* arch/x86/kvm/vmx/hyperv_evmcs.h:133:30: sparse: sparse: cast truncates bits from constant value (1b069b becomes 69b)
@ 2026-09-10 7:40 kernel test robot
0 siblings, 0 replies; 2+ messages in thread
From: kernel test robot @ 2026-09-10 7:40 UTC (permalink / raw)
To: oe-kbuild; +Cc: lkp
::::::
:::::: Manual check reason: "sparse: cast truncates bits from constant value in ROL16 macro"
::::::
BCC: lkp@intel.com
CC: oe-kbuild-all@lists.linux.dev
CC: linux-kernel@vger.kernel.org
CC: Sean Christopherson <seanjc@google.com>
CC: Maxim Levitsky <mlevitsk@redhat.com>
CC: Chao Gao <chao.gao@intel.com>
CC: Xiaoyao Li <xiaoyao.li@intel.com>
CC: Binbin Wu <binbin.wu@linux.intel.com>
tree: https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git master
head: 50d05c7c76c96b90462f24debacca971d2e86713
commit: 584ba3ffb9843fd12d3b4a33cfe056e2264392a0 KVM: VMX: Set host constant supervisor states to VMCS fields
date: 12 months ago
:::::: branch date: 14 hours ago
:::::: commit date: 12 months ago
config: i386-randconfig-r122-20260910 (https://download.01.org/0day-ci/archive/20260910/202609101535.zooY8pPG-lkp@intel.com/config)
compiler: clang version 22.1.3 (https://github.com/llvm/llvm-project e9846648fd6183ee6d8cbdb4502213fcf902a211)
sparse: v0.6.5-rc1
reproduce (this is a W=1 build): (https://download.01.org/0day-ci/archive/20260910/202609101535.zooY8pPG-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
| Fixes: 584ba3ffb984 ("KVM: VMX: Set host constant supervisor states to VMCS fields")
| Reported-by: kernel test robot <lkp@intel.com>
| Closes: https://lore.kernel.org/r/202609101535.zooY8pPG-lkp@intel.com/
sparse warnings: (new ones prefixed by >>)
arch/x86/kvm/vmx/hyperv_evmcs.h:133:30: sparse: sparse: cast truncates bits from constant value (1b031b becomes 31b)
arch/x86/kvm/vmx/hyperv_evmcs.h:133:30: sparse: sparse: cast truncates bits from constant value (1b041b becomes 41b)
arch/x86/kvm/vmx/hyperv_evmcs.h:133:30: sparse: sparse: cast truncates bits from constant value (1a081a becomes 81a)
arch/x86/kvm/vmx/hyperv_evmcs.h:133:30: sparse: sparse: cast truncates bits from constant value (1a081a becomes 81a)
arch/x86/kvm/vmx/hyperv_evmcs.h:133:30: sparse: sparse: cast truncates bits from constant value (1a081a becomes 81a)
arch/x86/kvm/vmx/hyperv_evmcs.h:133:30: sparse: sparse: cast truncates bits from constant value (120912 becomes 912)
arch/x86/kvm/vmx/hyperv_evmcs.h:133:30: sparse: sparse: cast truncates bits from constant value (120912 becomes 912)
arch/x86/kvm/vmx/hyperv_evmcs.h:133:30: sparse: sparse: cast truncates bits from constant value (120912 becomes 912)
arch/x86/kvm/vmx/hyperv_evmcs.h:133:30: sparse: sparse: cast truncates bits from constant value (110311 becomes 311)
arch/x86/kvm/vmx/hyperv_evmcs.h:133:30: sparse: sparse: cast truncates bits from constant value (120992 becomes 992)
arch/x86/kvm/vmx/hyperv_evmcs.h:133:30: sparse: sparse: cast truncates bits from constant value (120992 becomes 992)
arch/x86/kvm/vmx/hyperv_evmcs.h:133:30: sparse: sparse: cast truncates bits from constant value (100610 becomes 610)
arch/x86/kvm/vmx/hyperv_evmcs.h:133:30: sparse: sparse: cast truncates bits from constant value (100690 becomes 690)
arch/x86/kvm/vmx/hyperv_evmcs.h:133:30: sparse: sparse: cast truncates bits from constant value (100590 becomes 590)
arch/x86/kvm/vmx/hyperv_evmcs.h:133:30: sparse: sparse: cast truncates bits from constant value (80408 becomes 408)
arch/x86/kvm/vmx/hyperv_evmcs.h:133:30: sparse: sparse: cast truncates bits from constant value (80c88 becomes c88)
arch/x86/kvm/vmx/hyperv_evmcs.h:133:30: sparse: sparse: cast truncates bits from constant value (120a92 becomes a92)
arch/x86/kvm/vmx/hyperv_evmcs.h:133:30: sparse: sparse: cast truncates bits from constant value (1a099a becomes 99a)
arch/x86/kvm/vmx/hyperv_evmcs.h:133:30: sparse: sparse: cast truncates bits from constant value (1a091a becomes 91a)
arch/x86/kvm/vmx/hyperv_evmcs.h:133:30: sparse: sparse: cast truncates bits from constant value (a048a becomes 48a)
arch/x86/kvm/vmx/hyperv_evmcs.h:133:30: sparse: sparse: cast truncates bits from constant value (1a0a1a becomes a1a)
arch/x86/kvm/vmx/hyperv_evmcs.h:133:30: sparse: sparse: cast truncates bits from constant value (1a0a9a becomes a9a)
arch/x86/kvm/vmx/hyperv_evmcs.h:133:30: sparse: sparse: cast truncates bits from constant value (1a0b1a becomes b1a)
arch/x86/kvm/vmx/hyperv_evmcs.h:133:30: sparse: sparse: cast truncates bits from constant value (a008a becomes 8a)
arch/x86/kvm/vmx/hyperv_evmcs.h:133:30: sparse: sparse: cast truncates bits from constant value (120a92 becomes a92)
arch/x86/kvm/vmx/hyperv_evmcs.h:133:30: sparse: sparse: cast truncates bits from constant value (1a099a becomes 99a)
arch/x86/kvm/vmx/hyperv_evmcs.h:133:30: sparse: sparse: cast truncates bits from constant value (1a091a becomes 91a)
arch/x86/kvm/vmx/hyperv_evmcs.h:133:30: sparse: sparse: cast truncates bits from constant value (a008a becomes 8a)
arch/x86/kvm/vmx/hyperv_evmcs.h:133:30: sparse: sparse: cast truncates bits from constant value (a048a becomes 48a)
arch/x86/kvm/vmx/hyperv_evmcs.h:133:30: sparse: sparse: cast truncates bits from constant value (a010a becomes 10a)
arch/x86/kvm/vmx/hyperv_evmcs.h:133:30: sparse: sparse: cast truncates bits from constant value (80b88 becomes b88)
arch/x86/kvm/vmx/hyperv_evmcs.h:133:30: sparse: sparse: cast truncates bits from constant value (a050a becomes 50a)
arch/x86/kvm/vmx/hyperv_evmcs.h:133:30: sparse: sparse: cast truncates bits from constant value (1a0a1a becomes a1a)
arch/x86/kvm/vmx/hyperv_evmcs.h:133:30: sparse: sparse: cast truncates bits from constant value (1a0a9a becomes a9a)
