Hi, Thank you for the patch! Perhaps something to improve: [auto build test WARNING on kvm/queue] [also build test WARNING on next-20210506] [cannot apply to vhost/linux-next v5.12] [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] url: https://github.com/0day-ci/linux/commits/ilstam-mailbox-org/KVM-VMX-Implement-nested-TSC-scaling/20210506-183826 base: https://git.kernel.org/pub/scm/virt/kvm/kvm.git queue config: x86_64-randconfig-s021-20210506 (attached as .config) compiler: gcc-9 (Debian 9.3.0-22) 9.3.0 reproduce: # apt-get install sparse # sparse version: v0.6.3-341-g8af24329-dirty # https://github.com/0day-ci/linux/commit/e4ab50e01366b1f40fd84b375b0c93701367af26 git remote add linux-review https://github.com/0day-ci/linux git fetch --no-tags linux-review ilstam-mailbox-org/KVM-VMX-Implement-nested-TSC-scaling/20210506-183826 git checkout e4ab50e01366b1f40fd84b375b0c93701367af26 # save the attached .config to linux build tree make W=1 C=1 CF='-fdiagnostic-prefix -D__CHECK_ENDIAN__' W=1 ARCH=x86_64 If you fix the issue, kindly add following tag as appropriate Reported-by: kernel test robot sparse warnings: (new ones prefixed by >>) arch/x86/kvm/vmx/vmcs12.c:15:9: sparse: sparse: cast truncates bits from constant value (20002 becomes 2) arch/x86/kvm/vmx/vmcs12.c:16:9: sparse: sparse: cast truncates bits from constant value (20082 becomes 82) arch/x86/kvm/vmx/vmcs12.c:17:9: sparse: sparse: cast truncates bits from constant value (20102 becomes 102) arch/x86/kvm/vmx/vmcs12.c:18:9: sparse: sparse: cast truncates bits from constant value (20182 becomes 182) arch/x86/kvm/vmx/vmcs12.c:19:9: sparse: sparse: cast truncates bits from constant value (20202 becomes 202) arch/x86/kvm/vmx/vmcs12.c:20:9: sparse: sparse: cast truncates bits from constant value (20282 becomes 282) arch/x86/kvm/vmx/vmcs12.c:21:9: sparse: sparse: cast truncates bits from constant value (20302 becomes 302) arch/x86/kvm/vmx/vmcs12.c:22:9: sparse: sparse: cast truncates bits from constant value (20382 becomes 382) arch/x86/kvm/vmx/vmcs12.c:23:9: sparse: sparse: cast truncates bits from constant value (20402 becomes 402) arch/x86/kvm/vmx/vmcs12.c:24:9: sparse: sparse: cast truncates bits from constant value (20482 becomes 482) arch/x86/kvm/vmx/vmcs12.c:25:9: sparse: sparse: cast truncates bits from constant value (30003 becomes 3) arch/x86/kvm/vmx/vmcs12.c:26:9: sparse: sparse: cast truncates bits from constant value (30083 becomes 83) arch/x86/kvm/vmx/vmcs12.c:27:9: sparse: sparse: cast truncates bits from constant value (30103 becomes 103) arch/x86/kvm/vmx/vmcs12.c:28:9: sparse: sparse: cast truncates bits from constant value (30183 becomes 183) arch/x86/kvm/vmx/vmcs12.c:29:9: sparse: sparse: cast truncates bits from constant value (30203 becomes 203) arch/x86/kvm/vmx/vmcs12.c:30:9: sparse: sparse: cast truncates bits from constant value (30283 becomes 283) arch/x86/kvm/vmx/vmcs12.c:31:9: sparse: sparse: cast truncates bits from constant value (30303 becomes 303) arch/x86/kvm/vmx/vmcs12.c:32:9: sparse: sparse: cast truncates bits from constant value (80008 becomes 8) arch/x86/kvm/vmx/vmcs12.c:32:9: sparse: sparse: cast truncates bits from constant value (80048 becomes 48) arch/x86/kvm/vmx/vmcs12.c:33:9: sparse: sparse: cast truncates bits from constant value (80088 becomes 88) arch/x86/kvm/vmx/vmcs12.c:33:9: sparse: sparse: cast truncates bits from constant value (800c8 becomes c8) arch/x86/kvm/vmx/vmcs12.c:34:9: