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Should it be static? Message-ID: <202611050914.le3P7s3D-lkp@intel.com> User-Agent: s-nail v14.9.25 X-Mailing-List: oe-kbuild-all@lists.linux.dev List-Id: List-Post: List-Help: List-Subscribe: List-Unsubscribe: List-Owner: Precedence: list tree: https://android.googlesource.com/kernel/common android12-kiwi-5.10 head: f012a641c30644ec5bf95cf64d8835854b997f86 commit: e19b8ce907a4ccc2f9dbeba218c50d1ff07fd321 [303/303] ANDROID: cpu/hotplug: add migration to paused_cpus config: i386-randconfig-2301-20261105 (https://download.01.org/0day-ci/archive/20261105/202611050914.le3P7s3D-lkp@intel.com/config) compiler: gcc-14 (Debian 14.2.0-19) 14.2.0 sparse: v0.6.5-rc1-21-g84ec0658 reproduce (this is a W=1 build): (https://download.01.org/0day-ci/archive/20261105/202611050914.le3P7s3D-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 | Closes: https://lore.kernel.org/oe-kbuild-all/202611050914.le3P7s3D-lkp@intel.com/ sparse warnings: (new ones prefixed by >>) >> kernel/cpu.c:1098:5: sparse: sparse: symbol '__pause_drain_rq' was not declared. Should it be static? >> kernel/cpu.c:1118:6: sparse: sparse: symbol '__wait_drain_rq' was not declared. Should it be static? kernel/cpu.c:844:9: sparse: sparse: context imbalance in 'clear_tasks_mm_cpumask' - different lock contexts for basic block vim +/__pause_drain_rq +1098 kernel/cpu.c 1097 > 1098 int __pause_drain_rq(struct cpumask *cpus) 1099 { 1100 unsigned int cpu; 1101 int err = 0; 1102 1103 /* 1104 * Disabling preemption avoids that one of the stopper, started from 1105 * sched_cpu_drain_rq(), blocks firing draining for the whole cpumask. 1106 */ 1107 preempt_disable(); 1108 for_each_cpu(cpu, cpus) { 1109 err = sched_cpu_drain_rq(cpu); 1110 if (err) 1111 break; 1112 } 1113 preempt_enable(); 1114 1115 return err; 1116 } 1117 > 1118 void __wait_drain_rq(struct cpumask *cpus) 1119 { 1120 unsigned int cpu; 1121 1122 for_each_cpu(cpu, cpus) 1123 sched_cpu_drain_rq_wait(cpu); 1124 } 1125 -- 0-DAY CI Kernel Test Service https://github.com/intel/lkp-tests/wiki