linux-kernel - Re: [PATCH] ACPI: make acpi

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Message-ID: <20100803065514.GE3344@ucw.cz>
Date:	Tue, 3 Aug 2010 08:55:14 +0200
From:	Pavel Machek <pavel@....cz>
To:	Len Brown <lenb@...nel.org>
Cc:	Matthew Garrett <mjg59@...f.ucam.org>,
	"Yu, Luming" <luming.yu@...el.com>,
	Philip Langdale <philipl@...rt.org>,
	Jeff Garrett <jeff@...rrett.org>,
	Andi Kleen <andi@...stfloor.org>,
	Linux Kernel Mailing List <linux-kernel@...r.kernel.org>,
	"linux-acpi@...r.kernel.org" <linux-acpi@...r.kernel.org>,
	"venki@...gle.com" <venki@...gle.com>
Subject: Re: [PATCH] ACPI: make acpi_idle Nehalem-aware

On Wed 2010-07-21 17:31:27, Len Brown wrote:
> From: Len Brown <len.brown@...el.com>
> 
> The BIOS exports deep C-states on modern Intel processors
> as "C3-type" to satisfy various legacy Operating Systems.

Can you elaborate on this? I though the only difference between
C2-type and C3-type is busmastering...

								Pavel

-- 
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