sparse: sparse: cast truncates bits from constant value (80108 becomes 108) arch/x86/kvm/vmx/vmcs12.c:34:9: sparse: sparse: cast truncates bits from constant value (80148 becomes 148) arch/x86/kvm/vmx/vmcs12.c:35:9: sparse: sparse: cast truncates bits from constant value (80188 becomes 188) arch/x86/kvm/vmx/vmcs12.c:35:9: sparse: sparse: cast truncates bits from constant value (801c8 becomes 1c8) arch/x86/kvm/vmx/vmcs12.c:36:9: sparse: sparse: cast truncates bits from constant value (80208 becomes 208) arch/x86/kvm/vmx/vmcs12.c:36:9: sparse: sparse: cast truncates bits from constant value (80248 becomes 248) arch/x86/kvm/vmx/vmcs12.c:37:9: sparse: sparse: cast truncates bits from constant value (80288 becomes 288) arch/x86/kvm/vmx/vmcs12.c:37:9: sparse: sparse: cast truncates bits from constant value (802c8 becomes 2c8) arch/x86/kvm/vmx/vmcs12.c:38:9: sparse: sparse: cast truncates bits from constant value (80388 becomes 388) arch/x86/kvm/vmx/vmcs12.c:38:9: sparse: sparse: cast truncates bits from constant value (803c8 becomes 3c8) arch/x86/kvm/vmx/vmcs12.c:39:9: sparse: sparse: cast truncates bits from constant value (80408 becomes 408) arch/x86/kvm/vmx/vmcs12.c:39:9: sparse: sparse: cast truncates bits from constant value (80448 becomes 448) >> arch/x86/kvm/vmx/vmcs12.c:40:9: sparse: sparse: cast truncates bits from constant value (80c88 becomes c88) >> arch/x86/kvm/vmx/vmcs12.c:40:9: sparse: sparse: cast truncates bits from constant value (80cc8 becomes cc8) arch/x86/kvm/vmx/vmcs12.c:41:9: sparse: sparse: cast truncates bits from constant value (80488 becomes 488) arch/x86/kvm/vmx/vmcs12.c:41:9: sparse: sparse: cast truncates bits from constant value (804c8 becomes 4c8) arch/x86/kvm/vmx/vmcs12.c:42:9: sparse: sparse: cast truncates bits from constant value (80508 becomes 508) arch/x86/kvm/vmx/vmcs12.c:42:9: sparse: sparse: cast truncates bits from constant value (80548 becomes 548) arch/x86/kvm/vmx/vmcs12.c:43:9: sparse: sparse: cast truncates bits from constant value (80588 becomes 588) arch/x86/kvm/vmx/vmcs12.c:43:9: sparse: sparse: cast truncates bits from constant value (805c8 becomes 5c8) arch/x86/kvm/vmx/vmcs12.c:44:9: sparse: sparse: cast truncates bits from constant value (80608 becomes 608) arch/x86/kvm/vmx/vmcs12.c:44:9: sparse: sparse: cast truncates bits from constant value (80648 becomes 648) arch/x86/kvm/vmx/vmcs12.c:45:9: sparse: sparse: cast truncates bits from constant value (80688 becomes 688) arch/x86/kvm/vmx/vmcs12.c:45:9: sparse: sparse: cast truncates bits from constant value (806c8 becomes 6c8) arch/x86/kvm/vmx/vmcs12.c:46:9: sparse: sparse: cast truncates bits from constant value (80708 becomes 708) arch/x86/kvm/vmx/vmcs12.c:46:9: sparse: sparse: cast truncates bits from constant value (80748 becomes 748) arch/x86/kvm/vmx/vmcs12.c:47:9: sparse: sparse: cast truncates bits from constant value (80788 becomes 788) arch/x86/kvm/vmx/vmcs12.c:47:9: sparse: sparse: cast truncates bits from constant value (807c8 becomes 7c8) arch/x86/kvm/vmx/vmcs12.c:48:9: sparse: sparse: cast truncates bits from constant value (80808 becomes 808) arch/x86/kvm/vmx/vmcs12.c:48:9: sparse: sparse: cast truncates bits from constant value (80848 becomes 848) arch/x86/kvm/vmx/vmcs12.c:49:9: sparse: sparse: cast truncates bits from constant value (80888 becomes 888) arch/x86/kvm/vmx/vmcs12.c:49:9: sparse: sparse: cast truncates bits from constant value (808c8 becomes 