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SubjectRe: [PATCH V2] Change ACPI IPMI support to "default y"
On Tue, Feb 18, 2014 at 11:28:29AM -0500, 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.

Could you be more specific? Is the problem kernel code
trying to use IPMI functionality before the ipmi_si driver
is loaded? Or something else?

What is the "undesirable system behaviour"?


> Set the default to Y in order to encourage distributions and
> users to configure kernels to avoid awkward surprises.

What are the "awkward surprises"?

Thanks,
--
Russ Anderson, Kernel and Performance Software Team Manager
SGI - Silicon Graphics Inc rja@sgi.com


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