Hi Naveen, kernel test robot noticed the following build warnings: [auto build test WARNING on eb723766b1030a23c38adf2348b7c3d1409d11f0] url: https://github.com/intel-lab-lkp/linux/commits/Naveen-N-Rao-AMD/KVM-SVM-Increase-X2AVIC-limit-to-4096-vcpus/20250203-144127 base: eb723766b1030a23c38adf2348b7c3d1409d11f0 patch link: https://lore.kernel.org/r/b79610c60de53048f3fda942fd45973c4ab1de97.1738563890.git.naveen%40kernel.org patch subject: [PATCH v2 2/2] KVM: SVM: Limit AVIC physical max index based on configured max_vcpu_ids config: x86_64-randconfig-008-20250203 (https://download.01.org/0day-ci/archive/20250204/202502040135.UzvbMEPC-lkp@xxxxxxxxx/config) compiler: clang version 19.1.3 (https://github.com/llvm/llvm-project ab51eccf88f5321e7c60591c5546b254b6afab99) reproduce (this is a W=1 build): (https://download.01.org/0day-ci/archive/20250204/202502040135.UzvbMEPC-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/202502040135.UzvbMEPC-lkp@xxxxxxxxx/ All warnings (new ones prefixed by >>): In file included from arch/x86/kvm/svm/avic.c:20: In file included from include/linux/kvm_host.h:16: In file included from include/linux/mm.h:2223: include/linux/vmstat.h:518:36: warning: arithmetic between different enumeration types ('enum node_stat_item' and 'enum lru_list') [-Wenum-enum-conversion] 518 | return node_stat_name(NR_LRU_BASE + lru) + 3; // skip "nr_" | ~~~~~~~~~~~ ^ ~~~ arch/x86/kvm/svm/avic.c:88:66: error: expected ')' 88 | static inline u32 avic_get_max_physical_id(struct kvm *kvm, bool x2apic_mode) | ^ arch/x86/include/asm/apic.h:258:23: note: expanded from macro 'x2apic_mode' 258 | #define x2apic_mode (0) | ^ arch/x86/kvm/svm/avic.c:88:66: note: to match this '(' arch/x86/include/asm/apic.h:258:22: note: expanded from macro 'x2apic_mode' 258 | #define x2apic_mode (0) | ^ >> arch/x86/kvm/svm/avic.c:88:66: warning: omitting the parameter name in a function definition is a C23 extension [-Wc23-extensions] 88 | static inline u32 avic_get_max_physical_id(struct kvm *kvm, bool x2apic_mode) | ^ arch/x86/include/asm/apic.h:258:23: note: expanded from macro 'x2apic_mode' 258 | #define x2apic_mode (0) | ^ 2 warnings and 1 error generated. vim +88 arch/x86/kvm/svm/avic.c 87 > 88 static inline u32 avic_get_max_physical_id(struct kvm *kvm, bool x2apic_mode) 89 { 90 u32 avic_max_physical_id = x2apic_mode ? x2avic_max_physical_id : AVIC_MAX_PHYSICAL_ID; 91 92 /* 93 * Assume vcpu_id is the same as APIC ID. Per KVM_CAP_MAX_VCPU_ID, max_vcpu_ids 94 * represents the max APIC ID for this vm, rather than the max vcpus. 95 */ 96 return min(kvm->arch.max_vcpu_ids - 1, avic_max_physical_id); 97 } 98 -- 0-DAY CI Kernel Test Service https://github.com/intel/lkp-tests/wiki