arch/x86/kvm/vmx/hyperv_evmcs.h:133:30: sparse: sparse: cast truncates bits from constant value (1a0b1a becomes b1a)
arch/x86/kvm/vmx/hyperv_evmcs.h:133:30: sparse: sparse: cast truncates bits from constant value (1a071a becomes 71a)
arch/x86/kvm/vmx/hyperv_evmcs.h:133:30: sparse: sparse: cast truncates bits from constant value (1a079a becomes 79a)
arch/x86/kvm/vmx/hyperv_evmcs.h:133:30: sparse: sparse: cast truncates bits from constant value (1a001a becomes 1a)
arch/x86/kvm/vmx/hyperv_evmcs.h:133:30: sparse: sparse: cast truncates bits from constant value (1a009a becomes 9a)
arch/x86/kvm/vmx/hyperv_evmcs.h:133:30: sparse: sparse: cast truncates bits from constant value (1a011a becomes 11a)
arch/x86/kvm/vmx/hyperv_evmcs.h:133:30: sparse: sparse: cast truncates bits from constant value (1a081a becomes 81a)
arch/x86/kvm/vmx/hyperv_evmcs.h:133:30: sparse: sparse: cast truncates bits from constant value (1a081a becomes 81a)
arch/x86/kvm/vmx/hyperv_evmcs.h:133:30: sparse: sparse: cast truncates bits from constant value (1a011a becomes 11a)
arch/x86/kvm/vmx/hyperv_evmcs.h:133:30: sparse: sparse: cast truncates bits from constant value (180198 becomes 198)
arch/x86/kvm/vmx/hyperv_evmcs.h:133:30: sparse: sparse: cast truncates bits from constant value (1a011a becomes 11a)
arch/x86/kvm/vmx/hyperv_evmcs.h:133:30: sparse: sparse: cast truncates bits from constant value (1a051a becomes 51a)
arch/x86/kvm/vmx/hyperv_evmcs.h:133:30: sparse: sparse: cast truncates bits from constant value (120392 becomes 392)
arch/x86/kvm/vmx/hyperv_evmcs.h:133:30: sparse: sparse: cast truncates bits from constant value (120892 becomes 892)
arch/x86/kvm/vmx/hyperv_evmcs.h:133:30: sparse: sparse: cast truncates bits from constant value (1a081a becomes 81a)
arch/x86/kvm/vmx/hyperv_evmcs.h:133:30: sparse: sparse: cast truncates bits from constant value (1a081a becomes 81a)
arch/x86/kvm/vmx/hyperv_evmcs.h:133:30: sparse: sparse: cast truncates bits from constant value (1a011a becomes 11a)
arch/x86/kvm/vmx/hyperv_evmcs.h:133:30: sparse: sparse: cast truncates bits from constant value (1a011a becomes 11a)
arch/x86/kvm/vmx/hyperv_evmcs.h:133:30: sparse: sparse: cast truncates bits from constant value (a028a becomes 28a)
arch/x86/kvm/vmx/hyperv_evmcs.h:133:30: sparse: sparse: cast truncates bits from constant value (a030a becomes 30a)
arch/x86/kvm/vmx/hyperv_evmcs.h:133:30: sparse: sparse: cast truncates bits from constant value (a038a becomes 38a)
arch/x86/kvm/vmx/hyperv_evmcs.h:133:30: sparse: sparse: cast truncates bits from constant value (a040a becomes 40a)
arch/x86/kvm/vmx/hyperv_evmcs.h:133:30: sparse: sparse: cast truncates bits from constant value (a028a becomes 28a)
arch/x86/kvm/vmx/hyperv_evmcs.h:133:30: sparse: sparse: cast truncates bits from constant value (a030a becomes 30a)
arch/x86/kvm/vmx/hyperv_evmcs.h:133:30: sparse: sparse: cast truncates bits from constant value (a038a becomes 38a)
arch/x86/kvm/vmx/hyperv_evmcs.h:133:30: sparse: sparse: cast truncates bits from constant value (a040a becomes 40a)
arch/x86/kvm/vmx/hyperv_evmcs.h:133:30: sparse: sparse: cast truncates bits from constant value (180118 becomes 118)
arch/x86/kvm/vmx/hyperv_evmcs.h:133:30: sparse: sparse: cast truncates bits from constant value (1a001a becomes 1a)
arch/x86/kvm/vmx/hyperv_evmcs.h:133:30: sparse: sparse: cast truncates bits from constant value (100090 becomes 90)
arch/x86/kvm/vmx/hyperv_evmcs.h:133:30: sparse: sparse: cast truncates bits from constant value (100090 becomes 90)
arch/x86/kvm/vmx/hyperv_evmcs.h:133:30: sparse: sparse: cast truncates bits from constant value (100090 becomes 90)
arch/x86/kvm/vmx/hyperv_evmcs.h:133:30: sparse: sparse: cast truncates bits from constant value (80688 becomes 688)
arch/x86/kvm/vmx/hyperv_evmcs.h:133:30: sparse: sparse: cast truncates bits from constant value (1a009a becomes 9a)
arch/x86/kvm/vmx/hyperv_evmcs.h:133:30: sparse: sparse: cast truncates bits from constant value (100790 becomes 790)
arch/x86/kvm/vmx/hyperv_evmcs.h:133:30: sparse: sparse: cast truncates bits from constant value (100790 becomes 790)
arch/x86/kvm/vmx/hyperv_evmcs.h:133:30: sparse: sparse: cast truncates bits from constant value (180198 becomes 198)
arch/x86/kvm/vmx/hyperv_evmcs.h:133:30: sparse: sparse: cast truncates bits from constant value (1a011a becomes 11a)
arch/x86/kvm/vmx/hyperv_evmcs.h:133:30: sparse: sparse: cast truncates bits from constant value (120612 becomes 612)
arch/x86/kvm/vmx/hyperv_evmcs.h:133:30: sparse: sparse: cast truncates bits from constant value (120492 becomes 492)
arch/x86/kvm/vmx/hyperv_evmcs.h:133:30: sparse: sparse: cast truncates bits from constant value (1a061a becomes 61a)
arch/x86/kvm/vmx/hyperv_evmcs.h:133:30: sparse: sparse: cast truncates bits from constant value (120492 becomes 492)
arch/x86/kvm/vmx/hyperv_evmcs.h:133:30: sparse: sparse: cast truncates bits from constant value (1a061a becomes 61a)
arch/x86/kvm/vmx/hyperv_evmcs.h:133:30: sparse: sparse: cast truncates bits from constant value (120412 becomes 412)
arch/x86/kvm/vmx/hyperv_evmcs.h:133:30: sparse: sparse: cast truncates bits from constant value (1a059a becomes 59a)
arch/x86/kvm/vmx/hyperv_evmcs.h:133:30: sparse: sparse: cast truncates bits from constant value (120412 becomes 412)
arch/x86/kvm/vmx/hyperv_evmcs.h:133:30: sparse: sparse: cast truncates bits from constant value (1a059a becomes 59a)
arch/x86/kvm/vmx/vmx.c: note: in included file (through arch/x86/include/asm/page.h, arch/x86/include/asm/thread_info.h, include/linux/thread_info.h, include/linux/spinlock.h, ...):
include/asm-generic/memory_model.h:30:23: sparse: sparse: unsigned value that used to be signed checked against zero?
