Hi, kernel test robot noticed the following build errors: [auto build test ERROR on 89b6a7b873d72280e85976bbb8fe4998b2ababa8] url: https://github.com/intel-lab-lkp/linux/commits/isaku-yamahata-intel-com/KVM-gmem-Make-kvm_gmem_bind-return-EBADF-on-wrong-fd/20230816-012315 base: 89b6a7b873d72280e85976bbb8fe4998b2ababa8 patch link: https://lore.kernel.org/r/8c9f0470ba6e5dc122f3f4e37c4dcfb6fb97b184.1692119201.git.isaku.yamahata%40intel.com patch subject: [PATCH 6/8] KVM: gmem, x86: Add gmem hook for invalidating private memory config: x86_64-allyesconfig (https://download.01.org/0day-ci/archive/20230816/202308160801.jwbys3HI-lkp@xxxxxxxxx/config) compiler: gcc-12 (Debian 12.2.0-14) 12.2.0 reproduce: (https://download.01.org/0day-ci/archive/20230816/202308160801.jwbys3HI-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/202308160801.jwbys3HI-lkp@xxxxxxxxx/ All errors (new ones prefixed by >>): arch/x86/kvm/../../../virt/kvm/guest_mem.c: In function 'kvm_gmem_punch_hole': >> arch/x86/kvm/../../../virt/kvm/guest_mem.c:186:40: error: 'kvm' undeclared (first use in this function) 186 | kvm_gmem_issue_arch_invalidate(kvm, file, start, end); | ^~~ arch/x86/kvm/../../../virt/kvm/guest_mem.c:186:40: note: each undeclared identifier is reported only once for each function it appears in >> arch/x86/kvm/../../../virt/kvm/guest_mem.c:186:45: error: 'file' undeclared (first use in this function) 186 | kvm_gmem_issue_arch_invalidate(kvm, file, start, end); | ^~~~ vim +/kvm +186 arch/x86/kvm/../../../virt/kvm/guest_mem.c 169 170 static long kvm_gmem_punch_hole(struct inode *inode, loff_t offset, loff_t len) 171 { 172 struct list_head *gmem_list = &inode->i_mapping->private_list; 173 pgoff_t start = offset >> PAGE_SHIFT; 174 pgoff_t end = (offset + len) >> PAGE_SHIFT; 175 struct kvm_gmem *gmem; 176 177 /* 178 * Bindings must stable across invalidation to ensure the start+end 179 * are balanced. 180 */ 181 filemap_invalidate_lock(inode->i_mapping); 182 183 list_for_each_entry(gmem, gmem_list, entry) 184 kvm_gmem_invalidate_begin(gmem, start, end); 185 > 186 kvm_gmem_issue_arch_invalidate(kvm, file, start, end); 187 truncate_inode_pages_range(inode->i_mapping, offset, offset + len - 1); 188 189 list_for_each_entry(gmem, gmem_list, entry) 190 kvm_gmem_invalidate_end(gmem, start, end); 191 192 filemap_invalidate_unlock(inode->i_mapping); 193 194 return 0; 195 } 196 -- 0-DAY CI Kernel Test Service https://github.com/intel/lkp-tests/wiki
