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Message-ID: <202602050849.R6LwiB31-lkp@intel.com>
Date: Thu, 5 Feb 2026 08:12:08 +0800
From: kernel test robot <lkp@...el.com>
To: isaku.yamahata@...el.com, kvm@...r.kernel.org
Cc: oe-kbuild-all@...ts.linux.dev, isaku.yamahata@...el.com,
isaku.yamahata@...il.com, Paolo Bonzini <pbonzini@...hat.com>,
Sean Christopherson <seanjc@...gle.com>,
linux-kernel@...r.kernel.org
Subject: Re: [PATCH 11/32] KVM: nVMX: Add tertiary VM-execution control VMCS
support
Hi,
kernel test robot noticed the following build warnings:
[auto build test WARNING on 63804fed149a6750ffd28610c5c1c98cce6bd377]
url: https://github.com/intel-lab-lkp/linux/commits/isaku-yamahata-intel-com/KVM-VMX-Detect-APIC-timer-virtualization-bit/20260204-023229
base: 63804fed149a6750ffd28610c5c1c98cce6bd377
patch link: https://lore.kernel.org/r/efc567ad1a1e4b6045323f2e78bc51ff948f9a75.1770116051.git.isaku.yamahata%40intel.com
patch subject: [PATCH 11/32] KVM: nVMX: Add tertiary VM-execution control VMCS support
config: i386-randconfig-r112-20260204 (https://download.01.org/0day-ci/archive/20260205/202602050849.R6LwiB31-lkp@intel.com/config)
compiler: gcc-14 (Debian 14.2.0-19) 14.2.0
reproduce (this is a W=1 build): (https://download.01.org/0day-ci/archive/20260205/202602050849.R6LwiB31-lkp@intel.com/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@...el.com>
| Closes: https://lore.kernel.org/oe-kbuild-all/202602050849.R6LwiB31-lkp@intel.com/
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 (80d08 becomes d08)
>> arch/x86/kvm/vmx/vmcs12.c:41:9: sparse: sparse: cast truncates bits from constant value (80d48 becomes d48)
arch/x86/kvm/vmx/vmcs12.c:42:9: sparse: sparse: cast truncates bits from constant value (80488 becomes 488)
arch/x86/kvm/vmx/vmcs12.c:42:9: sparse: sparse: cast truncates bits from constant value (804c8 becomes 4c8)
arch/x86/kvm/vmx/vmcs12.c:43:9: sparse: sparse: cast truncates bits from constant value (80508 becomes 508)
arch/x86/kvm/vmx/vmcs12.c:43:9: sparse: sparse: cast truncates bits from constant value (80548 becomes 548)
arch/x86/kvm/vmx/vmcs12.c:44:9: sparse: sparse: cast truncates bits from constant value (80588 becomes 588)
arch/x86/kvm/vmx/vmcs12.c:44:9: sparse: sparse: cast truncates bits from constant value (805c8 becomes 5c8)
arch/x86/kvm/vmx/vmcs12.c:45:9: sparse: sparse: cast truncates bits from constant value (80608 becomes 608)
arch/x86/kvm/vmx/vmcs12.c:45:9: sparse: sparse: cast truncates bits from constant value (80648 becomes 648)
arch/x86/kvm/vmx/vmcs12.c:46:9: sparse: sparse: cast truncates bits from constant value (80688 becomes 688)
arch/x86/kvm/vmx/vmcs12.c:46:9: sparse: sparse: cast truncates bits from constant value (806c8 becomes 6c8)
arch/x86/kvm/vmx/vmcs12.c:47:9: sparse: sparse: cast truncates bits from constant value (80708 becomes 708)
arch/x86/kvm/vmx/vmcs12.c:47:9: sparse: sparse: cast truncates bits from constant value (80748 becomes 748)
arch/x86/kvm/vmx/vmcs12.c:48:9: sparse: sparse: cast truncates bits from constant value (80788 becomes 788)
arch/x86/kvm/vmx/vmcs12.c:48:9: sparse: sparse: cast truncates bits from constant value (807c8 becomes 7c8)
