From mboxrd@z Thu Jan 1 00:00:00 1970 From: "Burakov, Anatoly" Subject: Re: [PATCH v2] libs/power: add p-state driver compatibility Date: Fri, 14 Dec 2018 12:20:07 +0000 Message-ID: References: <1542972781-6149-1-git-send-email-liang.j.ma@intel.com> <1544786028-10138-1-git-send-email-liang.j.ma@intel.com> Mime-Version: 1.0 Content-Type: text/plain; charset=utf-8; format=flowed Content-Transfer-Encoding: 8bit Cc: dev@dpdk.org To: Liang Ma , david.hunt@intel.com Return-path: Received: from mga04.intel.com (mga04.intel.com [192.55.52.120]) by dpdk.org (Postfix) with ESMTP id 079BC4C74 for ; Fri, 14 Dec 2018 13:20:09 +0100 (CET) In-Reply-To: <1544786028-10138-1-git-send-email-liang.j.ma@intel.com> Content-Language: en-US List-Id: DPDK patches and discussions List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Errors-To: dev-bounces@dpdk.org Sender: "dev" On 14-Dec-18 11:13 AM, Liang Ma wrote: > Previously, in order to use the power library, it was necessary > for the user to disable the intel_pstate driver by adding > “intel_pstate=disable” to the kernel command line for the system, > which causes the acpi_cpufreq driver to be loaded in its place. > > This patch adds the ability for the power library use the intel-pstate > driver. > > It adds a new suite of functions behind the current power library API, > and will seamlessly set up the user facing API function pointers to > the relevant functions depending on whether the system is running with > acpi_cpufreq kernel driver, intel_pstate kernel driver or in a guest, > using kvm. The library API and ABI is unchanged. > > Signed-off-by: Liang Ma > --- > sources = files('rte_power.c', 'power_acpi_cpufreq.c', > 'power_kvm_vm.c', 'guest_channel.c', > - 'rte_power_empty_poll.c') > + 'rte_power_empty_poll.c', > + 'power_pstate_cpufreq.c') > headers = files('rte_power.h','rte_power_empty_poll.h') > -deps += ['timer'] > diff --git a/lib/librte_power/power_pstate_cpufreq.c b/lib/librte_power/power_pstate_cpufreq.c > new file mode 100644 > index 0000000..1711484 > --- /dev/null > +++ b/lib/librte_power/power_pstate_cpufreq.c > @@ -0,0 +1,770 @@ > +/* SPDX-License-Identifier: BSD-3-Clause > + * Copyright(c) 2010-2018 Intel Corporation Like i said in comments to previous revision, copyright date here is wrong - you're creating a new file. This file wasn't created in 2010. It should just say "2018". Other than that, LGTM Reviewed-by: Anatoly Burakov -- Thanks, Anatoly