Messages in this thread | | | Date | Sat, 16 Sep 2023 08:21:58 +0800 | From | kernel test robot <> | Subject | Re: [PATCH] tracing/timerlat: Hotplug support for the user-space interface |
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Hi Daniel,
kernel test robot noticed the following build warnings:
[auto build test WARNING on linus/master] [also build test WARNING on v6.6-rc1 next-20230915] [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/Daniel-Bristot-de-Oliveira/tracing-timerlat-Hotplug-support-for-the-user-space-interface/20230915-230157 base: linus/master patch link: https://lore.kernel.org/r/b619d9fd08a3bb47018cf40afa95783844a3c1fd.1694789910.git.bristot%40kernel.org patch subject: [PATCH] tracing/timerlat: Hotplug support for the user-space interface config: um-randconfig-002-20230916 (https://download.01.org/0day-ci/archive/20230916/202309160854.SAw0rIUm-lkp@intel.com/config) compiler: gcc-12 (Debian 12.2.0-14) 12.2.0 reproduce (this is a W=1 build): (https://download.01.org/0day-ci/archive/20230916/202309160854.SAw0rIUm-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@intel.com> | Closes: https://lore.kernel.org/oe-kbuild-all/202309160854.SAw0rIUm-lkp@intel.com/
All warnings (new ones prefixed by >>):
>> kernel/trace/trace_osnoise.c:2125:13: warning: 'timerlat_rm_per_cpu_interface' defined but not used [-Wunused-function] 2125 | static void timerlat_rm_per_cpu_interface(long cpu) {}; | ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~ >> kernel/trace/trace_osnoise.c:2124:12: warning: 'timerlat_add_per_cpu_interface' defined but not used [-Wunused-function] 2124 | static int timerlat_add_per_cpu_interface(long cpu) { return 0; }; | ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
vim +/timerlat_rm_per_cpu_interface +2125 kernel/trace/trace_osnoise.c
2112 2113 static void timerlat_rm_per_cpu_interface(long cpu) 2114 { 2115 struct dentry *cpu_dir = per_cpu_ptr(&osnoise_per_cpu_dir, cpu)->root; 2116 2117 if (cpu_dir) { 2118 tracefs_remove(cpu_dir); 2119 per_cpu_ptr(&osnoise_per_cpu_dir, cpu)->root = NULL; 2120 per_cpu_ptr(&osnoise_per_cpu_dir, cpu)->timerlat_fd = NULL; 2121 } 2122 } 2123 #else > 2124 static int timerlat_add_per_cpu_interface(long cpu) { return 0; }; > 2125 static void timerlat_rm_per_cpu_interface(long cpu) {}; 2126 #endif 2127
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