Hi, I love your patch! Yet something to improve: [auto build test ERROR on linus/master] [also build test ERROR on v6.1-rc4 next-20221108] [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/guoren-kernel-org/riscv-asid-Fixup-stale-TLB-entry-cause-application-crash/20221108-182151 patch link: https://lore.kernel.org/r/20221108102044.3317793-1-guoren%40kernel.org patch subject: [PATCH RESEND] riscv: asid: Fixup stale TLB entry cause application crash config: riscv-nommu_k210_defconfig compiler: riscv64-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/025af39c1eb149e584705dfc72ac117812c82f3e git remote add linux-review https://github.com/intel-lab-lkp/linux git fetch --no-tags linux-review guoren-kernel-org/riscv-asid-Fixup-stale-TLB-entry-cause-application-crash/20221108-182151 git checkout 025af39c1eb149e584705dfc72ac117812c82f3e # 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=riscv SHELL=/bin/bash If you fix the issue, kindly add following tag where applicable | Reported-by: kernel test robot All errors (new ones prefixed by >>): riscv64-linux-ld: arch/riscv/mm/context.o: in function `.L0 ': >> context.c:(.text+0x2e): undefined reference to `use_asid_allocator' -- 0-DAY CI Kernel Test Service https://01.org/lkp