linux-kernel - Re: [PATCH 2/4] x86: ioremap: fix physical address check

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Message-ID: <4C164D7C.4010500@zytor.com>
Date:	Mon, 14 Jun 2010 08:40:44 -0700
From:	"H. Peter Anvin" <hpa@...or.com>
To:	Kenji Kaneshige <kaneshige.kenji@...fujitsu.com>
CC:	"Maciej W. Rozycki" <macro@...ux-mips.org>,
	Thomas Gleixner <tglx@...utronix.de>,
	Ingo Molnar <mingo@...hat.com>, linux-kernel@...r.kernel.org,
	linux-pci@...r.kernel.org, jbarnes@...tuousgeek.org
Subject: Re: [PATCH 2/4] x86: ioremap: fix physical address check

On 06/14/2010 02:02 AM, Kenji Kaneshige wrote:
> 
> Now I guess there is a bug that doesn't handle physical address
> higher than 32-bit properly somewhere...
> 

More than one bug, almost certainly.

Note that all this applies to PAE mode.  Non-PAE mode has a 32-bit
limit, period.

	-hpa

-- 
H. Peter Anvin, Intel Open Source Technology Center
I work for Intel.  I don't speak on their behalf.

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