Hi Tiwei, kernel test robot noticed the following build warnings:
[auto build test WARNING on uml/next] [also build test WARNING on linus/master next-20250808] [cannot apply to uml/fixes arnd-asm-generic/master v6.16] [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/Tiwei-Bie/um-Stop-tracking-virtual-CPUs-via-mm_cpumask/20250810-135542 base: https://git.kernel.org/pub/scm/linux/kernel/git/uml/linux next patch link: https://lore.kernel.org/r/20250810055136.897712-7-tiwei.bie%40linux.dev patch subject: [PATCH v2 06/10] um: Define timers on a per-CPU basis config: um-randconfig-001-20250810 (https://download.01.org/0day-ci/archive/20250810/202508101712.k4pzkdp3-...@intel.com/config) compiler: gcc-12 (Debian 12.2.0-14+deb12u1) 12.2.0 reproduce (this is a W=1 build): (https://download.01.org/0day-ci/archive/20250810/202508101712.k4pzkdp3-...@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 <l...@intel.com> | Closes: https://lore.kernel.org/oe-kbuild-all/202508101712.k4pzkdp3-...@intel.com/ All warnings (new ones prefixed by >>): >> Warning: arch/um/os-Linux/time.c:90 function parameter 'cpu' not described >> in 'os_timer_disable' -- 0-DAY CI Kernel Test Service https://github.com/intel/lkp-tests/wiki