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

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Date:	Wed, 28 Jul 2010 14:58:51 -0400 (EDT)
From:	Len Brown <lenb@...nel.org>
To:	Andi Kleen <andi@...stfloor.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@...r.kernel.org" <linux-acpi@...r.kernel.org>,
	"venki@...gle.com" <venki@...gle.com>
Subject: Re: [PATCH] ACPI: create "processor.bm_check_disable" boot param


On Tue, 27 Jul 2010, Andi Kleen wrote:

> > > This needs to be also documented in Documentation/kernel-parameters.txt
> > 
> > I thought about that and decided against it.
> > While we do document some driver specific modparams
> > in kernel-parameters.txt, I do not expect this one to
> > be used that often -- mostly for diagnosis of BIOS bugs.
> > I know of two machines that need it,
> > and both of those machines have a BIOS update
> > or a BIOS update in progress that make it unnecessary.
> 
> I think even obscure parameters should be documented.

Where?

kernel-parameters.txt seems to be mostly about core kernel parameters.
While there are some key driver parameters in there, they
appear to be the exception.

-Len

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