8c8) arch/x86/kvm/vmx/vmcs12.c:50:9: sparse: sparse: cast truncates bits from constant value (80908 becomes 908) arch/x86/kvm/vmx/vmcs12.c:50:9: sparse: sparse: cast truncates bits from constant value (80948 becomes 948) arch/x86/kvm/vmx/vmcs12.c:51:9: sparse: sparse: cast truncates bits from constant value (80988 becomes 988) arch/x86/kvm/vmx/vmcs12.c:51:9: sparse: sparse: cast truncates bits from constant value (809c8 becomes 9c8) arch/x86/kvm/vmx/vmcs12.c:52:9: sparse: sparse: cast truncates bits from constant value (80a08 becomes a08) arch/x86/kvm/vmx/vmcs12.c:52:9: sparse: sparse: cast truncates bits from constant value (80a48 becomes a48) arch/x86/kvm/vmx/vmcs12.c:53:9: sparse: sparse: cast truncates bits from constant value (80b08 becomes b08) arch/x86/kvm/vmx/vmcs12.c:53:9: sparse: sparse: cast truncates bits from constant value (80b48 becomes b48) arch/x86/kvm/vmx/vmcs12.c:54:9: sparse: sparse: cast truncates bits from constant value (80b88 becomes b88) arch/x86/kvm/vmx/vmcs12.c:54:9: sparse: sparse: cast truncates bits from constant value (80bc8 becomes bc8) arch/x86/kvm/vmx/vmcs12.c:55:9: sparse: sparse: cast truncates bits from constant value (90009 becomes 9) arch/x86/kvm/vmx/vmcs12.c:55:9: sparse: sparse: cast truncates bits from constant value (90049 becomes 49) arch/x86/kvm/vmx/vmcs12.c:56:9: sparse: sparse: cast truncates bits from constant value (a000a becomes a) arch/x86/kvm/vmx/vmcs12.c:56:9: sparse: sparse: cast truncates bits from constant value (a004a becomes 4a) arch/x86/kvm/vmx/vmcs12.c:57:9: sparse: sparse: cast truncates bits from constant value (a008a becomes 8a) arch/x86/kvm/vmx/vmcs12.c:57:9: sparse: sparse: cast truncates bits from constant value (a00ca becomes ca) arch/x86/kvm/vmx/vmcs12.c:58:9: sparse: sparse: cast truncates bits from constant value (a010a becomes 10a) arch/x86/kvm/vmx/vmcs12.c:58:9: sparse: sparse: cast truncates bits from constant value (a014a becomes 14a) arch/x86/kvm/vmx/vmcs12.c:59:9: sparse: sparse: cast truncates bits from constant value (a018a becomes 18a) arch/x86/kvm/vmx/vmcs12.c:59:9: sparse: sparse: cast truncates bits from constant value (a01ca becomes 1ca) arch/x86/kvm/vmx/vmcs12.c:60:9: sparse: sparse: cast truncates bits from constant value (a020a becomes 20a) arch/x86/kvm/vmx/vmcs12.c:60:9: sparse: sparse: cast truncates bits from constant value (a024a becomes 24a) arch/x86/kvm/vmx/vmcs12.c:61:9: sparse: sparse: cast truncates bits from constant value (a028a becomes 28a) arch/x86/kvm/vmx/vmcs12.c:61:9: sparse: sparse: cast truncates bits from constant value (a02ca becomes 2ca) arch/x86/kvm/vmx/vmcs12.c:62:9: sparse: sparse: cast truncates bits from constant value (a030a becomes 30a) arch/x86/kvm/vmx/vmcs12.c:62:9: sparse: sparse: cast truncates bits from constant value (a034a becomes 34a) arch/x86/kvm/vmx/vmcs12.c:63:9: sparse: sparse: cast truncates bits from constant value (a038a becomes 38a) arch/x86/kvm/vmx/vmcs12.c:63:9: sparse: sparse: cast truncates bits from constant value (a03ca becomes 3ca) arch/x86/kvm/vmx/vmcs12.c:64:9: sparse: sparse: cast truncates bits from constant value (a040a becomes 40a) arch/x86/kvm/vmx/vmcs12.c:64:9: sparse: sparse: cast truncates bits from constant value (a044a becomes 44a) arch/x86/kvm/vmx/vmcs12.c:65:9: sparse: sparse: cast truncates bits from constant value (a048a becomes 48a) arch/x86/kvm/vmx/vmcs12.c:65:9: sparse: sparse: cast truncates bits from constant value (a04ca