arch/x86/kvm/vmx/vmx.c:3869:48: sparse: signed value source
arch/x86/kvm/vmx/vmx.c: note: in included file (through arch/x86/kvm/vmx/vmx_onhyperv.h, arch/x86/kvm/vmx/vmx_ops.h, arch/x86/kvm/vmx/vmx.h, arch/x86/kvm/vmx/hyperv.h):
arch/x86/kvm/vmx/hyperv_evmcs.h:133:30: sparse: sparse: cast truncates bits from constant value (1b001b becomes 1b)
arch/x86/kvm/vmx/hyperv_evmcs.h:133:30: sparse: sparse: cast truncates bits from constant value (1b009b becomes 9b)
arch/x86/kvm/vmx/hyperv_evmcs.h:133:30: sparse: sparse: cast truncates bits from constant value (1b011b becomes 11b)
arch/x86/kvm/vmx/hyperv_evmcs.h:133:30: sparse: sparse: cast truncates bits from constant value (30083 becomes 83)
arch/x86/kvm/vmx/hyperv_evmcs.h:133:30: sparse: sparse: cast truncates bits from constant value (30183 becomes 183)
arch/x86/kvm/vmx/hyperv_evmcs.h:133:30: sparse: sparse: cast truncates bits from constant value (30003 becomes 3)
arch/x86/kvm/vmx/hyperv_evmcs.h:133:30: sparse: sparse: cast truncates bits from constant value (30103 becomes 103)
arch/x86/kvm/vmx/hyperv_evmcs.h:133:30: sparse: sparse: cast truncates bits from constant value (30303 becomes 303)
arch/x86/kvm/vmx/hyperv_evmcs.h:133:30: sparse: sparse: cast truncates bits from constant value (1b039b becomes 39b)
arch/x86/kvm/vmx/hyperv_evmcs.h:133:30: sparse: sparse: cast truncates bits from constant value (1b059b becomes 59b)
arch/x86/kvm/vmx/hyperv_evmcs.h:133:30: sparse: sparse: cast truncates bits from constant value (130013 becomes 13)
arch/x86/kvm/vmx/hyperv_evmcs.h:133:30: sparse: sparse: cast truncates bits from constant value (1b041b becomes 41b)
arch/x86/kvm/vmx/hyperv_evmcs.h:133:30: sparse: sparse: cast truncates bits from constant value (1b049b becomes 49b)
arch/x86/kvm/vmx/hyperv_evmcs.h:133:30: sparse: sparse: cast truncates bits from constant value (b000b becomes b)
arch/x86/kvm/vmx/hyperv_evmcs.h:133:30: sparse: sparse: cast truncates bits from constant value (b008b becomes 8b)
arch/x86/kvm/vmx/hyperv_evmcs.h:133:30: sparse: sparse: cast truncates bits from constant value (1b061b becomes 61b)
>> arch/x86/kvm/vmx/hyperv_evmcs.h:133:30: sparse: sparse: cast truncates bits from constant value (1b069b becomes 69b)
arch/x86/kvm/vmx/hyperv_evmcs.h:133:30: sparse: sparse: cast truncates bits from constant value (1b071b becomes 71b)
arch/x86/kvm/vmx/hyperv_evmcs.h:133:30: sparse: sparse: cast truncates bits from constant value (180098 becomes 98)
arch/x86/kvm/vmx/hyperv_evmcs.h:133:30: sparse: sparse: cast truncates bits from constant value (100010 becomes 10)
arch/x86/kvm/vmx/hyperv_evmcs.h:133:30: sparse: sparse: cast truncates bits from constant value (100790 becomes 790)
arch/x86/kvm/vmx/hyperv_evmcs.h:133:30: sparse: sparse: cast truncates bits from constant value (100790 becomes 790)
arch/x86/kvm/vmx/hyperv_evmcs.h:133:30: sparse: sparse: cast truncates bits from constant value (80d08 becomes d08)
arch/x86/kvm/vmx/hyperv_evmcs.h:133:30: sparse: sparse: cast truncates bits from constant value (80d08 becomes d08)
arch/x86/kvm/vmx/hyperv_evmcs.h:133:30: sparse: sparse: cast truncates bits from constant value (80108 becomes 108)
arch/x86/kvm/vmx/hyperv_evmcs.h:133:30: sparse: sparse: cast truncates bits from constant value (a000a becomes a)
arch/x86/kvm/vmx/hyperv_evmcs.h:133:30: sparse: sparse: cast truncates bits from constant value (100010 becomes 10)
arch/x86/kvm/vmx/hyperv_evmcs.h:133:30: sparse: sparse: cast truncates bits from constant value (100090 becomes 90)
arch/x86/kvm/vmx/hyperv_evmcs.h:133:30: sparse: sparse: cast truncates bits from constant value (100790 becomes 790)
arch/x86/kvm/vmx/hyperv_evmcs.h:133:30: sparse: sparse: cast truncates bits from constant value (80a88 becomes a88)
arch/x86/kvm/vmx/hyperv_evmcs.h:133:30: sparse: sparse: cast truncates bits from constant value (80d08 becomes d08)
arch/x86/kvm/vmx/hyperv_evmcs.h:133:30: sparse: sparse: cast truncates bits from constant value (80708 becomes 708)
arch/x86/kvm/vmx/hyperv_evmcs.h:133:30: sparse: sparse: cast truncates bits from constant value (80788 becomes 788)
arch/x86/kvm/vmx/hyperv_evmcs.h:133:30: sparse: sparse: cast truncates bits from constant value (80808 becomes 808)
arch/x86/kvm/vmx/hyperv_evmcs.h:133:30: sparse: sparse: cast truncates bits from constant value (80888 becomes 888)
arch/x86/kvm/vmx/hyperv_evmcs.h:133:30: sparse: sparse: cast truncates bits from constant value (20402 becomes 402)
arch/x86/kvm/vmx/hyperv_evmcs.h:133:30: sparse: sparse: cast truncates bits from constant value (80588 becomes 588)
arch/x86/kvm/vmx/hyperv_evmcs.h:133:30: sparse: sparse: cast truncates bits from constant value (81088 becomes 1088)
arch/x86/kvm/vmx/hyperv_evmcs.h:133:30: sparse: sparse: cast truncates bits from constant value (100810 becomes 810)
arch/x86/kvm/vmx/hyperv_evmcs.h:133:30: sparse: sparse: cast truncates bits from constant value (100910 becomes 910)
arch/x86/kvm/vmx/hyperv_evmcs.h:133:30: sparse: sparse: cast truncates bits from constant value (100190 becomes 190)
arch/x86/kvm/vmx/hyperv_evmcs.h:133:30: sparse: sparse: cast truncates bits from constant value (100210 becomes 210)
arch/x86/kvm/vmx/hyperv_evmcs.h:133:30: sparse: sparse: cast truncates bits from constant value (100290 becomes 290)
arch/x86/kvm/vmx/hyperv_evmcs.h:133:30: sparse: sparse: cast truncates bits from constant value (30203 becomes 203)
arch/x86/kvm/vmx/hyperv_evmcs.h:133:30: sparse: sparse: cast truncates bits from constant value (30283 becomes 283)
arch/x86/kvm/vmx/hyperv_evmcs.h:133:30: sparse: sparse: cast truncates bits from constant value (1b019b becomes 19b)
arch/x86/kvm/vmx/hyperv_evmcs.h:133:30: sparse: sparse: cast truncates bits from constant value (1b021b becomes 21b)
