Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1751317AbaKYFA2 (ORCPT ); Tue, 25 Nov 2014 00:00:28 -0500 Received: from userp1040.oracle.com ([156.151.31.81]:46112 "EHLO userp1040.oracle.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1750840AbaKYFA0 (ORCPT ); Tue, 25 Nov 2014 00:00:26 -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 v3]intel_pstate: skip this driver if hit Sun X86 servers Date: Tue, 25 Nov 2014 13:59:36 +0900 Message-Id: <1416891578-14171-1-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 series. Thanks test and review by Linda Knippers and the suggestion,review from Dirk Brandewie . -- 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 -- 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/