Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1752767AbaKXHwQ (ORCPT ); Mon, 24 Nov 2014 02:52:16 -0500 Received: from userp1040.oracle.com ([156.151.31.81]:22570 "EHLO userp1040.oracle.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1752176AbaKXHwP (ORCPT ); Mon, 24 Nov 2014 02:52:15 -0500 From: Ethan Zhao To: linda.knippers@hp.com, viresh.kumar@linaro.org, rjw@rjwysocki.net, corbet@lwn.net, dirk.j.brandewie@intel.com Cc: linux-doc@vger.kernel.org, linux-pm@vger.kernel.org, linux-kernel@vger.kernel.org, ethan.kernel@gmail.com, Ethan Zhao Subject: [PATCH 0/2 v2] intel_pstate: skip this driver if hit Sun X86 servers Date: Mon, 24 Nov 2014 16:50:56 +0900 Message-Id: <1416815458-25312-1-git-send-email-ethan.zhao@oracle.com> X-Mailer: git-send-email 1.8.3.1 X-Source-IP: ucsinet21.oracle.com [156.151.31.93] Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org 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. -- 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 | 24 ++++++++++++++++++++++++ 2 files changed, 27 insertions(+) -- 1.8.3.1 -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/