arch/x86/kvm/vmx/vmcs12.c:49:9: sparse: sparse: cast truncates bits from constant value (80808 becomes 808)
arch/x86/kvm/vmx/vmcs12.c:49:9: sparse: sparse: cast truncates bits from constant value (80848 becomes 848)
arch/x86/kvm/vmx/vmcs12.c:50:9: sparse: sparse: cast truncates bits from constant value (80888 becomes 888)
arch/x86/kvm/vmx/vmcs12.c:50:9: sparse: sparse: cast truncates bits from constant value (808c8 becomes 8c8)
arch/x86/kvm/vmx/vmcs12.c:51:9: sparse: sparse: cast truncates bits from constant value (80908 becomes 908)
arch/x86/kvm/vmx/vmcs12.c:51:9: sparse: sparse: cast truncates bits from constant value (80948 becomes 948)
arch/x86/kvm/vmx/vmcs12.c:52:9: sparse: sparse: cast truncates bits from constant value (80988 becomes 988)
arch/x86/kvm/vmx/vmcs12.c:52:9: sparse: sparse: cast truncates bits from constant value (809c8 becomes 9c8)
arch/x86/kvm/vmx/vmcs12.c:53:9: sparse: sparse: cast truncates bits from constant value (80a08 becomes a08)
arch/x86/kvm/vmx/vmcs12.c:53:9: sparse: sparse: cast truncates bits from constant value (80a48 becomes a48)
arch/x86/kvm/vmx/vmcs12.c:54:9: sparse: sparse: cast truncates bits from constant value (80b08 becomes b08)
arch/x86/kvm/vmx/vmcs12.c:54:9: sparse: sparse: cast truncates bits from constant value (80b48 becomes b48)
arch/x86/kvm/vmx/vmcs12.c:55:9: sparse: sparse: cast truncates bits from constant value (80b88 becomes b88)
arch/x86/kvm/vmx/vmcs12.c:55:9: sparse: sparse: cast truncates bits from constant value (80bc8 becomes bc8)
arch/x86/kvm/vmx/vmcs12.c:56:9: sparse: sparse: cast truncates bits from constant value (90009 becomes 9)
arch/x86/kvm/vmx/vmcs12.c:56:9: sparse: sparse: cast truncates bits from constant value (90049 becomes 49)
arch/x86/kvm/vmx/vmcs12.c:57:9: sparse: sparse: cast truncates bits from constant value (a000a becomes a)
arch/x86/kvm/vmx/vmcs12.c:57:9: sparse: sparse: cast truncates bits from constant value (a004a becomes 4a)
arch/x86/kvm/vmx/vmcs12.c:58:9: sparse: sparse: cast truncates bits from constant value (a008a becomes 8a)
arch/x86/kvm/vmx/vmcs12.c:58:9: sparse: sparse: cast truncates bits from constant value (a00ca becomes ca)
arch/x86/kvm/vmx/vmcs12.c:59:9: sparse: sparse: cast truncates bits from constant value (a010a becomes 10a)
arch/x86/kvm/vmx/vmcs12.c:59:9: sparse: sparse: cast truncates bits from constant value (a014a becomes 14a)
arch/x86/kvm/vmx/vmcs12.c:60:9: sparse: sparse: cast truncates bits from constant value (a018a becomes 18a)
arch/x86/kvm/vmx/vmcs12.c:60:9: sparse: sparse: cast truncates bits from constant value (a01ca becomes 1ca)
arch/x86/kvm/vmx/vmcs12.c:61:9: sparse: sparse: cast truncates bits from constant value (a020a becomes 20a)
arch/x86/kvm/vmx/vmcs12.c:61:9: sparse: sparse: cast truncates bits from constant value (a024a becomes 24a)
arch/x86/kvm/vmx/vmcs12.c:62:9: sparse: sparse: cast truncates bits from constant value (a028a becomes 28a)
arch/x86/kvm/vmx/vmcs12.c:62:9: sparse: sparse: cast truncates bits from constant value (a02ca becomes 2ca)
arch/x86/kvm/vmx/vmcs12.c:63:9: sparse: sparse: cast truncates bits from constant value (a030a becomes 30a)
arch/x86/kvm/vmx/vmcs12.c:63:9: sparse: sparse: cast truncates bits from constant value (a034a becomes 34a)
