linux-kernel - Re: [RFC - V2] - Mapping ACPI tables as CACHED

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Date:	Wed, 08 Dec 2010 17:27:39 -0800
From:	"H. Peter Anvin" <hpa@...or.com>
To:	Jack Steiner <steiner@....com>
CC:	lenb@...nel.org, hmh@....eng.br, mingo@...e.hu, tglx@...utronix.de,
	tony.luck@...il.com, linux-acpi@...r.kernel.org,
	linux-kernel@...r.kernel.org, gbeshers@....com
Subject: Re: [RFC  - V2] - Mapping ACPI tables as CACHED

On 12/08/2010 01:22 PM, Jack Steiner wrote:
> 
> This patch substantially reduces the time to run ACPIDUMP on a large system:
>  	527 seconds without the patch
>  	  8 seconds with the patch
> 

This is probably the worst possible motivation you can give here.
Bootup time is much more of an issue.

However, this really needs Len's ack.

	-hpa
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