linux-kernel - Re: [PATCH] x86_64: change aper valid checking sequence

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Message-ID: <20080128140056.GA27928@elte.hu>
Date:	Mon, 28 Jan 2008 15:00:56 +0100
From:	Ingo Molnar <mingo@...e.hu>
To:	Yinghai Lu <Yinghai.Lu@....COM>
Cc:	Andi Kleen <ak@...e.de>,
	Linux Kernel Mailing List <linux-kernel@...r.kernel.org>,
	Andrew Morton <akpm@...ux-foundation.org>
Subject: Re: [PATCH] x86_64: change aper valid checking sequence


* Yinghai Lu <Yinghai.Lu@....COM> wrote:

> [PATCH] x86_64: change aper valid checking sequence
> 
> old sequence:
> size ==> >4G  ==> point to RAM
> changed to
> >4G ==> point to RAM ==> size
> 
> some bios even leave aper to unclear, so check size at last.
> to avoid reporting that like
> 
> Node 0: Aperture @ 4a42000000 size 32 MB
> Aperture too small (32 MB)
> 
> with patch will get
> 
> Node 0: Aperture @ 4a42000000 size 32 MB
> Aperture beyond 4G. Ignoring.

thanks, applied.

	Ingo
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