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Message-ID: <202309061958.4wimkcbo-lkp@intel.com>
Date: Wed, 6 Sep 2023 20:11:57 +0800
From: kernel test robot <lkp@...el.com>
To: Meng Li <li.meng@....com>,
"Rafael J . Wysocki" <rafael.j.wysocki@...el.com>,
Huang Rui <ray.huang@....com>
Cc: oe-kbuild-all@...ts.linux.dev, linux-pm@...r.kernel.org,
linux-kernel@...r.kernel.org, x86@...nel.org,
linux-acpi@...r.kernel.org, Shuah Khan <skhan@...uxfoundation.org>,
linux-kselftest@...r.kernel.org,
Nathan Fontenot <nathan.fontenot@....com>,
Deepak Sharma <deepak.sharma@....com>,
Alex Deucher <alexander.deucher@....com>,
Mario Limonciello <mario.limonciello@....com>,
Shimmer Huang <shimmer.huang@....com>,
Perry Yuan <Perry.Yuan@....com>,
Xiaojian Du <Xiaojian.Du@....com>,
Viresh Kumar <viresh.kumar@...aro.org>,
Borislav Petkov <bp@...en8.de>, Meng Li <li.meng@....com>
Subject: Re: [PATCH V5 3/7] cpufreq: amd-pstate: Enable amd-pstate preferred
core supporting.
Hi Meng,
kernel test robot noticed the following build warnings:
[auto build test WARNING on rafael-pm/linux-next]
[also build test WARNING on linus/master v6.5 next-20230906]
[cannot apply to tip/x86/core]
[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/Meng-Li/x86-Drop-CPU_SUP_INTEL-from-SCHED_MC_PRIO-for-the-expansion/20230906-003754
base: https://git.kernel.org/pub/scm/linux/kernel/git/rafael/linux-pm.git linux-next
patch link: https://lore.kernel.org/r/20230905015116.2268926-4-li.meng%40amd.com
patch subject: [PATCH V5 3/7] cpufreq: amd-pstate: Enable amd-pstate preferred core supporting.
config: x86_64-defconfig (https://download.01.org/0day-ci/archive/20230906/202309061958.4wimkcbo-lkp@intel.com/config)
compiler: gcc-11 (Debian 11.3.0-12) 11.3.0
reproduce (this is a W=1 build): (https://download.01.org/0day-ci/archive/20230906/202309061958.4wimkcbo-lkp@intel.com/reproduce)
If you fix the issue in a separate patch/commit (i.e. not just a new version of
the same patch/commit), kindly add following tags
| Reported-by: kernel test robot <lkp@...el.com>
| Closes: https://lore.kernel.org/oe-kbuild-all/202309061958.4wimkcbo-lkp@intel.com/
All warnings (new ones prefixed by >>):
In file included from include/linux/node.h:18,
from include/linux/cpu.h:17,
from include/linux/cpufreq.h:12,
from drivers/cpufreq/amd-pstate.c:30:
>> include/linux/device.h:198:33: warning: 'dev_attr_hw_prefcore' defined but not used [-Wunused-variable]
198 | struct device_attribute dev_attr_##_name = __ATTR_RO(_name)
| ^~~~~~~~~
drivers/cpufreq/amd-pstate.c:1131:8: note: in expansion of macro 'DEVICE_ATTR_RO'
1131 | static DEVICE_ATTR_RO(hw_prefcore);
| ^~~~~~~~~~~~~~
vim +/dev_attr_hw_prefcore +198 include/linux/device.h
ca22e56debc57b4 Kay Sievers 2011-12-14 123
ca22e56debc57b4 Kay Sievers 2011-12-14 124 ssize_t device_show_ulong(struct device *dev, struct device_attribute *attr,
ca22e56debc57b4 Kay Sievers 2011-12-14 125 char *buf);
