Hi Samuel, kernel test robot noticed the following build errors: [auto build test ERROR on linus/master] [also build test ERROR on v6.7-rc2 next-20231122] [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/Samuel-Holland/riscv-mm-Combine-the-SMP-and-UP-TLB-flush-code/20231122-091249 base: linus/master patch link: https://lore.kernel.org/r/20231122010815.3545294-4-samuel.holland%40sifive.com patch subject: [PATCH v3 3/8] riscv: Avoid TLB flush loops when affected by SiFive CIP-1200 config: riscv-randconfig-001-20231122 (https://download.01.org/0day-ci/archive/20231122/202311222306.siw2cvCj-lkp@xxxxxxxxx/config) compiler: clang version 14.0.6 (https://github.com/llvm/llvm-project.git f28c006a5895fc0e329fe15fead81e37457cb1d1) reproduce (this is a W=1 build): (https://download.01.org/0day-ci/archive/20231122/202311222306.siw2cvCj-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/202311222306.siw2cvCj-lkp@xxxxxxxxx/ All errors (new ones prefixed by >>): >> arch/riscv/errata/sifive/errata.c:46:2: error: use of undeclared identifier 'tlb_flush_all_threshold' tlb_flush_all_threshold = 0; ^ 1 error generated. vim +/tlb_flush_all_threshold +46 arch/riscv/errata/sifive/errata.c 33 34 static bool errata_cip_1200_check_func(unsigned long arch_id, unsigned long impid) 35 { 36 /* 37 * Affected cores: 38 * Architecture ID: 0x8000000000000007 or 0x1 39 * Implement ID: mimpid[23:0] <= 0x200630 and mimpid != 0x01200626 40 */ 41 if (arch_id != 0x8000000000000007 && arch_id != 0x1) 42 return false; 43 if ((impid & 0xffffff) > 0x200630 || impid == 0x1200626) 44 return false; 45 > 46 tlb_flush_all_threshold = 0; 47 48 return true; 49 } 50 -- 0-DAY CI Kernel Test Service https://github.com/intel/lkp-tests/wiki
