On Sun, Mar 19, 2023 at 09:46:03AM +0800, kernel test robot wrote: > Hi Lorenzo, > > Thank you for the patch! Perhaps something to improve: > > [auto build test WARNING on akpm-mm/mm-everything] > [also build test WARNING on linus/master v6.3-rc2 next-20230317] > [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/Lorenzo-Stoakes/fs-proc-kcore-Avoid-bounce-buffer-for-ktext-data/20230319-082147 > base: https://git.kernel.org/pub/scm/linux/kernel/git/akpm/mm.git mm-everything > patch link: https://lore.kernel.org/r/119871ea9507eac7be5d91db38acdb03981e049e.1679183626.git.lstoakes%40gmail.com > patch subject: [PATCH 4/4] mm: vmalloc: convert vread() to vread_iter() > config: sparc64-randconfig-r015-20230319 (https://download.01.org/0day-ci/archive/20230319/202303190922.Wk376onx-lkp@xxxxxxxxx/config) > compiler: sparc64-linux-gcc (GCC) 12.1.0 > 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/intel-lab-lkp/linux/commit/a28f374d35bd294a529fcba0b69c8b0e2b66fa6c > git remote add linux-review https://github.com/intel-lab-lkp/linux > git fetch --no-tags linux-review Lorenzo-Stoakes/fs-proc-kcore-Avoid-bounce-buffer-for-ktext-data/20230319-082147 > git checkout a28f374d35bd294a529fcba0b69c8b0e2b66fa6c > # save the config file > mkdir build_dir && cp config build_dir/.config > COMPILER_INSTALL_PATH=$HOME/0day COMPILER=gcc-12.1.0 make.cross W=1 O=build_dir ARCH=sparc64 olddefconfig > COMPILER_INSTALL_PATH=$HOME/0day COMPILER=gcc-12.1.0 make.cross W=1 O=build_dir ARCH=sparc64 SHELL=/bin/bash arch/sparc/vdso/ > > If you fix the issue, kindly add following tag where applicable > | Reported-by: kernel test robot <lkp@xxxxxxxxx> > | Link: https://lore.kernel.org/oe-kbuild-all/202303190922.Wk376onx-lkp@xxxxxxxxx/ > > All warnings (new ones prefixed by >>): > > In file included from include/linux/wait.h:11, > from include/linux/swait.h:8, > from include/linux/completion.h:12, > from include/linux/mm_types.h:14, > from include/linux/uio.h:10, > from include/linux/vmalloc.h:12, > from include/asm-generic/io.h:994, > from arch/sparc/include/asm/io.h:22, > from arch/sparc/vdso/vclock_gettime.c:18: > >> arch/sparc/include/asm/current.h:18:30: warning: call-clobbered register used for global register variable > 18 | register struct task_struct *current asm("g4"); > | ^~~~~~~ > arch/sparc/vdso/vclock_gettime.c:254:1: warning: no previous prototype for '__vdso_clock_gettime' [-Wmissing-prototypes] > 254 | __vdso_clock_gettime(clockid_t clock, struct __kernel_old_timespec *ts) > | ^~~~~~~~~~~~~~~~~~~~ > arch/sparc/vdso/vclock_gettime.c:282:1: warning: no previous prototype for '__vdso_clock_gettime_stick' [-Wmissing-prototypes] > 282 | __vdso_clock_gettime_stick(clockid_t clock, struct __kernel_old_timespec *ts) > | ^~~~~~~~~~~~~~~~~~~~~~~~~~ > arch/sparc/vdso/vclock_gettime.c:307:1: warning: no previous prototype for '__vdso_gettimeofday' [-Wmissing-prototypes] > 307 | __vdso_gettimeofday(struct __kernel_old_timeval *tv, struct timezone *tz) > | ^~~~~~~~~~~~~~~~~~~ > arch/sparc/vdso/vclock_gettime.c:343:1: warning: no previous prototype for '__vdso_gettimeofday_stick' [-Wmissing-prototypes] > 343 | __vdso_gettimeofday_stick(struct __kernel_old_timeval *tv, struct timezone *tz) > | ^~~~~~~~~~~~~~~~~~~~~~~~~ > > > vim +18 arch/sparc/include/asm/current.h > > ^1da177e4c3f41 include/asm-sparc/current.h Linus Torvalds 2005-04-16 16 > ba89f59ab825d4 include/asm-sparc/current.h David S. Miller 2007-11-16 17 #ifdef CONFIG_SPARC64 > ba89f59ab825d4 include/asm-sparc/current.h David S. Miller 2007-11-16 @18 register struct task_struct *current asm("g4"); > ba89f59ab825d4 include/asm-sparc/current.h David S. Miller 2007-11-16 19 #endif > ^1da177e4c3f41 include/asm-sparc/current.h Linus Torvalds 2005-04-16 20 > > -- > 0-DAY CI Kernel Test Service > https://github.com/intel/lkp-tests This doesn't seem even vaguely related to this patchset, possibly my not specifying that I am basing on mm-unstable may be a factor here.