ca22e56debc57b4 Kay Sievers 2011-12-14 126 ssize_t device_store_ulong(struct device *dev, struct device_attribute *attr,
ca22e56debc57b4 Kay Sievers 2011-12-14 127 const char *buf, size_t count);
ca22e56debc57b4 Kay Sievers 2011-12-14 128 ssize_t device_show_int(struct device *dev, struct device_attribute *attr,
ca22e56debc57b4 Kay Sievers 2011-12-14 129 char *buf);
ca22e56debc57b4 Kay Sievers 2011-12-14 130 ssize_t device_store_int(struct device *dev, struct device_attribute *attr,
ca22e56debc57b4 Kay Sievers 2011-12-14 131 const char *buf, size_t count);
91872392f08486f Borislav Petkov 2012-10-09 132 ssize_t device_show_bool(struct device *dev, struct device_attribute *attr,
91872392f08486f Borislav Petkov 2012-10-09 133 char *buf);
91872392f08486f Borislav Petkov 2012-10-09 134 ssize_t device_store_bool(struct device *dev, struct device_attribute *attr,
91872392f08486f Borislav Petkov 2012-10-09 135 const char *buf, size_t count);
ca22e56debc57b4 Kay Sievers 2011-12-14 136
cd00bc2ca42705b James Seo 2023-05-08 137 /**
cd00bc2ca42705b James Seo 2023-05-08 138 * DEVICE_ATTR - Define a device attribute.
cd00bc2ca42705b James Seo 2023-05-08 139 * @_name: Attribute name.
cd00bc2ca42705b James Seo 2023-05-08 140 * @_mode: File mode.
cd00bc2ca42705b James Seo 2023-05-08 141 * @_show: Show handler. Optional, but mandatory if attribute is readable.
cd00bc2ca42705b James Seo 2023-05-08 142 * @_store: Store handler. Optional, but mandatory if attribute is writable.
cd00bc2ca42705b James Seo 2023-05-08 143 *
cd00bc2ca42705b James Seo 2023-05-08 144 * Convenience macro for defining a struct device_attribute.
cd00bc2ca42705b James Seo 2023-05-08 145 *
cd00bc2ca42705b James Seo 2023-05-08 146 * For example, ``DEVICE_ATTR(foo, 0644, foo_show, foo_store);`` expands to:
cd00bc2ca42705b James Seo 2023-05-08 147 *
cd00bc2ca42705b James Seo 2023-05-08 148 * .. code-block:: c
cd00bc2ca42705b James Seo 2023-05-08 149 *
cd00bc2ca42705b James Seo 2023-05-08 150 * struct device_attribute dev_attr_foo = {
cd00bc2ca42705b James Seo 2023-05-08 151 * .attr = { .name = "foo", .mode = 0644 },
cd00bc2ca42705b James Seo 2023-05-08 152 * .show = foo_show,
cd00bc2ca42705b James Seo 2023-05-08 153 * .store = foo_store,
cd00bc2ca42705b James Seo 2023-05-08 154 * };
cd00bc2ca42705b James Seo 2023-05-08 155 */
a7fd67062efc5b0 Kay Sievers 2005-10-01 156 #define DEVICE_ATTR(_name, _mode, _show, _store) \
a7fd67062efc5b0 Kay Sievers 2005-10-01 157 struct device_attribute dev_attr_##_name = __ATTR(_name, _mode, _show, _store)
cd00bc2ca42705b James Seo 2023-05-08 158
cd00bc2ca42705b James Seo 2023-05-08 159 /**
cd00bc2ca42705b James Seo 2023-05-08 160 * DEVICE_ATTR_PREALLOC - Define a preallocated device attribute.
cd00bc2ca42705b James Seo 2023-05-08 161 * @_name: Attribute name.
cd00bc2ca42705b James Seo 2023-05-08 162 * @_mode: File mode.
cd00bc2ca42705b James Seo 2023-05-08 163 * @_show: Show handler. Optional, but mandatory if attribute is readable.