arch/x86/kvm/vmx/hyperv_evmcs.h:133:30: sparse: sparse: cast truncates bits from constant value (80608 becomes 608)
arch/x86/kvm/vmx/hyperv_evmcs.h:133:30: sparse: sparse: cast truncates bits from constant value (100390 becomes 390)
arch/x86/kvm/vmx/hyperv_evmcs.h:133:30: sparse: sparse: cast truncates bits from constant value (100410 becomes 410)
arch/x86/kvm/vmx/hyperv_evmcs.h:133:30: sparse: sparse: cast truncates bits from constant value (80208 becomes 208)
arch/x86/kvm/vmx/hyperv_evmcs.h:133:30: sparse: sparse: cast truncates bits from constant value (100510 becomes 510)
arch/x86/kvm/vmx/hyperv_evmcs.h:133:30: sparse: sparse: cast truncates bits from constant value (80288 becomes 288)
arch/x86/kvm/vmx/hyperv_evmcs.h:133:30: sparse: sparse: cast truncates bits from constant value (a010a becomes 10a)
arch/x86/kvm/vmx/hyperv_evmcs.h:133:30: sparse: sparse: cast truncates bits from constant value (100310 becomes 310)
arch/x86/kvm/vmx/hyperv_evmcs.h:133:30: sparse: sparse: cast truncates bits from constant value (100490 becomes 490)
arch/x86/kvm/vmx/hyperv_evmcs.h:133:30: sparse: sparse: cast truncates bits from constant value (180018 becomes 18)
arch/x86/kvm/vmx/hyperv_evmcs.h:133:30: sparse: sparse: cast truncates bits from constant value (80b08 becomes b08)
arch/x86/kvm/vmx/hyperv_evmcs.h:133:30: sparse: sparse: cast truncates bits from constant value (80388 becomes 388)
arch/x86/kvm/vmx/hyperv_evmcs.h:133:30: sparse: sparse: cast truncates bits from constant value (20482 becomes 482)
arch/x86/kvm/vmx/hyperv_evmcs.h:133:30: sparse: sparse: cast truncates bits from constant value (80b88 becomes b88)
arch/x86/kvm/vmx/hyperv_evmcs.h:133:30: sparse: sparse: cast truncates bits from constant value (a050a becomes 50a)
arch/x86/kvm/vmx/hyperv_evmcs.h:133:30: sparse: sparse: cast truncates bits from constant value (120a92 becomes a92)
arch/x86/kvm/vmx/hyperv_evmcs.h:133:30: sparse: sparse: cast truncates bits from constant value (1a091a becomes 91a)
arch/x86/kvm/vmx/hyperv_evmcs.h:133:30: sparse: sparse: cast truncates bits from constant value (1a099a becomes 99a)
arch/x86/kvm/vmx/hyperv_evmcs.h:133:30: sparse: sparse: cast truncates bits from constant value (a008a becomes 8a)
arch/x86/kvm/vmx/hyperv_evmcs.h:133:30: sparse: sparse: cast truncates bits from constant value (80488 becomes 488)
arch/x86/kvm/vmx/hyperv_evmcs.h:133:30: sparse: sparse: cast truncates bits from constant value (80488 becomes 488)
arch/x86/kvm/vmx/hyperv_evmcs.h:133:30: sparse: sparse: cast truncates bits from constant value (100710 becomes 710)
arch/x86/kvm/vmx/vmx.c: note: in included file (through arch/x86/include/asm/page.h, arch/x86/include/asm/thread_info.h, include/linux/thread_info.h, include/linux/spinlock.h, ...):
include/asm-generic/memory_model.h:30:23: sparse: sparse: unsigned value that used to be signed checked against zero?
arch/x86/kvm/vmx/vmx.c:4757:43: sparse: signed value source
arch/x86/kvm/vmx/vmx.c: note: in included file (through arch/x86/kvm/vmx/vmx_onhyperv.h, arch/x86/kvm/vmx/vmx_ops.h, arch/x86/kvm/vmx/vmx.h, arch/x86/kvm/vmx/hyperv.h):
arch/x86/kvm/vmx/hyperv_evmcs.h:133:30: sparse: sparse: cast truncates bits from constant value (20082 becomes 82)
arch/x86/kvm/vmx/hyperv_evmcs.h:133:30: sparse: sparse: cast truncates bits from constant value (1a021a becomes 21a)
arch/x86/kvm/vmx/hyperv_evmcs.h:133:30: sparse: sparse: cast truncates bits from constant value (20382 becomes 382)
arch/x86/kvm/vmx/hyperv_evmcs.h:133:30: sparse: sparse: cast truncates bits from constant value (1a051a becomes 51a)
arch/x86/kvm/vmx/hyperv_evmcs.h:133:30: sparse: sparse: cast truncates bits from constant value (120392 becomes 392)
arch/x86/kvm/vmx/hyperv_evmcs.h:133:30: sparse: sparse: cast truncates bits from constant value (120892 becomes 892)
arch/x86/kvm/vmx/hyperv_evmcs.h:133:30: sparse: sparse: cast truncates bits from constant value (20302 becomes 302)
arch/x86/kvm/vmx/hyperv_evmcs.h:133:30: sparse: sparse: cast truncates bits from constant value (1a049a becomes 49a)
arch/x86/kvm/vmx/hyperv_evmcs.h:133:30: sparse: sparse: cast truncates bits from constant value (120312 becomes 312)
arch/x86/kvm/vmx/hyperv_evmcs.h:133:30: sparse: sparse: cast truncates bits from constant value (120812 becomes 812)
arch/x86/kvm/vmx/hyperv_evmcs.h:133:30: sparse: sparse: cast truncates bits from constant value (1a059a becomes 59a)
arch/x86/kvm/vmx/hyperv_evmcs.h:133:30: sparse: sparse: cast truncates bits from constant value (120412 becomes 412)
arch/x86/kvm/vmx/hyperv_evmcs.h:133:30: sparse: sparse: cast truncates bits from constant value (1a061a becomes 61a)
arch/x86/kvm/vmx/hyperv_evmcs.h:133:30: sparse: sparse: cast truncates bits from constant value (120492 becomes 492)
arch/x86/kvm/vmx/hyperv_evmcs.h:133:30: sparse: sparse: cast truncates bits from constant value (120992 becomes 992)
arch/x86/kvm/vmx/hyperv_evmcs.h:133:30: sparse: sparse: cast truncates bits from constant value (120912 becomes 912)
arch/x86/kvm/vmx/hyperv_evmcs.h:133:30: sparse: sparse: cast truncates bits from constant value (1a089a becomes 89a)
arch/x86/kvm/vmx/hyperv_evmcs.h:133:30: sparse: sparse: cast truncates bits from constant value (a048a becomes 48a)
arch/x86/kvm/vmx/hyperv_evmcs.h:133:30: sparse: sparse: cast truncates bits from constant value (100590 becomes 590)
arch/x86/kvm/vmx/hyperv_evmcs.h:133:30: sparse: sparse: cast truncates bits from constant value (100090 becomes 90)
arch/x86/kvm/vmx/hyperv_evmcs.h:133:30: sparse: sparse: cast truncates bits from constant value (120912 becomes 912)
arch/x86/kvm/vmx/hyperv_evmcs.h:133:30: sparse: sparse: cast truncates bits from constant value (100090 becomes 90)
arch/x86/kvm/vmx/hyperv_evmcs.h:133:30: sparse: sparse: cast truncates bits from constant value (100690 becomes 690)
