Content-Type: multipart/mixed; boundary="===============6717705508771870362==" MIME-Version: 1.0 From: kernel test robot To: kbuild-all@lists.01.org Subject: Re: [PATCH v4] kernel/time: move timer sysctls to its own file Date: Mon, 31 Jan 2022 17:53:57 +0800 Message-ID: <202201311703.8ZHlxEUI-lkp@intel.com> In-Reply-To: <20220131065728.6823-1-tangmeng@uniontech.com> List-Id: --===============6717705508771870362== Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: quoted-printable Hi tangmeng, Thank you for the patch! Yet something to improve: [auto build test ERROR on tip/timers/core] [also build test ERROR on linus/master kees/for-next/pstore v5.17-rc2 next-= 20220128] [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] url: https://github.com/0day-ci/linux/commits/tangmeng/kernel-time-move-= timer-sysctls-to-its-own-file/20220131-145847 base: https://git.kernel.org/pub/scm/linux/kernel/git/tip/tip.git 35e13e9= da9afbce13c1d36465504ece4e65f24fe config: arc-randconfig-r043-20220131 (https://download.01.org/0day-ci/archi= ve/20220131/202201311703.8ZHlxEUI-lkp(a)intel.com/config) compiler: arc-elf-gcc (GCC) 11.2.0 reproduce (this is a W=3D1 build): wget https://raw.githubusercontent.com/intel/lkp-tests/master/sbin/= make.cross -O ~/bin/make.cross chmod +x ~/bin/make.cross # https://github.com/0day-ci/linux/commit/f32d255b81d227c1491a06a5d= 7b016eb9bd54087 git remote add linux-review https://github.com/0day-ci/linux git fetch --no-tags linux-review tangmeng/kernel-time-move-timer-sy= sctls-to-its-own-file/20220131-145847 git checkout f32d255b81d227c1491a06a5d7b016eb9bd54087 # save the config file to linux build tree mkdir build_dir COMPILER_INSTALL_PATH=3D$HOME/0day COMPILER=3Dgcc-11.2.0 make.cross= O=3Dbuild_dir ARCH=3Darc SHELL=3D/bin/bash kernel/time/ If you fix the issue, kindly add following tag as appropriate Reported-by: kernel test robot All errors (new ones prefixed by >>): kernel/time/timer.c: In function 'timer_sysctl_init': >> kernel/time/timer.c:284:9: error: implicit declaration of function 'regi= ster_sysctl_init'; did you mean 'timer_sysctl_init'? [-Werror=3Dimplicit-fu= nction-declaration] 284 | register_sysctl_init("kernel", timer_sysctl); | ^~~~~~~~~~~~~~~~~~~~ | timer_sysctl_init In file included from include/linux/perf_event.h:25, from include/linux/trace_events.h:10, from include/trace/syscall.h:7, from include/linux/syscalls.h:88, from kernel/time/timer.c:35: At top level: arch/arc/include/asm/perf_event.h:126:27: warning: 'arc_pmu_cache_map' d= efined but not used [-Wunused-const-variable=3D] 126 | static const unsigned int arc_pmu_cache_map[C(MAX)][C(OP_MAX)][C= (RESULT_MAX)] =3D { | ^~~~~~~~~~~~~~~~~ arch/arc/include/asm/perf_event.h:91:27: warning: 'arc_pmu_ev_hw_map' de= fined but not used [-Wunused-const-variable=3D] 91 | static const char * const arc_pmu_ev_hw_map[] =3D { | ^~~~~~~~~~~~~~~~~ cc1: some warnings being treated as errors vim +284 kernel/time/timer.c 281 = 282 static int __init timer_sysctl_init(void) 283 { > 284 register_sysctl_init("kernel", timer_sysctl); 285 return 0; 286 } 287 __initcall(timer_sysctl_init); 288 #endif 289 static inline bool is_timers_nohz_active(void) 290 { 291 return static_branch_unlikely(&timers_nohz_active); 292 } 293 #else 294 static inline bool is_timers_nohz_active(void) { return false; } 295 #endif /* NO_HZ_COMMON */ 296 = --- 0-DAY CI Kernel Test Service, Intel Corporation https://lists.01.org/hyperkitty/list/kbuild-all(a)lists.01.org --===============6717705508771870362==--