linux-kernel - Re: Ugly patches for stolen reservation

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Message-ID: <51F1C7B4.2010100@zytor.com>
Date:	Thu, 25 Jul 2013 17:49:56 -0700
From:	"H. Peter Anvin" <hpa@...or.com>
To:	Jesse Barnes <jbarnes@...tuousgeek.org>
CC:	Ingo Molnar <mingo@...nel.org>, intel-gfx@...ts.freedesktop.org,
	linux-kernel@...r.kernel.org, mingo@...e.hu, tglx@...utronix.de,
	torvalds@...ux-foundation.org
Subject: Re: Ugly patches for stolen reservation

On 07/25/2013 04:17 PM, Jesse Barnes wrote:
> Well, it's ok if the boot loader writes to this memory, the worst
> that'll happen is you'll see garbage on the screen.  If the boot loader
> tries to do MMIO mapping on top it'll get into trouble... but why would
> it do that?
> 
> Jesse

Much worse: it could be hunting for a place to put the kernel, and put
it there.

	-hpa


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