cd00bc2ca42705b James Seo 2023-05-08 164 * @_store: Store handler. Optional, but mandatory if attribute is writable.
cd00bc2ca42705b James Seo 2023-05-08 165 *
cd00bc2ca42705b James Seo 2023-05-08 166 * Like DEVICE_ATTR(), but ``SYSFS_PREALLOC`` is set on @_mode.
cd00bc2ca42705b James Seo 2023-05-08 167 */
7fda9100bb8258b Christophe Leroy 2017-12-18 168 #define DEVICE_ATTR_PREALLOC(_name, _mode, _show, _store) \
7fda9100bb8258b Christophe Leroy 2017-12-18 169 struct device_attribute dev_attr_##_name = \
7fda9100bb8258b Christophe Leroy 2017-12-18 170 __ATTR_PREALLOC(_name, _mode, _show, _store)
cd00bc2ca42705b James Seo 2023-05-08 171
cd00bc2ca42705b James Seo 2023-05-08 172 /**
cd00bc2ca42705b James Seo 2023-05-08 173 * DEVICE_ATTR_RW - Define a read-write device attribute.
cd00bc2ca42705b James Seo 2023-05-08 174 * @_name: Attribute name.
cd00bc2ca42705b James Seo 2023-05-08 175 *
cd00bc2ca42705b James Seo 2023-05-08 176 * Like DEVICE_ATTR(), but @_mode is 0644, @_show is <_name>_show,
cd00bc2ca42705b James Seo 2023-05-08 177 * and @_store is <_name>_store.
cd00bc2ca42705b James Seo 2023-05-08 178 */
ced321bf9151535 Greg Kroah-Hartman 2013-07-14 179 #define DEVICE_ATTR_RW(_name) \
ced321bf9151535 Greg Kroah-Hartman 2013-07-14 180 struct device_attribute dev_attr_##_name = __ATTR_RW(_name)
cd00bc2ca42705b James Seo 2023-05-08 181
cd00bc2ca42705b James Seo 2023-05-08 182 /**
cd00bc2ca42705b James Seo 2023-05-08 183 * DEVICE_ATTR_ADMIN_RW - Define an admin-only read-write device attribute.
cd00bc2ca42705b James Seo 2023-05-08 184 * @_name: Attribute name.
cd00bc2ca42705b James Seo 2023-05-08 185 *
cd00bc2ca42705b James Seo 2023-05-08 186 * Like DEVICE_ATTR_RW(), but @_mode is 0600.
cd00bc2ca42705b James Seo 2023-05-08 187 */
3022c6a1b4b76c4 Dan Williams 2020-06-25 188 #define DEVICE_ATTR_ADMIN_RW(_name) \
3022c6a1b4b76c4 Dan Williams 2020-06-25 189 struct device_attribute dev_attr_##_name = __ATTR_RW_MODE(_name, 0600)
cd00bc2ca42705b James Seo 2023-05-08 190
cd00bc2ca42705b James Seo 2023-05-08 191 /**
cd00bc2ca42705b James Seo 2023-05-08 192 * DEVICE_ATTR_RO - Define a readable device attribute.
cd00bc2ca42705b James Seo 2023-05-08 193 * @_name: Attribute name.
cd00bc2ca42705b James Seo 2023-05-08 194 *
cd00bc2ca42705b James Seo 2023-05-08 195 * Like DEVICE_ATTR(), but @_mode is 0444 and @_show is <_name>_show.
cd00bc2ca42705b James Seo 2023-05-08 196 */
ced321bf9151535 Greg Kroah-Hartman 2013-07-14 197 #define DEVICE_ATTR_RO(_name) \
ced321bf9151535 Greg Kroah-Hartman 2013-07-14 @198 struct device_attribute dev_attr_##_name = __ATTR_RO(_name)
cd00bc2ca42705b James Seo 2023-05-08 199
--
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