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SubjectRe: Regression in IO resource allocation
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On Tue, May 31, 2016 at 11:42 PM, Roland Dreier <roland@purestorage.com> wrote:
> On Tue, May 31, 2016 at 2:11 PM, Rafael J. Wysocki <rjw@rjwysocki.net> wrote:
>> Can you please try the appended patch (untested)?
>
> Thanks for the quick reply. Patch looks OK on my system... it boots
> (which is very good :) and I see
>
> system 00:01: [io 0x0400-0x047f] has been reserved
>
> however I don't see the "ACPI CPU throttle" region reserved in
> /proc/ioports... haven't debugged why acpi_processor_get_throttling()
> isn't getting called or what is happening yet.
>
> Will dig a bit deeper and let you know.

It may not be called at all if _PTC is used on that system, for example.

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