linux-kernel - Re: [PATCH] ACPI: create "processor.bm_check

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Message-ID: <87k4oiiu3x.fsf@basil.nowhere.org>
Date:	Mon, 26 Jul 2010 09:24:02 +0200
From:	Andi Kleen <andi@...stfloor.org>
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>,
	Linux Kernel Mailing List <linux-kernel@...r.kernel.org>,
	"linux-acpi\@vger.kernel.org" <linux-acpi@...r.kernel.org>,
	"venki\@google.com" <venki@...gle.com>
Subject: Re: [PATCH] ACPI: create "processor.bm_check_disable" boot param

Len Brown <lenb@...nel.org> writes:
>
> Note also that an alternative for newer systems
> is to use the intel_idle driver, which always
> ignores BM_STS, relying Linux device drivers
> to register constraints explicitly via PM_QOS.
>
> https://bugzilla.kernel.org/show_bug.cgi?id=15886

Thanks.  I don't fully understand why the check for this option
is in a different place than the register check in the earlier patch? 

This needs to be also documented in Documentation/kernel-parameters.txt

Other than that it looks good.

-Andi
-- 
ak@...ux.intel.com -- Speaking for myself only.
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