CC:	Yinghai <yinghai.lu@...cle.com>, Ingo Molnar <mingo@...e.hu>,
	Thomas Gleixner <tglx@...utronix.de>, x86@...nel.org,
	Suresh Siddha <suresh.b.siddha@...el.com>,
	Rusty Russell <rusty@...tcorp.com.au>,
	Jens Axboe <jens.axboe@...cle.com>,
	Jack Steiner <steiner@....com>,
	LKML <linux-kernel@...r.kernel.org>, jkosina@...ell.com
Subject: Re: [Patch 1/1] x86 efi: Fill all reserved memmap entries if add_efi_memmap
 specified.

On 05/25/2010 03:46 PM, Mike Travis wrote:
> 
> I wondered about that. Sanitize seems to remove adjacent
> entries, etc. making the map smaller, but I couldn't detect
> any real differences (though admittedly I didn't do a byte
> by byte comparison.)
> 
> But I'll submit another with that call removed.
> 

Sanitize in particular tries to make sense of an otherwise-messed-up
map.  This means that if we find a system where it does something
broken, we don't have a way to get the raw data to check what it did!

	-hpa
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