arch/x86/kvm/vmx/vmcs12.c:64:9: sparse: sparse: cast truncates bits from constant value (a038a becomes 38a)
arch/x86/kvm/vmx/vmcs12.c:64:9: sparse: sparse: cast truncates bits from constant value (a03ca becomes 3ca)
arch/x86/kvm/vmx/vmcs12.c:65:9: sparse: sparse: cast truncates bits from constant value (a040a becomes 40a)
arch/x86/kvm/vmx/vmcs12.c:65:9: sparse: sparse: cast truncates bits from constant value (a044a becomes 44a)
arch/x86/kvm/vmx/vmcs12.c:66:9: sparse: sparse: cast truncates bits from constant value (a048a becomes 48a)
arch/x86/kvm/vmx/vmcs12.c:66:9: sparse: sparse: cast truncates bits from constant value (a04ca becomes 4ca)
arch/x86/kvm/vmx/vmcs12.c:67:9: sparse: sparse: cast truncates bits from constant value (b000b becomes b)
arch/x86/kvm/vmx/vmcs12.c:67:9: sparse: sparse: cast truncates bits from constant value (b004b becomes 4b)
arch/x86/kvm/vmx/vmcs12.c:68:9: sparse: sparse: cast truncates bits from constant value (b008b becomes 8b)
arch/x86/kvm/vmx/vmcs12.c:68:9: sparse: sparse: cast truncates bits from constant value (b00cb becomes cb)
arch/x86/kvm/vmx/vmcs12.c:69:9: sparse: sparse: cast truncates bits from constant value (b010b becomes 10b)
arch/x86/kvm/vmx/vmcs12.c:69:9: sparse: sparse: cast truncates bits from constant value (b014b becomes 14b)
arch/x86/kvm/vmx/vmcs12.c:70:9: sparse: sparse: cast truncates bits from constant value (100010 becomes 10)
arch/x86/kvm/vmx/vmcs12.c:71:9: sparse: sparse: cast truncates bits from constant value (100090 becomes 90)
arch/x86/kvm/vmx/vmcs12.c:72:9: sparse: sparse: cast truncates bits from constant value (100110 becomes 110)
arch/x86/kvm/vmx/vmcs12.c:73:9: sparse: sparse: cast truncates bits from constant value (100190 becomes 190)
arch/x86/kvm/vmx/vmcs12.c:74:9: sparse: sparse: cast truncates bits from constant value (100210 becomes 210)
arch/x86/kvm/vmx/vmcs12.c:75:9: sparse: sparse: cast truncates bits from constant value (100290 becomes 290)
arch/x86/kvm/vmx/vmcs12.c:76:9: sparse: sparse: cast truncates bits from constant value (100310 becomes 310)
arch/x86/kvm/vmx/vmcs12.c:77:9: sparse: sparse: cast truncates bits from constant value (100390 becomes 390)
arch/x86/kvm/vmx/vmcs12.c:78:9: sparse: sparse: cast truncates bits from constant value (100410 becomes 410)
arch/x86/kvm/vmx/vmcs12.c:79:9: sparse: sparse: cast truncates bits from constant value (100490 becomes 490)
arch/x86/kvm/vmx/vmcs12.c:80:9: sparse: sparse: cast truncates bits from constant value (100510 becomes 510)
arch/x86/kvm/vmx/vmcs12.c:81:9: sparse: sparse: cast truncates bits from constant value (100590 becomes 590)
arch/x86/kvm/vmx/vmcs12.c:82:9: sparse: sparse: cast truncates bits from constant value (100610 becomes 610)
arch/x86/kvm/vmx/vmcs12.c:83:9: sparse: sparse: cast truncates bits from constant value (100690 becomes 690)
arch/x86/kvm/vmx/vmcs12.c:84:9: sparse: sparse: cast truncates bits from constant value (100710 becomes 710)
arch/x86/kvm/vmx/vmcs12.c:85:9: sparse: sparse: cast truncates bits from constant value (100790 becomes 790)
arch/x86/kvm/vmx/vmcs12.c:86:9: sparse: sparse: cast truncates bits from constant value (110011 becomes 11)
arch/x86/kvm/vmx/vmcs12.c:87:9: sparse: sparse: cast truncates bits from constant value (110091 becomes 91)
