Hi Alex, kernel test robot noticed the following build warnings: [auto build test WARNING on arm64/for-next/core] [also build test WARNING on pci/next pci/for-linus arnd-asm-generic/master akpm-mm/mm-everything kvmarm/next soc/for-next linus/master arm/for-next arm/fixes v6.11-rc5 next-20240829] [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/Alex-Benn-e/ampere-arm64-Add-a-fixup-handler-for-alignment-faults-in-aarch64-code/20240827-211409 base: https://git.kernel.org/pub/scm/linux/kernel/git/arm64/linux.git for-next/core patch link: https://lore.kernel.org/r/20240827130829.43632-2-alex.bennee%40linaro.org patch subject: [PATCH 1/3] ampere/arm64: Add a fixup handler for alignment faults in aarch64 code config: arm64-allnoconfig (https://download.01.org/0day-ci/archive/20240830/202408300927.4oarShZN-lkp@xxxxxxxxx/config) compiler: aarch64-linux-gcc (GCC) 14.1.0 reproduce (this is a W=1 build): (https://download.01.org/0day-ci/archive/20240830/202408300927.4oarShZN-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/202408300927.4oarShZN-lkp@xxxxxxxxx/ All warnings (new ones prefixed by >>): >> arch/arm64/mm/fault_neon.c:17:5: warning: no previous prototype for '__arm64_get_vn_dt' [-Wmissing-prototypes] 17 | u64 __arm64_get_vn_dt(int n, int t) { | ^~~~~~~~~~~~~~~~~ >> arch/arm64/mm/fault_neon.c:41:6: warning: no previous prototype for '__arm64_set_vn_dt' [-Wmissing-prototypes] 41 | void __arm64_set_vn_dt(int n, int t, u64 val) { | ^~~~~~~~~~~~~~~~~ vim +/__arm64_get_vn_dt +17 arch/arm64/mm/fault_neon.c 16 > 17 u64 __arm64_get_vn_dt(int n, int t) { 18 u64 res; 19 20 switch (n) { 21 #define V(n) \ 22 case n: \ 23 asm("cbnz %w1, 1f\n\t" \ 24 "mov %0, v"#n".d[0]\n\t" \ 25 "b 2f\n\t" \ 26 "1: mov %0, v"#n".d[1]\n\t" \ 27 "2:" : "=r" (res) : "r" (t)); \ 28 break 29 V( 0); V( 1); V( 2); V( 3); V( 4); V( 5); V( 6); V( 7); 30 V( 8); V( 9); V(10); V(11); V(12); V(13); V(14); V(15); 31 V(16); V(17); V(18); V(19); V(20); V(21); V(22); V(23); 32 V(24); V(25); V(26); V(27); V(28); V(29); V(30); V(31); 33 #undef V 34 default: 35 res = 0; 36 break; 37 } 38 return res; 39 } 40 > 41 void __arm64_set_vn_dt(int n, int t, u64 val) { -- 0-DAY CI Kernel Test Service https://github.com/intel/lkp-tests/wiki
