tree: https://gitee.com/openeuler/kernel.git OLK-6.6 head: c098fa18c07cc52100a52db8fd0c2900461888c9 commit: d91c6db8ca896824da23aab69dde9ce289222299 [3544/3544] cpuinspect: add CPU-inspect infrastructure config: x86_64-randconfig-r121-20251215 (https://download.01.org/0day-ci/archive/20251224/202512240309.Ohc8FBKV-lkp@i...) compiler: clang version 20.1.8 (https://github.com/llvm/llvm-project 87f0227cb60147a26a1eeb4fb06e3b505e9c7261) reproduce (this is a W=1 build): (https://download.01.org/0day-ci/archive/20251224/202512240309.Ohc8FBKV-lkp@i...) 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/202512240309.Ohc8FBKV-lkp@intel.com/ sparse warnings: (new ones prefixed by >>) drivers/cpuinspect/sysfs.c:92:9: sparse: sparse: symbol 'patrol_complete_show' was not declared. Should it be static?
drivers/cpuinspect/sysfs.c:98:9: sparse: sparse: symbol 'cpu_utility_show' was not declared. Should it be static? drivers/cpuinspect/sysfs.c:104:9: sparse: sparse: symbol 'cpu_utility_store' was not declared. Should it be static? drivers/cpuinspect/sysfs.c:117:9: sparse: sparse: symbol 'patrol_times_show' was not declared. Should it be static? drivers/cpuinspect/sysfs.c:123:9: sparse: sparse: symbol 'patrol_times_store' was not declared. Should it be static? drivers/cpuinspect/sysfs.c:139:9: sparse: sparse: symbol 'start_patrol_store' was not declared. Should it be static?
vim +/cpu_utility_show +98 drivers/cpuinspect/sysfs.c 91
92 ssize_t patrol_complete_show(struct device *dev, struct device_attribute *attr, 93 char *buf) 94 { 95 return sprintf(buf, "%d\n", !ci_core.inspect_on); 96 } 97 98 ssize_t cpu_utility_show(struct device *dev, struct device_attribute *attr, 99 char *buf) 100 { 101 return sprintf(buf, "%u\n", ci_core.cpu_utility); 102 } 103 104 ssize_t cpu_utility_store(struct device *dev, struct device_attribute *attr, 105 const char *buf, size_t size) 106 { 107 unsigned int cpu_util; 108 109 if (kstrtouint(buf, 10, &cpu_util) || cpu_util < 1 || cpu_util > 100) 110 return -EINVAL; 111 112 ci_core.cpu_utility = cpu_util; 113 114 return size; 115 } 116 117 ssize_t patrol_times_show(struct device *dev, struct device_attribute *attr, 118 char *buf) 119 { 120 return sprintf(buf, "%lu\n", ci_core.inspect_times); 121 } 122 123 ssize_t patrol_times_store(struct device *dev, struct device_attribute *attr, 124 const char *buf, size_t size) 125 { 126 /* 127 * It is not allowed to modify patrol times during the CPU 128 * inspection operation. 129 */ 130 if (ci_core.inspect_on) 131 return -EBUSY; 132 133 if (kstrtoul(buf, 10, &ci_core.inspect_times)) 134 return -EINVAL; 135 136 return size; 137 } 138 139 ssize_t start_patrol_store(struct device *dev, struct device_attribute *attr, 140 const char *buf, size_t size) 141 { 142 bool start_patrol = false; 143 144 if (strtobool(buf, &start_patrol) < 0) 145 return -EINVAL; 146 147 if (!mutex_trylock(&cpuinspect_lock)) 148 return -EBUSY; 149 150 /* 151 * It is not allowed to start the inspection again during the 152 * inspection process. 153 */ 154 if (start_patrol && (int) start_patrol == ci_core.inspect_on) { 155 mutex_unlock(&cpuinspect_lock); 156 return -EBUSY; 157 } 158 159 if (start_patrol == 0) 160 stop_inspect_threads(); 161 else if (curr_cpu_inspector) 162 start_inspect_threads(); 163 164 mutex_unlock(&cpuinspect_lock); 165 return size; 166 } 167
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