From mboxrd@z Thu Jan 1 00:00:00 1970 From: Thomas Monjalon Subject: Re: [PATCH v3] libs/power: add p-state driver compatibility Date: Wed, 19 Dec 2018 21:31:32 +0100 Message-ID: <1867163.ZjDIE9iX7y@xps> References: <1544786028-10138-1-git-send-email-liang.j.ma@intel.com> <2602247.RKfj1taVKr@xps> <96158e0f-6454-2e5c-f843-cb91221ed304@intel.com> Mime-Version: 1.0 Content-Type: text/plain; charset="UTF-8" Content-Transfer-Encoding: quoted-printable Cc: dev@dpdk.org, anatoly.burakov@intel.com To: "Hunt, David" , Liang Ma Return-path: Received: from out1-smtp.messagingengine.com (out1-smtp.messagingengine.com [66.111.4.25]) by dpdk.org (Postfix) with ESMTP id BBC881B5BB for ; Wed, 19 Dec 2018 21:31:34 +0100 (CET) In-Reply-To: <96158e0f-6454-2e5c-f843-cb91221ed304@intel.com> List-Id: DPDK patches and discussions List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Errors-To: dev-bounces@dpdk.org Sender: "dev" 19/12/2018 10:09, Hunt, David: > On 19/12/2018 3:18 AM, Thomas Monjalon wrote: > > 14/12/2018 14:11, Liang Ma: > >> Previously, in order to use the power library, it was necessary > >> for the user to disable the intel_pstate driver by adding > >> =E2=80=9Cintel_pstate=3Ddisable=E2=80=9D to the kernel command line fo= r 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 > >> > >> Reviewed-by: Anatoly Burakov > >> --- > > Please write a changelog when sending a new version. > > > > Dave, any comment on this patch? >=20 >=20 > Looks good to me. >=20 > Acked-by: David Hunt >=20 >=20 > >> --- /dev/null > >> +++ b/lib/librte_power/power_pstate_cpufreq.c > >> @@ -0,0 +1,770 @@ > >> +/* SPDX-License-Identifier: BSD-3-Clause > >> + * Copyright(c) 2018-2018 Intel Corporation > > Something wrong here :) >=20 > Yes, should simply be "Copyright(c) 2018 Intel Corporation" There is also a compilation error with meson: lib/librte_power/rte_power_empty_poll.h:20:10: fatal error: rte_timer.h: No such file or directory Clearly, some quality checks are missing. I'm afraid we won't have any patch for power library in 19.02.