linux-kernel - Re: [PATCH] ACPI: add "auto" to acpi_enforce

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Date:	Tue, 10 Feb 2009 16:32:24 +0100
From:	Hans de Goede <hdegoede@...hat.com>
To:	Matthew Garrett <mjg@...hat.com>
CC:	Jean Delvare <khali@...ux-fr.org>, Len Brown <lenb@...nel.org>,
	Luca Tettamanti <kronos.it@...il.com>,
	Thomas Renninger <trenn@...e.de>, linux-acpi@...r.kernel.org,
	linux-kernel@...r.kernel.org
Subject: Re: [PATCH] ACPI: add "auto" to acpi_enforce_resources

Matthew Garrett wrote:
> On Tue, Feb 10, 2009 at 02:57:16PM +0100, Jean Delvare wrote:
> 
  year (I think the info is available, right?) We could
>> default to strict for systems with year >= 2009. This may still prevent
>> users from getting the best out of their system, but at least won't
>> cause a regression for users of older systems where the native driver
>> has been used so far. I know it's not an ideal solution, but ACPI
>> implementations aren't ideal either.
> 
> The problem with this approach is that we still end up with a large 
> number of malfunctioning machines. Really, I don't think there's any way 
> to handle this other than defaulting to strict, letting the default be 
> changed at run and boot time and printing a message when a driver is 
> refused permission to bind. Distributions that want to obtain the 
> previous behaviour can change the default back.
> 

For the record we have changed the default to strict in Fedora's 
development branch, for 2 weeks or so now, including in the recently 
released Fedora 11 release and we've had 0 complaints so far.

Regards,

Hans
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