linux-kernel - Re: [PATCH] - Mapping ACPI tables as CACHED

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Date:	Tue, 14 Dec 2010 20:27:35 -0600
From:	Jack Steiner <steiner@....com>
To:	"H. Peter Anvin" <hpa@...or.com>
Cc:	lenb@...nel.org, hmh@....eng.br, tony.luck@...il.com,
	linux-acpi@...r.kernel.org, linux-kernel@...r.kernel.org,
	gbeshers@....com
Subject: Re: [PATCH] - Mapping ACPI tables as CACHED

On Tue, Dec 14, 2010 at 02:58:42PM -0800, H. Peter Anvin wrote:
> On 12/14/2010 02:09 PM, Jack Steiner wrote:
> > Map ACPI tables as WB on x86_64. No substantive changes to IA64.
> 
> Why just x86-64?

We never observed a performance problem on IA64. Not sure if it maps
ACPI space as WB or not. Since I did not have easy access to
an ia64, I chose not to make any changes to the way it maps
the table.

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