Hi "Adalbert, Thank you for the patch! Perhaps something to improve: [auto build test WARNING on dc924b062488a0376aae41d3e0a27dc99f852a5e] url: https://github.com/0day-ci/linux/commits/Adalbert-Laz-r/VM-introspection/20201125-174530 base: dc924b062488a0376aae41d3e0a27dc99f852a5e config: x86_64-allyesconfig (attached as .config) compiler: gcc-9 (Debian 9.3.0-15) 9.3.0 reproduce (this is a W=1 build): # https://github.com/0day-ci/linux/commit/e2e6aad169a874e4a2c4f4639c252f6b1d816d7b git remote add linux-review https://github.com/0day-ci/linux git fetch --no-tags linux-review Adalbert-Laz-r/VM-introspection/20201125-174530 git checkout e2e6aad169a874e4a2c4f4639c252f6b1d816d7b # save the attached .config to linux build tree make W=1 ARCH=x86_64 If you fix the issue, kindly add following tag as appropriate Reported-by: kernel test robot <lkp@xxxxxxxxx> All warnings (new ones prefixed by >>): arch/x86/kvm/../../../virt/kvm/introspection/kvmi.c:481:5: warning: no previous prototype for 'kvmi_hook' [-Wmissing-prototypes] 481 | int kvmi_hook(struct kvm *kvm, const struct kvm_introspection_hook *hook) | ^~~~~~~~~ >> arch/x86/kvm/../../../virt/kvm/introspection/kvmi.c:1076:6: warning: no previous prototype for 'kvmi_restricted_page_access' [-Wmissing-prototypes] 1076 | bool kvmi_restricted_page_access(struct kvm_introspection *kvmi, gpa_t gpa, | ^~~~~~~~~~~~~~~~~~~~~~~~~~~ vim +/kvmi_restricted_page_access +1076 arch/x86/kvm/../../../virt/kvm/introspection/kvmi.c 1075 > 1076 bool kvmi_restricted_page_access(struct kvm_introspection *kvmi, gpa_t gpa, 1077 u8 access) 1078 { 1079 u8 allowed_access; 1080 int err; 1081 1082 err = kvmi_get_gfn_access(kvmi, gpa_to_gfn(gpa), &allowed_access); 1083 if (err) 1084 return false; 1085 1086 /* 1087 * We want to be notified only for violations involving access 1088 * bits that we've specifically cleared 1089 */ 1090 if (access & (~allowed_access)) 1091 return true; 1092 1093 return false; 1094 } 1095 --- 0-DAY CI Kernel Test Service, Intel Corporation https://lists.01.org/hyperkitty/list/kbuild-all@xxxxxxxxxxxx
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