linux-kernel - Re: [PATCH -mm] MMCONFIG: Fix x86_64 ioremap base

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Message-Id: <1166869244.3281.590.camel@laptopd505.fenrus.org>
Date:	Sat, 23 Dec 2006 11:20:44 +0100
From:	Arjan van de Ven <arjan@...radead.org>
To:	OGAWA Hirofumi <hogawa@...aclelinux.com>
Cc:	Andrew Morton <akpm@...l.org>, linux-kernel@...r.kernel.org,
	OGAWA Hirofumi <hirofumi@...l.parknet.co.jp>
Subject: Re: [PATCH -mm] MMCONFIG: Fix x86_64 ioremap base_address

On Sat, 2006-12-23 at 10:02 +0900, OGAWA Hirofumi wrote:
> Current -mm's mmconfig has some problems of remapped range.
> 
> a) In the case of broken MCFG tables on Asus etc., we need to remap
> 256M range, but currently only remap 1M.


Hi,

I respectfully disagree. If the MCFG table is broken, we should not use
it AT ALL. It's either a correct table, and we can use it, or it's so
broken that we know it never has been tested etc etc, we're just better
of to not trust it in that case.

Greetings,
   Arjan van de Ven

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