Hi Paul, kernel test robot noticed the following build warnings: [auto build test WARNING on kvm/queue] [also build test WARNING on mst-vhost/linux-next] [cannot apply to kvm/linux-next] [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/Paul-Durrant/KVM-pfncache-add-a-map-helper-function/20230914-171017 base: https://git.kernel.org/pub/scm/virt/kvm/kvm.git queue patch link: https://lore.kernel.org/r/20230914084946.200043-8-paul%40xen.org patch subject: [PATCH 7/8] KVM: xen: prepare for using 'default' vcpu_info config: x86_64-allyesconfig (https://download.01.org/0day-ci/archive/20230915/202309150313.w8vtnM1C-lkp@xxxxxxxxx/config) compiler: gcc-12 (Debian 12.2.0-14) 12.2.0 reproduce (this is a W=1 build): (https://download.01.org/0day-ci/archive/20230915/202309150313.w8vtnM1C-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/202309150313.w8vtnM1C-lkp@xxxxxxxxx/ All warnings (new ones prefixed by >>): >> arch/x86/kvm/xen.c:492:26: warning: no previous prototype for 'get_vcpu_info_cache' [-Wmissing-prototypes] 492 | struct gfn_to_pfn_cache *get_vcpu_info_cache(struct kvm_vcpu *v, unsigned long *offset) | ^~~~~~~~~~~~~~~~~~~ vim +/get_vcpu_info_cache +492 arch/x86/kvm/xen.c 491 > 492 struct gfn_to_pfn_cache *get_vcpu_info_cache(struct kvm_vcpu *v, unsigned long *offset) 493 { 494 if (offset) 495 *offset = 0; 496 497 return &v->arch.xen.vcpu_info_cache; 498 } 499 -- 0-DAY CI Kernel Test Service https://github.com/intel/lkp-tests/wiki
