Hi Vincenzo, I love your patch! Yet something to improve:
[auto build test ERROR on kvmarm/next] [also build test ERROR on linus/master v5.12-rc2 next-20210305] [cannot apply to arm64/for-next/core xlnx/master arm/for-next soc/for-next hnaz-linux-mm/master] [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/Vincenzo-Frascino/arm64-ARMv8-5-A-MTE-Add-async-mode-support/20210309-001716 base: https://git.kernel.org/pub/scm/linux/kernel/git/kvmarm/kvmarm.git next config: arm64-randconfig-r021-20210308 (attached as .config) compiler: clang version 13.0.0 (https://github.com/llvm/llvm-project 3a11a41795bec548e91621caaa4cc00fc31b2212) 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 # install arm64 cross compiling tool for clang build # apt-get install binutils-aarch64-linux-gnu # https://github.com/0day-ci/linux/commit/660df126323fe5533a1be7834e1754a1adc69f13 git remote add linux-review https://github.com/0day-ci/linux git fetch --no-tags linux-review Vincenzo-Frascino/arm64-ARMv8-5-A-MTE-Add-async-mode-support/20210309-001716 git checkout 660df126323fe5533a1be7834e1754a1adc69f13 # save the attached .config to linux build tree COMPILER_INSTALL_PATH=$HOME/0day COMPILER=clang make.cross ARCH=arm64 If you fix the issue, kindly add following tag as appropriate Reported-by: kernel test robot <l...@intel.com> All errors (new ones prefixed by >>): >> ld.lld: error: undefined symbol: mte_async_mode >>> referenced by maccess.c >>> maccess.o:(copy_from_kernel_nofault) in archive mm/built-in.a >>> referenced by maccess.c >>> maccess.o:(copy_from_kernel_nofault) in archive mm/built-in.a >>> referenced by maccess.c >>> maccess.o:(copy_from_kernel_nofault) in archive mm/built-in.a >>> referenced 62 more times --- 0-DAY CI Kernel Test Service, Intel Corporation https://lists.01.org/hyperkitty/list/kbuild-...@lists.01.org
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