arch/x86/kvm/vmx/vmcs12.c:88:9: sparse: sparse: cast truncates bits from constant value (110111 becomes 111)
arch/x86/kvm/vmx/vmcs12.c:89:9: sparse: sparse: cast truncates bits from constant value (110191 becomes 191)
arch/x86/kvm/vmx/vmcs12.c:90:9: sparse: sparse: cast truncates bits from constant value (110211 becomes 211)
arch/x86/kvm/vmx/vmcs12.c:91:9: sparse: sparse: cast truncates bits from constant value (110291 becomes 291)
arch/x86/kvm/vmx/vmcs12.c:92:9: sparse: sparse: cast truncates bits from constant value (110311 becomes 311)
arch/x86/kvm/vmx/vmcs12.c:93:9: sparse: sparse: cast truncates bits from constant value (110391 becomes 391)
arch/x86/kvm/vmx/vmcs12.c:94:9: sparse: sparse: cast truncates bits from constant value (120012 becomes 12)
arch/x86/kvm/vmx/vmcs12.c:95:9: sparse: sparse: cast truncates bits from constant value (120092 becomes 92)
arch/x86/kvm/vmx/vmcs12.c:96:9: sparse: sparse: cast truncates bits from constant value (120112 becomes 112)
arch/x86/kvm/vmx/vmcs12.c:97:9: sparse: sparse: cast truncates bits from constant value (120192 becomes 192)
arch/x86/kvm/vmx/vmcs12.c:98:9: sparse: sparse: cast truncates bits from constant value (120212 becomes 212)
arch/x86/kvm/vmx/vmcs12.c:99:9: sparse: sparse: cast truncates bits from constant value (120292 becomes 292)
arch/x86/kvm/vmx/vmcs12.c:100:9: sparse: sparse: cast truncates bits from constant value (120312 becomes 312)
arch/x86/kvm/vmx/vmcs12.c:101:9: sparse: sparse: cast truncates bits from constant value (120392 becomes 392)
arch/x86/kvm/vmx/vmcs12.c:102:9: sparse: sparse: cast truncates bits from constant value (120412 becomes 412)
arch/x86/kvm/vmx/vmcs12.c:103:9: sparse: sparse: cast truncates bits from constant value (120492 becomes 492)
arch/x86/kvm/vmx/vmcs12.c:104:9: sparse: sparse: cast truncates bits from constant value (120512 becomes 512)
arch/x86/kvm/vmx/vmcs12.c:105:9: sparse: sparse: cast truncates bits from constant value (120592 becomes 592)
arch/x86/kvm/vmx/vmcs12.c:106:9: sparse: sparse: cast truncates bits from constant value (120612 becomes 612)
arch/x86/kvm/vmx/vmcs12.c:107:9: sparse: sparse: cast truncates bits from constant value (120692 becomes 692)
arch/x86/kvm/vmx/vmcs12.c:108:9: sparse: sparse: cast truncates bits from constant value (120712 becomes 712)
arch/x86/kvm/vmx/vmcs12.c:109:9: sparse: sparse: cast truncates bits from constant value (120792 becomes 792)
arch/x86/kvm/vmx/vmcs12.c:110:9: sparse: sparse: cast truncates bits from constant value (120812 becomes 812)
arch/x86/kvm/vmx/vmcs12.c:111:9: sparse: sparse: cast truncates bits from constant value (120892 becomes 892)
arch/x86/kvm/vmx/vmcs12.c:112:9: sparse: sparse: cast truncates bits from constant value (120912 becomes 912)
arch/x86/kvm/vmx/vmcs12.c:113:9: sparse: sparse: cast truncates bits from constant value (120992 becomes 992)
vim +41 arch/x86/kvm/vmx/vmcs12.c
5
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 vmcs12_field_offsets[] = {
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),
> 41 FIELD64(TERTIARY_VM_EXEC_CONTROL, tertiary_vm_exec_control),
--
0-DAY CI Kernel Test Service
https://github.com/intel/lkp-tests/wiki
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