becomes 4ca) arch/x86/kvm/vmx/vmcs12.c:66:9: sparse: sparse: cast truncates bits from constant value (b000b becomes b) arch/x86/kvm/vmx/vmcs12.c:66:9: sparse: sparse: cast truncates bits from constant value (b004b becomes 4b) arch/x86/kvm/vmx/vmcs12.c:67:9: sparse: sparse: cast truncates bits from constant value (b008b becomes 8b) arch/x86/kvm/vmx/vmcs12.c:67:9: sparse: sparse: cast truncates bits from constant value (b00cb becomes cb) arch/x86/kvm/vmx/vmcs12.c:68:9: sparse: sparse: cast truncates bits from constant value (b010b becomes 10b) arch/x86/kvm/vmx/vmcs12.c:68:9: sparse: sparse: cast truncates bits from constant value (b014b becomes 14b) arch/x86/kvm/vmx/vmcs12.c:69:9: sparse: sparse: cast truncates bits from constant value (100010 becomes 10) arch/x86/kvm/vmx/vmcs12.c:70:9: sparse: sparse: cast truncates bits from constant value (100090 becomes 90) arch/x86/kvm/vmx/vmcs12.c:71:9: sparse: sparse: cast truncates bits from constant value (100110 becomes 110) arch/x86/kvm/vmx/vmcs12.c:72:9: sparse: sparse: cast truncates bits from constant value (100190 becomes 190) arch/x86/kvm/vmx/vmcs12.c:73:9: sparse: sparse: cast truncates bits from constant value (100210 becomes 210) arch/x86/kvm/vmx/vmcs12.c:74:9: sparse: sparse: cast truncates bits from constant value (100290 becomes 290) arch/x86/kvm/vmx/vmcs12.c:75:9: sparse: sparse: cast truncates bits from constant value (100310 becomes 310) arch/x86/kvm/vmx/vmcs12.c:76:9: sparse: sparse: cast truncates bits from constant value (100390 becomes 390) arch/x86/kvm/vmx/vmcs12.c:77:9: sparse: sparse: too many warnings vim +40 arch/x86/kvm/vmx/vmcs12.c 4 5 #define ROL16(val, n) ((u16)(((u16)(val) << (n)) | ((u16)(val) >> (16 - (n))))) 6 #define VMCS12_OFFSET(x) offsetof(struct vmcs12, x) 7 #define FIELD(number, name) [ROL16(number, 6)] = VMCS12_OFFSET(name) 8 #define FIELD64(number, name) \ 9 FIELD(number, name), \ 10 [ROL16(number##_HIGH, 6)] = VMCS12_OFFSET(name) + sizeof(u32) 11 12 const unsigned short vmcs_field_to_offset_table[] = { 13 FIELD(VIRTUAL_PROCESSOR_ID, virtual_processor_id), 14 FIELD(POSTED_INTR_NV, posted_intr_nv), 15 FIELD(GUEST_ES_SELECTOR, guest_es_selector), 16 FIELD(GUEST_CS_SELECTOR, guest_cs_selector), 17 FIELD(GUEST_SS_SELECTOR, guest_ss_selector), 18 FIELD(GUEST_DS_SELECTOR, guest_ds_selector), 19 FIELD(GUEST_FS_SELECTOR, guest_fs_selector), 20 FIELD(GUEST_GS_SELECTOR, guest_gs_selector), 21 FIELD(GUEST_LDTR_SELECTOR, guest_ldtr_selector), 22 FIELD(GUEST_TR_SELECTOR, guest_tr_selector), 23 FIELD(GUEST_INTR_STATUS, guest_intr_status), 24 FIELD(GUEST_PML_INDEX, guest_pml_index), 25 FIELD(HOST_ES_SELECTOR, host_es_selector), 26 FIELD(HOST_CS_SELECTOR, host_cs_selector), 27 FIELD(HOST_SS_SELECTOR, host_ss_selector), 28 FIELD(HOST_DS_SELECTOR, host_ds_selector), 29 FIELD(HOST_FS_SELECTOR, host_fs_selector), 30 FIELD(HOST_GS_SELECTOR, host_gs_selector), 31 FIELD(HOST_TR_SELECTOR, host_tr_selector), 32 FIELD64(IO_BITMAP_A, io_bitmap_a), 33 FIELD64(IO_BITMAP_B, io_bitmap_b), 34 FIELD64(MSR_BITMAP, msr_bitmap), 35 FIELD64(VM_EXIT_MSR_STORE_ADDR, vm_exit_msr_store_addr), 36 FIELD64(VM_EXIT_MSR_LOAD_ADDR, vm_exit_msr_load_addr), 37 FIELD64(VM_ENTRY_MSR_LOAD_ADDR, vm_entry_msr_load_addr), 38 FIELD64(PML_ADDRESS, pml_address), 39 FIELD64(TSC_OFFSET, tsc_offset), > 40 FIELD64(TSC_MULTIPLIER, tsc_multiplier), --- 0-DAY CI Kernel Test Service, Intel Corporation https://lists.01.org/hyperkitty/list/kbuild-all@lists.01.org