arch/x86/kvm/vmx/hyperv_evmcs.h:133:30: sparse: sparse: cast truncates bits from constant value (100590 becomes 590)
arch/x86/kvm/vmx/hyperv_evmcs.h:133:30: sparse: sparse: cast truncates bits from constant value (100590 becomes 590)
arch/x86/kvm/vmx/hyperv_evmcs.h:133:30: sparse: sparse: cast truncates bits from constant value (120912 becomes 912)
arch/x86/kvm/vmx/hyperv_evmcs.h:133:30: sparse: sparse: cast truncates bits from constant value (120912 becomes 912)
arch/x86/kvm/vmx/hyperv_evmcs.h:133:30: sparse: sparse: cast truncates bits from constant value (120912 becomes 912)
arch/x86/kvm/vmx/hyperv_evmcs.h:133:30: sparse: sparse: cast truncates bits from constant value (120912 becomes 912)
arch/x86/kvm/vmx/hyperv_evmcs.h:133:30: sparse: sparse: cast truncates bits from constant value (120912 becomes 912)
arch/x86/kvm/vmx/hyperv_evmcs.h:133:30: sparse: sparse: cast truncates bits from constant value (120912 becomes 912)
arch/x86/kvm/vmx/hyperv_evmcs.h:133:30: sparse: sparse: cast truncates bits from constant value (120912 becomes 912)
arch/x86/kvm/vmx/hyperv_evmcs.h:133:30: sparse: sparse: cast truncates bits from constant value (110311 becomes 311)
arch/x86/kvm/vmx/hyperv_evmcs.h:133:30: sparse: sparse: cast truncates bits from constant value (110111 becomes 111)
arch/x86/kvm/vmx/hyperv_evmcs.h:133:30: sparse: sparse: cast truncates bits from constant value (110191 becomes 191)
arch/x86/kvm/vmx/hyperv_evmcs.h:133:30: sparse: sparse: cast truncates bits from constant value (190019 becomes 19)
arch/x86/kvm/vmx/hyperv_evmcs.h:133:30: sparse: sparse: cast truncates bits from constant value (190019 becomes 19)
arch/x86/kvm/vmx/hyperv_evmcs.h:133:30: sparse: sparse: cast truncates bits from constant value (120912 becomes 912)
arch/x86/kvm/vmx/hyperv_evmcs.h:133:30: sparse: sparse: cast truncates bits from constant value (1a089a becomes 89a)
arch/x86/kvm/vmx/hyperv_evmcs.h:133:30: sparse: sparse: cast truncates bits from constant value (1a089a becomes 89a)
arch/x86/kvm/vmx/hyperv_evmcs.h:133:30: sparse: sparse: cast truncates bits from constant value (1a069a becomes 69a)
arch/x86/kvm/vmx/hyperv_evmcs.h:133:30: sparse: sparse: cast truncates bits from constant value (110311 becomes 311)
arch/x86/kvm/vmx/hyperv_evmcs.h:133:30: sparse: sparse: cast truncates bits from constant value (190019 becomes 19)
arch/x86/kvm/vmx/hyperv_evmcs.h:133:30: sparse: sparse: cast truncates bits from constant value (180118 becomes 118)
vim +133 arch/x86/kvm/vmx/hyperv_evmcs.h
e7ad84db4d718e Vitaly Kuznetsov 2023-12-05 128
e7ad84db4d718e Vitaly Kuznetsov 2023-12-05 129 static __always_inline int evmcs_field_offset(unsigned long field,
e7ad84db4d718e Vitaly Kuznetsov 2023-12-05 130 u16 *clean_field)
e7ad84db4d718e Vitaly Kuznetsov 2023-12-05 131 {
e7ad84db4d718e Vitaly Kuznetsov 2023-12-05 132 const struct evmcs_field *evmcs_field;
e7ad84db4d718e Vitaly Kuznetsov 2023-12-05 @133 unsigned int index = ROL16(field, 6);
e7ad84db4d718e Vitaly Kuznetsov 2023-12-05 134
e7ad84db4d718e Vitaly Kuznetsov 2023-12-05 135 if (unlikely(index >= nr_evmcs_1_fields))
e7ad84db4d718e Vitaly Kuznetsov 2023-12-05 136 return -ENOENT;
e7ad84db4d718e Vitaly Kuznetsov 2023-12-05 137
e7ad84db4d718e Vitaly Kuznetsov 2023-12-05 138 evmcs_field = &vmcs_field_to_evmcs_1[index];
e7ad84db4d718e Vitaly Kuznetsov 2023-12-05 139
e7ad84db4d718e Vitaly Kuznetsov 2023-12-05 140 /*
e7ad84db4d718e Vitaly Kuznetsov 2023-12-05 141 * Use offset=0 to detect holes in eVMCS. This offset belongs to
e7ad84db4d718e Vitaly Kuznetsov 2023-12-05 142 * 'revision_id' but this field has no encoding and is supposed to
e7ad84db4d718e Vitaly Kuznetsov 2023-12-05 143 * be accessed directly.
e7ad84db4d718e Vitaly Kuznetsov 2023-12-05 144 */
e7ad84db4d718e Vitaly Kuznetsov 2023-12-05 145 if (unlikely(!evmcs_field->offset))
e7ad84db4d718e Vitaly Kuznetsov 2023-12-05 146 return -ENOENT;
e7ad84db4d718e Vitaly Kuznetsov 2023-12-05 147
e7ad84db4d718e Vitaly Kuznetsov 2023-12-05 148 if (clean_field)
e7ad84db4d718e Vitaly Kuznetsov 2023-12-05 149 *clean_field = evmcs_field->clean_field;
e7ad84db4d718e Vitaly Kuznetsov 2023-12-05 150
e7ad84db4d718e Vitaly Kuznetsov 2023-12-05 151 return evmcs_field->offset;
e7ad84db4d718e Vitaly Kuznetsov 2023-12-05 152 }
e7ad84db4d718e Vitaly Kuznetsov 2023-12-05 153
:::::: The code at line 133 was first introduced by commit
:::::: e7ad84db4d718e18c7a133e941ba4c7d4c6d4cbf KVM: VMX: Split off hyperv_evmcs.{ch}
:::::: TO: Vitaly Kuznetsov <vkuznets@redhat.com>
:::::: CC: Sean Christopherson <seanjc@google.com>
--
0-DAY CI Kernel Test Service
https://github.com/intel/lkp-tests/wiki
^ permalink raw reply [flat|nested] 2+ messages in thread* arch/x86/kvm/vmx/hyperv_evmcs.h:133:30: sparse: sparse: cast truncates bits from constant value (1b069b becomes 69b)
@ 2026-07-25 4:37 kernel test robot
0 siblings, 0 replies; 2+ messages in thread
From: kernel test robot @ 2026-07-25 4:37 UTC (permalink / raw)
To: oe-kbuild; +Cc: lkp
::::::
:::::: Manual check reason: "sparse: cast truncates bits from constant value in ROL16 macro"
::::::
BCC: lkp@intel.com
CC: oe-kbuild-all@lists.linux.dev
CC: linux-kernel@vger.kernel.org
CC: Sean Christopherson <seanjc@google.com>
CC: Maxim Levitsky <mlevitsk@redhat.com>
CC: Chao Gao <chao.gao@intel.com>
CC: Xiaoyao Li <xiaoyao.li@intel.com>
CC: Binbin Wu <binbin.wu@linux.intel.com>
tree: https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git master
head: 48a5a7ab8d6ab7090564339e039c421f315de912
commit: 584ba3ffb9843fd12d3b4a33cfe056e2264392a0 KVM: VMX: Set host constant supervisor states to VMCS fields
date: 10 months ago
:::::: branch date: 31 hours ago
:::::: commit date: 10 months ago
config: x86_64-randconfig-122-20260725 (https://download.01.org/0day-ci/archive/20260725/202607251214.MdOxdlvZ-lkp@intel.com/config)
