linux-kernel - Re: [patch 1/2] libata:

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Message-ID: <20061009114150.GA32716@suse.de>
Date:	Mon, 9 Oct 2006 13:41:50 +0200
From:	Stefan Seyfried <seife@...e.de>
To:	Kristen Carlson Accardi <kristen.c.accardi@...el.com>
Cc:	linux-kernel@...r.kernel.org, rdunlap@...otime.net,
	jgarzik@...ox.com, linux-ide@...r.kernel.org
Subject: Re: [patch 1/2] libata: _GTF support

On Wed, Sep 27, 2006 at 03:36:27PM -0700, Kristen Carlson Accardi wrote:
> _GTF is an acpi method that is used to reinitialize the drive.  It returns
> a task file containing ata commands that are sent back to the drive to restore
> it to boot up defaults.
> 
> Signed-off-by: Kristen Carlson Accardi <kristen.c.accardi@...el.com>
> 
> ---
>  Documentation/kernel-parameters.txt |    5 
 
> --- 2.6-mm.orig/Documentation/kernel-parameters.txt
> +++ 2.6-mm/Documentation/kernel-parameters.txt
> @@ -48,6 +48,7 @@ parameter is applicable:
>  	ISAPNP	ISA PnP code is enabled.
>  	ISDN	Appropriate ISDN support is enabled.
>  	JOY	Appropriate joystick support is enabled.
> +	LIBATA  Libata driver is enabled
>  	LP	Printer support is enabled.
>  	LOOP	Loopback device support is enabled.
>  	M68k	M68k architecture is enabled.
> @@ -1013,6 +1014,10 @@ and is between 256 and 4096 characters. 
>  			emulation library even if a 387 maths coprocessor
>  			is present.
>  
> +	noacpi		[LIBATA] Disables use of ACPI in libata suspend/resume
> +			when set.
> +			Format: <int>

this will confuse users that already think they can disable ACPI with "noacpi"
(instead of "acpi=off") and that already fight with "noapic". I have seen too
many confusions of this kind in bugreports.

Couldn't it be made "libata=noacpi" like we have "pci=noacpi" already?
-- 
Stefan Seyfried
QA / R&D Team Mobile Devices        |              "Any ideas, John?"
SUSE LINUX Products GmbH, Nürnberg  | "Well, surrounding them's out." 
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