Hi Andy, kernel test robot noticed the following build errors: [auto build test ERROR on 099dbac6e90c620d8ce0bbf75bbdc94da1feb4fb] url: https://github.com/intel-lab-lkp/linux/commits/Andy-Chiu/riscv-vector-add-a-comment-when-calling-riscv_setup_vsize/20240318-184348 base: 099dbac6e90c620d8ce0bbf75bbdc94da1feb4fb patch link: https://lore.kernel.org/r/20240318-zve-detection-v3-7-e12d42107fa8%40sifive.com patch subject: [PATCH v3 7/7] riscv: vector: adjust minimum Vector requirement to ZVE32X config: riscv-allnoconfig (https://download.01.org/0day-ci/archive/20240319/202403190142.8MfCnioh-lkp@xxxxxxxxx/config) compiler: riscv64-linux-gcc (GCC) 13.2.0 reproduce (this is a W=1 build): (https://download.01.org/0day-ci/archive/20240319/202403190142.8MfCnioh-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/202403190142.8MfCnioh-lkp@xxxxxxxxx/ All errors (new ones prefixed by >>): arch/riscv/kernel/process.c: In function 'arch_release_task_struct': >> arch/riscv/kernel/process.c:181:24: error: 'ZVE32X' undeclared (first use in this function) 181 | if (has_vector(ZVE32X)) | ^~~~~~ arch/riscv/kernel/process.c:181:24: note: each undeclared identifier is reported only once for each function it appears in arch/riscv/kernel/process.c: In function 'copy_thread': arch/riscv/kernel/process.c:228:24: error: 'ZVE32X' undeclared (first use in this function) 228 | if (has_vector(ZVE32X)) | ^~~~~~ -- arch/riscv/kernel/signal.c: In function 'restore_sigcontext': >> arch/riscv/kernel/signal.c:191:41: error: 'ZVE32X' undeclared (first use in this function) 191 | if (!has_vector(ZVE32X) || !riscv_v_vstate_query(regs) || | ^~~~~~ arch/riscv/kernel/signal.c:191:41: note: each undeclared identifier is reported only once for each function it appears in arch/riscv/kernel/signal.c: In function 'get_rt_frame_size': arch/riscv/kernel/signal.c:213:24: error: 'ZVE32X' undeclared (first use in this function) 213 | if (has_vector(ZVE32X)) { | ^~~~~~ arch/riscv/kernel/signal.c: In function 'setup_sigcontext': arch/riscv/kernel/signal.c:286:24: error: 'ZVE32X' undeclared (first use in this function) 286 | if (has_vector(ZVE32X) && riscv_v_vstate_query(regs)) | ^~~~~~ -- arch/riscv/kernel/sys_hwprobe.c: In function 'hwprobe_isa_ext0': >> arch/riscv/kernel/sys_hwprobe.c:72:24: error: 'v' undeclared (first use in this function) 72 | if (has_vector(v)) | ^ arch/riscv/kernel/sys_hwprobe.c:72:24: note: each undeclared identifier is reported only once for each function it appears in >> arch/riscv/kernel/sys_hwprobe.c:119:32: error: 'ZVE32X' undeclared (first use in this function) 119 | if (has_vector(ZVE32X)) { | ^~~~~~ -- In file included from kernel/sched/core.c:78: kernel/sched/core.c: In function 'context_switch': >> arch/riscv/include/asm/switch_to.h:81:24: error: 'ZVE32X' undeclared (first use in this function) 81 | if (has_vector(ZVE32X)) \ | ^~~~~~ kernel/sched/core.c:5400:9: note: in expansion of macro 'switch_to' 5400 | switch_to(prev, next, prev); | ^~~~~~~~~ arch/riscv/include/asm/switch_to.h:81:24: note: each undeclared identifier is reported only once for each function it appears in 81 | if (has_vector(ZVE32X)) \ | ^~~~~~ kernel/sched/core.c:5400:9: note: in expansion of macro 'switch_to' 5400 | switch_to(prev, next, prev); | ^~~~~~~~~ vim +/ZVE32X +181 arch/riscv/kernel/process.c 177 178 void arch_release_task_struct(struct task_struct *tsk) 179 { 180 /* Free the vector context of datap. */ > 181 if (has_vector(ZVE32X)) 182 riscv_v_thread_free(tsk); 183 } 184 -- 0-DAY CI Kernel Test Service https://github.com/intel/lkp-tests/wiki