Re: linux-next: Tree for August 14 (sysfs/acpi errors)

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On Sunday 17 August 2008 12:30:34 Andi Kleen wrote:
> Greg KH wrote:
> > On Sat, Aug 16, 2008 at 05:48:26AM +0200, Andi Kleen wrote:
> >>> They have been module options, not prefixed kernel parameters so far,
> >>> and the prefix was just the module name.
> >>> So it just strikes back, that acpi uses generic names for the modules,
> >>> there would have been no problem if "power" would be called
> >>> "acpi_power" and the options would just be "acpi.acpica_version" and
> >>> "acpi_power.nocheck".
> >>> But well, there are driver modules just called "option", so acpi is not
> >>> that bad. :)
> >>>
> >>>> I think the generic params code should be fixed to handle this.
> >>>
> >>> We could try to look up existing directories to use instead of
> >>> expecting that we need to create and own them. I guess,
> >>
> >> sysfs does this anyways, doesn't it. We would just need to teach it
> >> to not BUG() in this case, perhaps with a special entry point.
> >> Also a BUG() in general seems a little harsh for this, surely a WARN_ON
> >> should be enough.
> >
> > It is a WARN() call, not a BUG().
>
> Ok. Can we remove it? Or add a new entry point that allows to disable it?
>
> I don't think relying on link order like Rusty proposes is a good long term
> solution.

To be clear, I agree with Andi.  If this is for current kernel I'd just fix 
link order, for longer term we need something cleverer.

Cheers,
Rusty.
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