compiler: clang version 22.1.3 (https://github.com/llvm/llvm-project e9846648fd6183ee6d8cbdb4502213fcf902a211)
sparse: v0.6.5-rc1
reproduce (this is a W=1 build): (https://download.01.org/0day-ci/archive/20260725/202607251214.MdOxdlvZ-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
| Fixes: 584ba3ffb984 ("KVM: VMX: Set host constant supervisor states to VMCS fields")
| Reported-by: kernel test robot <lkp@intel.com>
| Closes: https://lore.kernel.org/r/202607251214.MdOxdlvZ-lkp@intel.com/
sparse warnings: (new ones prefixed by >>)
arch/x86/kvm/vmx/hyperv_evmcs.h:133:30: sparse: sparse: cast truncates bits from constant value (1a081a becomes 81a)
arch/x86/kvm/vmx/hyperv_evmcs.h:133:30: sparse: sparse: cast truncates bits from constant value (120912 becomes 912)
arch/x86/kvm/vmx/hyperv_evmcs.h:133:30: sparse: sparse: cast truncates bits from constant value (120912 becomes 912)
arch/x86/kvm/vmx/hyperv_evmcs.h:133:30: sparse: sparse: cast truncates bits from constant value (120912 becomes 912)
arch/x86/kvm/vmx/hyperv_evmcs.h:133:30: sparse: sparse: cast truncates bits from constant value (110311 becomes 311)
arch/x86/kvm/vmx/hyperv_evmcs.h:133:30: sparse: sparse: cast truncates bits from constant value (120992 becomes 992)
arch/x86/kvm/vmx/hyperv_evmcs.h:133:30: sparse: sparse: cast truncates bits from constant value (120992 becomes 992)
arch/x86/kvm/vmx/hyperv_evmcs.h:133:30: sparse: sparse: cast truncates bits from constant value (100610 becomes 610)
arch/x86/kvm/vmx/hyperv_evmcs.h:133:30: sparse: sparse: cast truncates bits from constant value (100690 becomes 690)
arch/x86/kvm/vmx/hyperv_evmcs.h:133:30: sparse: sparse: cast truncates bits from constant value (100590 becomes 590)
arch/x86/kvm/vmx/hyperv_evmcs.h:133:30: sparse: sparse: cast truncates bits from constant value (80408 becomes 408)
arch/x86/kvm/vmx/hyperv_evmcs.h:133:30: sparse: sparse: cast truncates bits from constant value (80c88 becomes c88)
arch/x86/kvm/vmx/hyperv_evmcs.h:133:30: sparse: sparse: cast truncates bits from constant value (1a039a becomes 39a)
arch/x86/kvm/vmx/hyperv_evmcs.h:133:30: sparse: sparse: cast truncates bits from constant value (1a041a becomes 41a)
arch/x86/kvm/vmx/hyperv_evmcs.h:133:30: sparse: sparse: cast truncates bits from constant value (120a92 becomes a92)
arch/x86/kvm/vmx/hyperv_evmcs.h:133:30: sparse: sparse: cast truncates bits from constant value (1a099a becomes 99a)
arch/x86/kvm/vmx/hyperv_evmcs.h:133:30: sparse: sparse: cast truncates bits from constant value (1a091a becomes 91a)
arch/x86/kvm/vmx/hyperv_evmcs.h:133:30: sparse: sparse: cast truncates bits from constant value (a048a becomes 48a)
arch/x86/kvm/vmx/hyperv_evmcs.h:133:30: sparse: sparse: cast truncates bits from constant value (1a0a1a becomes a1a)
arch/x86/kvm/vmx/hyperv_evmcs.h:133:30: sparse: sparse: cast truncates bits from constant value (1a0a9a becomes a9a)
arch/x86/kvm/vmx/hyperv_evmcs.h:133:30: sparse: sparse: cast truncates bits from constant value (1a0b1a becomes b1a)
arch/x86/kvm/vmx/hyperv_evmcs.h:133:30: sparse: sparse: cast truncates bits from constant value (a008a becomes 8a)
arch/x86/kvm/vmx/hyperv_evmcs.h:133:30: sparse: sparse: cast truncates bits from constant value (1a039a becomes 39a)
arch/x86/kvm/vmx/hyperv_evmcs.h:133:30: sparse: sparse: cast truncates bits from constant value (1a041a becomes 41a)
arch/x86/kvm/vmx/hyperv_evmcs.h:133:30: sparse: sparse: cast truncates bits from constant value (120a92 becomes a92)
arch/x86/kvm/vmx/hyperv_evmcs.h:133:30: sparse: sparse: cast truncates bits from constant value (1a099a becomes 99a)
arch/x86/kvm/vmx/hyperv_evmcs.h:133:30: sparse: sparse: cast truncates bits from constant value (1a091a becomes 91a)
arch/x86/kvm/vmx/hyperv_evmcs.h:133:30: sparse: sparse: cast truncates bits from constant value (a008a becomes 8a)
arch/x86/kvm/vmx/hyperv_evmcs.h:133:30: sparse: sparse: cast truncates bits from constant value (a048a becomes 48a)
arch/x86/kvm/vmx/hyperv_evmcs.h:133:30: sparse: sparse: cast truncates bits from constant value (a010a becomes 10a)
arch/x86/kvm/vmx/hyperv_evmcs.h:133:30: sparse: sparse: cast truncates bits from constant value (80b88 becomes b88)
arch/x86/kvm/vmx/hyperv_evmcs.h:133:30: sparse: sparse: cast truncates bits from constant value (a050a becomes 50a)
arch/x86/kvm/vmx/hyperv_evmcs.h:133:30: sparse: sparse: cast truncates bits from constant value (1a0a1a becomes a1a)
arch/x86/kvm/vmx/hyperv_evmcs.h:133:30: sparse: sparse: cast truncates bits from constant value (1a0a9a becomes a9a)
arch/x86/kvm/vmx/hyperv_evmcs.h:133:30: sparse: sparse: cast truncates bits from constant value (1a0b1a becomes b1a)
arch/x86/kvm/vmx/hyperv_evmcs.h:133:30: sparse: sparse: cast truncates bits from constant value (1a071a becomes 71a)
arch/x86/kvm/vmx/hyperv_evmcs.h:133:30: sparse: sparse: cast truncates bits from constant value (1a079a becomes 79a)
arch/x86/kvm/vmx/hyperv_evmcs.h:133:30: sparse: sparse: cast truncates bits from constant value (1a001a becomes 1a)
arch/x86/kvm/vmx/hyperv_evmcs.h:133:30: sparse: sparse: cast truncates bits from constant value (1a009a becomes 9a)
arch/x86/kvm/vmx/hyperv_evmcs.h:133:30: sparse: sparse: cast truncates bits from constant value (1a011a becomes 11a)
arch/x86/kvm/vmx/hyperv_evmcs.h:133:30: sparse: sparse: cast truncates bits from constant value (1a081a becomes 81a)
arch/x86/kvm/vmx/hyperv_evmcs.h:133:30: sparse: sparse: cast truncates bits from constant value (1a081a becomes 81a)
arch/x86/kvm/vmx/hyperv_evmcs.h:133:30: sparse: sparse: cast truncates bits from constant value (1a011a becomes 11a)
arch/x86/kvm/vmx/hyperv_evmcs.h:133:30: sparse: sparse: cast truncates bits from constant value (180198 becomes 198)
arch/x86/kvm/vmx/hyperv_evmcs.h:133:30: sparse: sparse: cast truncates bits from constant value (1a011a becomes 11a)
