On Wed, Jan 6, 2021 at 1:39 PM kernel test robot <lkp@xxxxxxxxx> wrote: > > Hi, > > Thank you for the patch! Yet something to improve: > > [auto build test ERROR on linus/master] > [also build test ERROR on v5.11-rc2] > [cannot apply to arm64/for-next/core asm-generic/master soc/for-next next-20210104] > [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] > > url: https://github.com/0day-ci/linux/commits/sonicadvance1-gmail-com/Adds-a-new-ioctl32-syscall-for-backwards-compatibility-layers/20210106-145354 > base: https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git e71ba9452f0b5b2e8dc8aa5445198cd9214a6a62 > config: arc-randconfig-r005-20210106 (attached as .config) > compiler: arc-elf-gcc (GCC) 9.3.0 > reproduce (this is a W=1 build): > wget https://raw.githubusercontent.com/intel/lkp-tests/master/sbin/make.cross -O ~/bin/make.cross > chmod +x ~/bin/make.cross > # https://github.com/0day-ci/linux/commit/a927032b3a499474d8484f47644aa9a2578a5196 > git remote add linux-review https://github.com/0day-ci/linux > git fetch --no-tags linux-review sonicadvance1-gmail-com/Adds-a-new-ioctl32-syscall-for-backwards-compatibility-layers/20210106-145354 > git checkout a927032b3a499474d8484f47644aa9a2578a5196 > # save the attached .config to linux build tree > COMPILER_INSTALL_PATH=$HOME/0day COMPILER=gcc-9.3.0 make.cross ARCH=arc > > If you fix the issue, kindly add following tag as appropriate > Reported-by: kernel test robot <lkp@xxxxxxxxx> > > All errors (new ones prefixed by >>): > > In file included from kernel/events/core.c:34: > >> include/linux/syscalls.h:390:5: error: unknown type name 'compat_ulong_t' > 390 | compat_ulong_t arg); > | ^~~~~~~~~~~~~~ > kernel/events/core.c:6535:6: warning: no previous prototype for 'perf_pmu_snapshot_aux' [-Wmissing-prototypes] > 6535 | long perf_pmu_snapshot_aux(struct perf_buffer *rb, > | ^~~~~~~~~~~~~~~~~~~~~ > In file included from include/linux/perf_event.h:25, > from include/linux/trace_events.h:10, > from include/trace/syscall.h:7, > from include/linux/syscalls.h:84, > from kernel/events/core.c:34: > arch/arc/include/asm/perf_event.h:126:23: warning: 'arc_pmu_cache_map' defined but not used [-Wunused-const-variable=] > 126 | static const unsigned arc_pmu_cache_map[C(MAX)][C(OP_MAX)][C(RESULT_MAX)] = { > | ^~~~~~~~~~~~~~~~~ > arch/arc/include/asm/perf_event.h:91:27: warning: 'arc_pmu_ev_hw_map' defined but not used [-Wunused-const-variable=] > 91 | static const char * const arc_pmu_ev_hw_map[] = { > | ^~~~~~~~~~~~~~~~~ > These two variables arc_pmu_cache_map & arc_pmu_ev_hw_map are used in arch/arc/kernel/perf_event.c. I think, moving it some other files/header will silence these warnings. > > vim +/compat_ulong_t +390 include/linux/syscalls.h > > 385 > 386 /* fs/ioctl.c */ > 387 asmlinkage long sys_ioctl(unsigned int fd, unsigned int cmd, > 388 unsigned long arg); > 389 asmlinkage long sys_ioctl32(unsigned int fd, unsigned int cmd, > > 390 compat_ulong_t arg); > 391 > > --- > 0-DAY CI Kernel Test Service, Intel Corporation > https://lists.01.org/hyperkitty/list/kbuild-all@xxxxxxxxxxxx