[PATCH 0/2 v3]intel_pstate: skip this driver if hit Sun X86 servers

[Ethan Zhao]

Oracle Sun servers(X86) have power capping features that work via ACPI _PPC method,
patch No.1 is used to skip this driver if Oracle Sun server and _PPC detected.
Patch No.2 introduces a kernel command line  parameter for those who would like
to enable intel_pstate on Sun X86 servers and be aware of the risk.

Compiled and tested with stable-3.18-rc5 on Oracle Sun server X4-2 series.

Thanks test and review by Linda Knippers <linda.knippers@xxxxxx>
and the suggestion,review from Dirk Brandewie <dirk.j.brandewie@xxxxxxxxx>.
--
v2: fix break HP Proliant issue.
v3: expand the hardware vendor list.

Ethan Zhao (2):
  intel_pstate: skip this driver if Sun server has _PPC method
  intel_pstate: add kernel parameter to enable loading on      Sun X86
    servers.

 Documentation/kernel-parameters.txt |  3 +++
 drivers/cpufreq/intel_pstate.c      | 49 ++++++++++++++++++++++++++++++++++---
 2 files changed, 49 insertions(+), 3 deletions(-)

-- 
1.8.3.1

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