arch/x86/kvm/vmx/hyperv_evmcs.h:133:30: sparse: sparse: cast truncates bits from constant value (1a051a becomes 51a)
arch/x86/kvm/vmx/hyperv_evmcs.h:133:30: sparse: sparse: cast truncates bits from constant value (120392 becomes 392)
arch/x86/kvm/vmx/hyperv_evmcs.h:133:30: sparse: sparse: cast truncates bits from constant value (120892 becomes 892)
arch/x86/kvm/vmx/hyperv_evmcs.h:133:30: sparse: sparse: cast truncates bits from constant value (1a081a becomes 81a)
arch/x86/kvm/vmx/hyperv_evmcs.h:133:30: sparse: sparse: cast truncates bits from constant value (1a081a becomes 81a)
arch/x86/kvm/vmx/hyperv_evmcs.h:133:30: sparse: sparse: cast truncates bits from constant value (1a011a becomes 11a)
arch/x86/kvm/vmx/hyperv_evmcs.h:133:30: sparse: sparse: cast truncates bits from constant value (1a011a becomes 11a)
arch/x86/kvm/vmx/hyperv_evmcs.h:133:30: sparse: sparse: cast truncates bits from constant value (100490 becomes 490)
arch/x86/kvm/vmx/hyperv_evmcs.h:133:30: sparse: sparse: cast truncates bits from constant value (100490 becomes 490)
arch/x86/kvm/vmx/hyperv_evmcs.h:133:30: sparse: sparse: cast truncates bits from constant value (120892 becomes 892)
arch/x86/kvm/vmx/hyperv_evmcs.h:133:30: sparse: sparse: cast truncates bits from constant value (120892 becomes 892)
arch/x86/kvm/vmx/hyperv_evmcs.h:133:30: sparse: sparse: cast truncates bits from constant value (a028a becomes 28a)
arch/x86/kvm/vmx/hyperv_evmcs.h:133:30: sparse: sparse: cast truncates bits from constant value (a030a becomes 30a)
arch/x86/kvm/vmx/hyperv_evmcs.h:133:30: sparse: sparse: cast truncates bits from constant value (a038a becomes 38a)
arch/x86/kvm/vmx/hyperv_evmcs.h:133:30: sparse: sparse: cast truncates bits from constant value (a040a becomes 40a)
arch/x86/kvm/vmx/hyperv_evmcs.h:133:30: sparse: sparse: cast truncates bits from constant value (a028a becomes 28a)
arch/x86/kvm/vmx/hyperv_evmcs.h:133:30: sparse: sparse: cast truncates bits from constant value (a030a becomes 30a)
arch/x86/kvm/vmx/hyperv_evmcs.h:133:30: sparse: sparse: cast truncates bits from constant value (a038a becomes 38a)
arch/x86/kvm/vmx/hyperv_evmcs.h:133:30: sparse: sparse: cast truncates bits from constant value (a040a becomes 40a)
arch/x86/kvm/vmx/hyperv_evmcs.h:133:30: sparse: sparse: cast truncates bits from constant value (180118 becomes 118)
arch/x86/kvm/vmx/hyperv_evmcs.h:133:30: sparse: sparse: cast truncates bits from constant value (1a001a becomes 1a)
arch/x86/kvm/vmx/hyperv_evmcs.h:133:30: sparse: sparse: cast truncates bits from constant value (100090 becomes 90)
arch/x86/kvm/vmx/hyperv_evmcs.h:133:30: sparse: sparse: cast truncates bits from constant value (100090 becomes 90)
arch/x86/kvm/vmx/hyperv_evmcs.h:133:30: sparse: sparse: cast truncates bits from constant value (100090 becomes 90)
arch/x86/kvm/vmx/hyperv_evmcs.h:133:30: sparse: sparse: cast truncates bits from constant value (80688 becomes 688)
arch/x86/kvm/vmx/hyperv_evmcs.h:133:30: sparse: sparse: cast truncates bits from constant value (1a009a becomes 9a)
arch/x86/kvm/vmx/hyperv_evmcs.h:133:30: sparse: sparse: cast truncates bits from constant value (100790 becomes 790)
arch/x86/kvm/vmx/hyperv_evmcs.h:133:30: sparse: sparse: cast truncates bits from constant value (100790 becomes 790)
arch/x86/kvm/vmx/hyperv_evmcs.h:133:30: sparse: sparse: cast truncates bits from constant value (180198 becomes 198)
arch/x86/kvm/vmx/hyperv_evmcs.h:133:30: sparse: sparse: cast truncates bits from constant value (1a011a becomes 11a)
arch/x86/kvm/vmx/hyperv_evmcs.h:133:30: sparse: sparse: cast truncates bits from constant value (120612 becomes 612)
arch/x86/kvm/vmx/hyperv_evmcs.h:133:30: sparse: sparse: cast truncates bits from constant value (120492 becomes 492)
arch/x86/kvm/vmx/hyperv_evmcs.h:133:30: sparse: sparse: cast truncates bits from constant value (1a061a becomes 61a)
arch/x86/kvm/vmx/hyperv_evmcs.h:133:30: sparse: sparse: cast truncates bits from constant value (120492 becomes 492)
arch/x86/kvm/vmx/hyperv_evmcs.h:133:30: sparse: sparse: cast truncates bits from constant value (1a061a becomes 61a)
arch/x86/kvm/vmx/hyperv_evmcs.h:133:30: sparse: sparse: cast truncates bits from constant value (120412 becomes 412)
arch/x86/kvm/vmx/hyperv_evmcs.h:133:30: sparse: sparse: cast truncates bits from constant value (1a059a becomes 59a)
arch/x86/kvm/vmx/hyperv_evmcs.h:133:30: sparse: sparse: cast truncates bits from constant value (120412 becomes 412)
arch/x86/kvm/vmx/hyperv_evmcs.h:133:30: sparse: sparse: cast truncates bits from constant value (1a059a becomes 59a)
arch/x86/kvm/vmx/hyperv_evmcs.h:133:30: sparse: sparse: cast truncates bits from constant value (1b001b becomes 1b)
arch/x86/kvm/vmx/hyperv_evmcs.h:133:30: sparse: sparse: cast truncates bits from constant value (1b009b becomes 9b)
arch/x86/kvm/vmx/hyperv_evmcs.h:133:30: sparse: sparse: cast truncates bits from constant value (1b011b becomes 11b)
arch/x86/kvm/vmx/hyperv_evmcs.h:133:30: sparse: sparse: cast truncates bits from constant value (30083 becomes 83)
arch/x86/kvm/vmx/hyperv_evmcs.h:133:30: sparse: sparse: cast truncates bits from constant value (30183 becomes 183)
arch/x86/kvm/vmx/hyperv_evmcs.h:133:30: sparse: sparse: cast truncates bits from constant value (30003 becomes 3)
arch/x86/kvm/vmx/hyperv_evmcs.h:133:30: sparse: sparse: cast truncates bits from constant value (30103 becomes 103)
arch/x86/kvm/vmx/hyperv_evmcs.h:133:30: sparse: sparse: cast truncates bits from constant value (30303 becomes 303)
arch/x86/kvm/vmx/hyperv_evmcs.h:133:30: sparse: sparse: cast truncates bits from constant value (1b039b becomes 39b)
arch/x86/kvm/vmx/hyperv_evmcs.h:133:30: sparse: sparse: cast truncates bits from constant value (1b059b becomes 59b)
