Hi Alexey, FYI, the error/warning was bisected to this commit, please ignore it if it's irrelevant. tree: https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git master head: 25041a4c02c7cf774d8b6ed60586fd64f1cdaa81 commit: 97a32539b9568bb653683349e5a76d02ff3c3e2c proc: convert everything to "struct proc_ops" date: 3 years, 4 months ago config: i386-buildonly-randconfig-r003-20230608 (https://download.01.org/0day-ci/archive/20230609/202306090452.xsDyLQQZ-lkp@xxxxxxxxx/config) compiler: gcc-12 (Debian 12.2.0-14) 12.2.0 reproduce (this is a W=1 build): # https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/commit/?id=97a32539b9568bb653683349e5a76d02ff3c3e2c git remote add linus https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git git fetch --no-tags linus master git checkout 97a32539b9568bb653683349e5a76d02ff3c3e2c # save the config file mkdir build_dir && cp config build_dir/.config make W=1 O=build_dir ARCH=i386 olddefconfig make W=1 O=build_dir ARCH=i386 SHELL=/bin/bash drivers/acpi/ drivers/gpu/drm/ drivers/mtd/nand/raw/ fs/nfsd/ kernel/ net/sunrpc/ 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/202306090452.xsDyLQQZ-lkp@xxxxxxxxx/ All warnings (new ones prefixed by >>): >> drivers/acpi/proc.c:139:30: warning: 'acpi_system_wakeup_device_proc_ops' defined but not used [-Wunused-const-variable=] 139 | static const struct proc_ops acpi_system_wakeup_device_proc_ops = { | ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ -- >> net/sunrpc/cache.c:1636:30: warning: 'cache_flush_proc_ops' defined but not used [-Wunused-const-variable=] 1636 | static const struct proc_ops cache_flush_proc_ops = { | ^~~~~~~~~~~~~~~~~~~~ >> net/sunrpc/cache.c:1598:30: warning: 'content_proc_ops' defined but not used [-Wunused-const-variable=] 1598 | static const struct proc_ops content_proc_ops = { | ^~~~~~~~~~~~~~~~ >> net/sunrpc/cache.c:1574:30: warning: 'cache_channel_proc_ops' defined but not used [-Wunused-const-variable=] 1574 | static const struct proc_ops cache_channel_proc_ops = { | ^~~~~~~~~~~~~~~~~~~~~~ -- >> fs/nfsd/nfsctl.c:160:30: warning: 'exports_proc_ops' defined but not used [-Wunused-const-variable=] 160 | static const struct proc_ops exports_proc_ops = { | ^~~~~~~~~~~~~~~~ -- >> kernel/sched/psi.c:1272:30: warning: 'psi_cpu_proc_ops' defined but not used [-Wunused-const-variable=] 1272 | static const struct proc_ops psi_cpu_proc_ops = { | ^~~~~~~~~~~~~~~~ >> kernel/sched/psi.c:1263:30: warning: 'psi_memory_proc_ops' defined but not used [-Wunused-const-variable=] 1263 | static const struct proc_ops psi_memory_proc_ops = { | ^~~~~~~~~~~~~~~~~~~ >> kernel/sched/psi.c:1254:30: warning: 'psi_io_proc_ops' defined but not used [-Wunused-const-variable=] 1254 | static const struct proc_ops psi_io_proc_ops = { | ^~~~~~~~~~~~~~~ vim +/acpi_system_wakeup_device_proc_ops +139 drivers/acpi/proc.c 138 > 139 static const struct proc_ops acpi_system_wakeup_device_proc_ops = { 140 .proc_open = acpi_system_wakeup_device_open_fs, 141 .proc_read = seq_read, 142 .proc_write = acpi_system_write_wakeup_device, 143 .proc_lseek = seq_lseek, 144 .proc_release = single_release, 145 }; 146 -- 0-DAY CI Kernel Test Service https://github.com/intel/lkp-tests/wiki
