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: Fri, 21 Dec 2018 01:30:24 +0100 Message-ID: <3440914.i2vn9u2s4q@xps> References: <1544786028-10138-1-git-send-email-liang.j.ma@intel.com> <1867163.ZjDIE9iX7y@xps> <546f1cd6-6f02-95ef-008a-d0885f6b53e0@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 4494E1BD4B for ; Fri, 21 Dec 2018 01:30:27 +0100 (CET) In-Reply-To: <546f1cd6-6f02-95ef-008a-d0885f6b53e0@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" 20/12/2018 15:52, Hunt, David: > On 19/12/2018 8:31 PM, Thomas Monjalon wrote: > > 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 = 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-psta= te > >>>> driver. > >>>> > >>>> It adds a new suite of functions behind the current power library AP= I, > >>>> and will seamlessly set up the user facing API function pointers to > >>>> the relevant functions depending on whether the system is running wi= th > >>>> 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? > >> > >> Looks good to me. > >> > >> Acked-by: David Hunt > >> > >> > >>>> --- /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 :) > >> 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. >=20 >=20 > Hi Thomas, >=20 > We have just pushed a v4, and tested with make, meson/ninja, and several= =20 > different build environments. I believe this version should be=20 > acceptable for 19.02. I don't think so. I will give more comments in v4 and will give up for 19.02.