[kbuild-all] kernel/trace/trace_osnoise.c:58:18: sparse: sparse: symbol 'osnoise_instances' was not declared. Should it be static?

tree: https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git master head: debe436e77c72fcee804fb867f275e6d31aa999c commit: dae181349f1e9d279f171afc708d2824ab35a86f tracing/osnoise: Support a list of trace_array *tr date: 10 days ago config: i386-randconfig-s002-20211103 (attached as .config) compiler: gcc-9 (Debian 9.3.0-22) 9.3.0 reproduce: # apt-get install sparse # sparse version: v0.6.4-dirty # https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/commit... git remote add linus https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git git fetch --no-tags linus master git checkout dae181349f1e9d279f171afc708d2824ab35a86f # save the attached .config to linux build tree make W=1 C=1 CF='-fdiagnostic-prefix -D__CHECK_ENDIAN__' O=build_dir ARCH=i386 SHELL=/bin/bash kernel/trace/ If you fix the issue, kindly add following tag as appropriate Reported-by: kernel test robot <lkp(a)intel.com&gt; sparse warnings: (new ones prefixed by >>) kernel/trace/trace_osnoise.c:296:14: sparse: sparse: symbol 'interface_lock' was not declared. Should it be static? vim +/osnoise_instances +58 kernel/trace/trace_osnoise.c 50 51 /* 52 * trace_array of the enabled osnoise/timerlat instances. 53 */ 54 struct osnoise_instance { 55 struct list_head list; 56 struct trace_array *tr; 57 }; 59 --- 0-DAY CI Kernel Test Service, Intel Corporation https://lists.01.org/hyperkitty/list/kbuild-all@lists.01.org