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Message-ID: <202211291946.ibgd5NuI-lkp@intel.com>
Date: Tue, 29 Nov 2022 19:23:46 +0800
From: kernel test robot <lkp@...el.com>
To: Perry Yuan <perry.yuan@....com>, rafael.j.wysocki@...el.com,
Mario.Limonciello@....com, ray.huang@....com,
viresh.kumar@...aro.org
Cc: oe-kbuild-all@...ts.linux.dev, Deepak.Sharma@....com,
Nathan.Fontenot@....com, Alexander.Deucher@....com,
Shimmer.Huang@....com, Xiaojian.Du@....com, Li.Meng@....com,
wyes.karny@....com, linux-pm@...r.kernel.org,
linux-kernel@...r.kernel.org
Subject: Re: [PATCH v5 3/9] cpufreq: amd_pstate: implement Pstate EPP support
for the AMD processors
Hi Perry,
I love your patch! Perhaps something to improve:
[auto build test WARNING on rafael-pm/linux-next]
[also build test WARNING on linus/master v6.1-rc7 next-20221129]
[If your patch is applied to the wrong git tree, kindly drop us a note.
And when submitting patch, we suggest to use '--base' as documented in
https://git-scm.com/docs/git-format-patch#_base_tree_information]
url: https://github.com/intel-lab-lkp/linux/commits/Perry-Yuan/Implement-AMD-Pstate-EPP-Driver/20221129-011556
base: https://git.kernel.org/pub/scm/linux/kernel/git/rafael/linux-pm.git linux-next
patch link: https://lore.kernel.org/r/20221128170314.2276636-4-perry.yuan%40amd.com
patch subject: [PATCH v5 3/9] cpufreq: amd_pstate: implement Pstate EPP support for the AMD processors
config: i386-randconfig-a002-20221128
compiler: gcc-11 (Debian 11.3.0-8) 11.3.0
reproduce (this is a W=1 build):
# https://github.com/intel-lab-lkp/linux/commit/e353f533252a9e07649872be9e9012c4500d9133
git remote add linux-review https://github.com/intel-lab-lkp/linux
git fetch --no-tags linux-review Perry-Yuan/Implement-AMD-Pstate-EPP-Driver/20221129-011556
git checkout e353f533252a9e07649872be9e9012c4500d9133
# save the config file
mkdir build_dir && cp config build_dir/.config
make W=1 O=build_dir ARCH=i386 SHELL=/bin/bash drivers/cpufreq/
If you fix the issue, kindly add following tag where applicable
| Reported-by: kernel test robot <lkp@...el.com>
All warnings (new ones prefixed by >>):
In file included from drivers/cpufreq/amd-pstate-ut.c:29:
>> include/linux/amd-pstate.h:150:21: warning: 'epp_values' defined but not used [-Wunused-variable]
150 | static unsigned int epp_values[] = {
| ^~~~~~~~~~
>> include/linux/amd-pstate.h:141:27: warning: 'energy_perf_strings' defined but not used [-Wunused-const-variable=]
141 | static const char * const energy_perf_strings[] = {
| ^~~~~~~~~~~~~~~~~~~
vim +/epp_values +150 include/linux/amd-pstate.h
140
> 141 static const char * const energy_perf_strings[] = {
142 [EPP_INDEX_DEFAULT] = "default",
143 [EPP_INDEX_PERFORMANCE] = "performance",
144 [EPP_INDEX_BALANCE_PERFORMANCE] = "balance_performance",
145 [EPP_INDEX_BALANCE_POWERSAVE] = "balance_power",
146 [EPP_INDEX_POWERSAVE] = "power",
147 NULL
148 };
149
> 150 static unsigned int epp_values[] = {
151 [EPP_INDEX_DEFAULT] = 0,
152 [EPP_INDEX_PERFORMANCE] = AMD_CPPC_EPP_PERFORMANCE,
153 [EPP_INDEX_BALANCE_PERFORMANCE] = AMD_CPPC_EPP_BALANCE_PERFORMANCE,
154 [EPP_INDEX_BALANCE_POWERSAVE] = AMD_CPPC_EPP_BALANCE_POWERSAVE,
155 [EPP_INDEX_POWERSAVE] = AMD_CPPC_EPP_POWERSAVE,
156 };
157
--
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