tree: https://git.kernel.org/pub/scm/linux/kernel/git/next/linux-next.git master head: 0b58e108042b0ed28a71cd7edf5175999955b233 commit: 7a1d1e4b9639ff08b2f42605c2950ae1ba4a43bf [5016/10451] tracing/ring-buffer: Add last_boot_info file to boot instance config: x86_64-sof-customedconfig-atom-defconfig (https://download.01.org/0day-ci/archive/20240705/202407051402.LW9VtaLq-lkp@xxxxxxxxx/config) compiler: gcc-11 (Ubuntu 11.4.0-4ubuntu1) 11.4.0 reproduce (this is a W=1 build): (https://download.01.org/0day-ci/archive/20240705/202407051402.LW9VtaLq-lkp@xxxxxxxxx/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@xxxxxxxxx> | Closes: https://lore.kernel.org/oe-kbuild-all/202407051402.LW9VtaLq-lkp@xxxxxxxxx/ All errors (new ones prefixed by >>): >> kernel/trace/trace.c:7534:37: error: 'last_boot_fops' defined but not used [-Werror=unused-const-variable=] 7534 | static const struct file_operations last_boot_fops = { | ^~~~~~~~~~~~~~ cc1: all warnings being treated as errors vim +/last_boot_fops +7534 kernel/trace/trace.c 7533 > 7534 static const struct file_operations last_boot_fops = { 7535 .open = tracing_open_generic_tr, 7536 .read = tracing_last_boot_read, 7537 .llseek = generic_file_llseek, 7538 .release = tracing_release_generic_tr, 7539 }; 7540 -- 0-DAY CI Kernel Test Service https://github.com/intel/lkp-tests/wiki
