linux-kernel - Re: [Xen-devel] [PATCH 7 of 7] x86: always explicitly map acpi memory

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Message-ID: <48C46B83.70704@goop.org>
Date:	Sun, 07 Sep 2008 17:02:11 -0700
From:	Jeremy Fitzhardinge <jeremy@...p.org>
To:	Yinghai Lu <yhlu.kernel@...il.com>
CC:	Ingo Molnar <mingo@...e.hu>,
	Xen Devel <xen-devel@...ts.xensource.com>,
	Andi Kleen <andi@...stfloor.org>, linux-kernel@...r.kernel.org,
	"H. Peter Anvin" <hpa@...or.com>
Subject: Re: [Xen-devel] [PATCH 7 of 7] x86: always explicitly map acpi memory

Yinghai Lu wrote:
> actually,
> case 1: acpi tables near mmio, range, we don't map them from
> 2.6.27-rc1, and it is bigger than max_low_mapped...
> case 2: some strange system put acpi in the middle of RAM... like when
> 8G ram installed, but MMIO is 3.5G, BIOS put acpi tables around 2G..
>   

OK, so what's your conclusion?  Is this change OK or not?

    J
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