Hi Bibo, kernel test robot noticed the following build errors:
[auto build test ERROR on 6a23ae0a96a600d1d12557add110e0bb6e32730c] url: https://github.com/intel-lab-lkp/linux/commits/Bibo-Mao/LoongArch-KVM-Add-preempt-hint-feature-in-hypervisor-side/20251118-161212 base: 6a23ae0a96a600d1d12557add110e0bb6e32730c patch link: https://lore.kernel.org/r/20251118080656.2012805-3-maobibo%40loongson.cn patch subject: [PATCH 2/3] LoongArch: Add paravirt support with vcpu_is_preempted() config: loongarch-randconfig-r052-20251120 (https://download.01.org/0day-ci/archive/20251120/[email protected]/config) compiler: clang version 18.1.8 (https://github.com/llvm/llvm-project 3b5b5c1ec4a3095ab096dd780e84d7ab81f3d7ff) reproduce (this is a W=1 build): (https://download.01.org/0day-ci/archive/20251120/[email protected]/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 <[email protected]> | Closes: https://lore.kernel.org/oe-kbuild-all/[email protected]/ All errors (new ones prefixed by >>): >> arch/loongarch/kernel/paravirt.c:346:14: error: redefinition of >> 'vcpu_is_preempted' 346 | bool notrace vcpu_is_preempted(int cpu) | ^ include/linux/sched.h:2263:20: note: previous definition is here 2263 | static inline bool vcpu_is_preempted(int cpu) | ^ >> arch/loongarch/kernel/paravirt.c:348:9: error: use of undeclared identifier >> 'mp_ops' 348 | return mp_ops.vcpu_is_preempted(cpu); | ^ 2 errors generated. vim +/vcpu_is_preempted +346 arch/loongarch/kernel/paravirt.c 345 > 346 bool notrace vcpu_is_preempted(int cpu) 347 { > 348 return mp_ops.vcpu_is_preempted(cpu); -- 0-DAY CI Kernel Test Service https://github.com/intel/lkp-tests/wiki

