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@xxxxxxxxx/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@xxxxxxxxx/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@xxxxxxxxx> | Closes: https://lore.kernel.org/oe-kbuild-all/202309061958.4wimkcbo-lkp@xxxxxxxxx/ 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 -- 0-DAY CI Kernel Test Service https://github.com/intel/lkp-tests/wiki
