Re: [PATCH v4] acpi: Issue _OSC call for native thermal interrupt handling

From	Linda Knippers <linda.knippers@hpe.com>
Newsgroups	linux.kernel
Subject	Re: [PATCH v4] acpi: Issue _OSC call for native thermal interrupt handling
Date	2016-03-18 16:10 +0100
Message-ID	<re4ch-8fa-3@gated-at.bofh.it> (permalink)
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On 3/17/2016 8:17 PM, Rafael J. Wysocki wrote:
<snip>

>>>>>>> This change introduces a new function
>>>>>>> acpi_early_processor_set_osc(),
>>>>>>> which walks acpi name space and finds acpi processor object and
>>>>>>> set capability via _OSC method to take over thermal LVT.
>>>>>> Does this change just affect Skylake platforms or all platforms?
>>>>> Any platform which has Intel ® Speed Shift Technology (aka HWP)
>>>>> feature present and enabled.
>>
>> Could this be an unexpected change in behavior for platforms
>> with HWP that don't have this bug, assuming they would look at
>> the _OSC CPPP bit?  That's actually my main concern here.
> 
> Do you have any specific platforms in mind or just in general?

It's just general right now but as more HWP server platforms come out,
it may become specific.

-- ljk
> 
> Thanks,
> Rafael
>

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[PATCH v4] acpi: Issue _OSC call for native thermal interrupt handling Srinivas Pandruvada <srinivas.pandruvada@linux.intel.com> - 2016-03-17 19:30 +0100
  Re: [PATCH v4] acpi: Issue _OSC call for native thermal interrupt  handling Linda Knippers <linda.knippers@hpe.com> - 2016-03-17 21:10 +0100
    Re: [PATCH v4] acpi: Issue _OSC call for native thermal interrupt  handling Srinivas Pandruvada <srinivas.pandruvada@linux.intel.com> - 2016-03-17 21:40 +0100
      Re: [PATCH v4] acpi: Issue _OSC call for native thermal interrupt  handling Linda Knippers <linda.knippers@hpe.com> - 2016-03-17 22:00 +0100
        Re: [PATCH v4] acpi: Issue _OSC call for native thermal interrupt  handling Srinivas Pandruvada <srinivas.pandruvada@linux.intel.com> - 2016-03-17 22:20 +0100
          Re: [PATCH v4] acpi: Issue _OSC call for native thermal interrupt  handling Linda Knippers <linda.knippers@hpe.com> - 2016-03-18 00:50 +0100
            Re: [PATCH v4] acpi: Issue _OSC call for native thermal interrupt handling "Rafael J. Wysocki" <rjw@rjwysocki.net> - 2016-03-18 01:20 +0100
              Re: [PATCH v4] acpi: Issue _OSC call for native thermal interrupt  handling Linda Knippers <linda.knippers@hpe.com> - 2016-03-18 16:10 +0100

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