Re: [PATCH V2] Change ACPI IPMI support to "default y"

[Pavel Machek]

On Tue 2014-02-18 23:15:08, Matthew Garrett wrote:
> On Wed, 2014-02-19 at 00:26 +0100, Rafael J. Wysocki wrote:
> > On Tuesday, February 18, 2014 11:28:29 AM Matthew Garrett wrote:
> > > 
> > > The ACPI IPMI driver implements IPMI operation region support for the ACPI
> > > core. Systems that declare ACPI operation regions may reference them at any
> > > time, including during kernel initialisation. These accesses will fail
> > > unless the ACPI IPMI driver is present, and undesirable system behaviour
> > > may result. Set the default to Y in order to encourage distributions and
> > > users to configure kernels to avoid awkward surprises.
> > 
> > Do you have any examples of problems caused by that or is this just theoretical
> > at the moment?
> 
> For example, if you load the ACPI power meter driver before you've
> installed the ACPI IPMI driver you'll typically get failures (most
> vendors implement it via IPMI).

Would the right solution be to implement dependency between power
meter and IMPI?
									Pavel
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