linux-kernel - Re: [PATCH -v2 08/13] x86: if kernel .text .data .bss are not marked as E820

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Date:	Mon, 3 Sep 2012 08:31:43 +0300
From:	Pekka Enberg <penberg@...nel.org>
To:	Yinghai Lu <yinghai@...nel.org>
Cc:	Thomas Gleixner <tglx@...utronix.de>, Ingo Molnar <mingo@...e.hu>,
	"H. Peter Anvin" <hpa@...or.com>, Jacob Shin <jacob.shin@....com>,
	Tejun Heo <tj@...nel.org>, linux-kernel@...r.kernel.org
Subject: Re: [PATCH -v2 08/13] x86: if kernel .text .data .bss are not marked
 as E820_RAM, complain and fix

On Sun, Sep 2, 2012 at 10:46 AM, Yinghai Lu <yinghai@...nel.org> wrote:
> From: Jacob Shin <jacob.shin@....com>
>
> There could be cases where user supplied memmap=exactmap memory
> mappings do not mark the region where the kernel .text .data and
> .bss reside as E820_RAM, as reported here:
>
> https://lkml.org/lkml/2012/8/14/86
>
> Handle it by complaining, and adding the range back into the e820.
>
> Signed-off-by: Jacob Shin <jacob.shin@....com>

This should have Yinghai's sign-off and the warning could be less cryptic.

As for the fix itself:

Reviewed-by: Pekka Enberg <penberg@...nel.org>
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