arch/x86/kvm/vmx/hyperv_evmcs.h:133:30: sparse: sparse: cast truncates bits from constant value (130013 becomes 13)
arch/x86/kvm/vmx/hyperv_evmcs.h:133:30: sparse: sparse: cast truncates bits from constant value (1b041b becomes 41b)
arch/x86/kvm/vmx/hyperv_evmcs.h:133:30: sparse: sparse: cast truncates bits from constant value (1b049b becomes 49b)
arch/x86/kvm/vmx/hyperv_evmcs.h:133:30: sparse: sparse: cast truncates bits from constant value (b000b becomes b)
arch/x86/kvm/vmx/hyperv_evmcs.h:133:30: sparse: sparse: cast truncates bits from constant value (b008b becomes 8b)
arch/x86/kvm/vmx/hyperv_evmcs.h:133:30: sparse: sparse: cast truncates bits from constant value (1b061b becomes 61b)
>> arch/x86/kvm/vmx/hyperv_evmcs.h:133:30: sparse: sparse: cast truncates bits from constant value (1b069b becomes 69b)
arch/x86/kvm/vmx/hyperv_evmcs.h:133:30: sparse: sparse: cast truncates bits from constant value (1b071b becomes 71b)
arch/x86/kvm/vmx/hyperv_evmcs.h:133:30: sparse: sparse: cast truncates bits from constant value (180098 becomes 98)
arch/x86/kvm/vmx/hyperv_evmcs.h:133:30: sparse: sparse: cast truncates bits from constant value (100010 becomes 10)
arch/x86/kvm/vmx/hyperv_evmcs.h:133:30: sparse: sparse: cast truncates bits from constant value (100790 becomes 790)
arch/x86/kvm/vmx/hyperv_evmcs.h:133:30: sparse: sparse: cast truncates bits from constant value (100790 becomes 790)
arch/x86/kvm/vmx/hyperv_evmcs.h:133:30: sparse: sparse: cast truncates bits from constant value (80d08 becomes d08)
arch/x86/kvm/vmx/hyperv_evmcs.h:133:30: sparse: sparse: cast truncates bits from constant value (80d08 becomes d08)
arch/x86/kvm/vmx/hyperv_evmcs.h:133:30: sparse: sparse: cast truncates bits from constant value (80108 becomes 108)
arch/x86/kvm/vmx/hyperv_evmcs.h:133:30: sparse: sparse: cast truncates bits from constant value (a000a becomes a)
arch/x86/kvm/vmx/hyperv_evmcs.h:133:30: sparse: sparse: cast truncates bits from constant value (100010 becomes 10)
arch/x86/kvm/vmx/hyperv_evmcs.h:133:30: sparse: sparse: cast truncates bits from constant value (100090 becomes 90)
arch/x86/kvm/vmx/hyperv_evmcs.h:133:30: sparse: sparse: cast truncates bits from constant value (100790 becomes 790)
arch/x86/kvm/vmx/hyperv_evmcs.h:133:30: sparse: sparse: cast truncates bits from constant value (80a88 becomes a88)
arch/x86/kvm/vmx/hyperv_evmcs.h:133:30: sparse: sparse: cast truncates bits from constant value (80d08 becomes d08)
arch/x86/kvm/vmx/hyperv_evmcs.h:133:30: sparse: sparse: cast truncates bits from constant value (80708 becomes 708)
arch/x86/kvm/vmx/hyperv_evmcs.h:133:30: sparse: sparse: cast truncates bits from constant value (80788 becomes 788)
arch/x86/kvm/vmx/hyperv_evmcs.h:133:30: sparse: sparse: cast truncates bits from constant value (80808 becomes 808)
arch/x86/kvm/vmx/hyperv_evmcs.h:133:30: sparse: sparse: cast truncates bits from constant value (80888 becomes 888)
arch/x86/kvm/vmx/hyperv_evmcs.h:133:30: sparse: sparse: cast truncates bits from constant value (20402 becomes 402)
arch/x86/kvm/vmx/hyperv_evmcs.h:133:30: sparse: sparse: cast truncates bits from constant value (80588 becomes 588)
arch/x86/kvm/vmx/hyperv_evmcs.h:133:30: sparse: sparse: cast truncates bits from constant value (81088 becomes 1088)
arch/x86/kvm/vmx/hyperv_evmcs.h:133:30: sparse: sparse: cast truncates bits from constant value (100810 becomes 810)
arch/x86/kvm/vmx/hyperv_evmcs.h:133:30: sparse: sparse: cast truncates bits from constant value (100910 becomes 910)
arch/x86/kvm/vmx/hyperv_evmcs.h:133:30: sparse: sparse: cast truncates bits from constant value (100190 becomes 190)
arch/x86/kvm/vmx/hyperv_evmcs.h:133:30: sparse: sparse: cast truncates bits from constant value (100210 becomes 210)
arch/x86/kvm/vmx/hyperv_evmcs.h:133:30: sparse: sparse: cast truncates bits from constant value (100290 becomes 290)
arch/x86/kvm/vmx/hyperv_evmcs.h:133:30: sparse: sparse: cast truncates bits from constant value (30203 becomes 203)
arch/x86/kvm/vmx/hyperv_evmcs.h:133:30: sparse: sparse: cast truncates bits from constant value (30283 becomes 283)
arch/x86/kvm/vmx/hyperv_evmcs.h:133:30: sparse: sparse: cast truncates bits from constant value (1b019b becomes 19b)
arch/x86/kvm/vmx/hyperv_evmcs.h:133:30: sparse: sparse: cast truncates bits from constant value (1b021b becomes 21b)
arch/x86/kvm/vmx/hyperv_evmcs.h:133:30: sparse: sparse: cast truncates bits from constant value (80608 becomes 608)
arch/x86/kvm/vmx/hyperv_evmcs.h:133:30: sparse: sparse: cast truncates bits from constant value (100390 becomes 390)
arch/x86/kvm/vmx/hyperv_evmcs.h:133:30: sparse: sparse: cast truncates bits from constant value (100410 becomes 410)
arch/x86/kvm/vmx/hyperv_evmcs.h:133:30: sparse: sparse: cast truncates bits from constant value (80208 becomes 208)
arch/x86/kvm/vmx/hyperv_evmcs.h:133:30: sparse: sparse: cast truncates bits from constant value (100510 becomes 510)
arch/x86/kvm/vmx/hyperv_evmcs.h:133:30: sparse: sparse: cast truncates bits from constant value (80288 becomes 288)
arch/x86/kvm/vmx/hyperv_evmcs.h:133:30: sparse: sparse: cast truncates bits from constant value (a010a becomes 10a)
arch/x86/kvm/vmx/hyperv_evmcs.h:133:30: sparse: sparse: cast truncates bits from constant value (100310 becomes 310)
arch/x86/kvm/vmx/hyperv_evmcs.h:133:30: sparse: sparse: cast truncates bits from constant value (100490 becomes 490)
arch/x86/kvm/vmx/hyperv_evmcs.h:133:30: sparse: sparse: cast truncates bits from constant value (180018 becomes 18)
arch/x86/kvm/vmx/hyperv_evmcs.h:133:30: sparse: sparse: cast truncates bits from constant value (80b08 becomes b08)
arch/x86/kvm/vmx/hyperv_evmcs.h:133:30: sparse: sparse: cast truncates bits from constant value (80388 becomes 388)
arch/x86/kvm/vmx/hyperv_evmcs.h:133:30: sparse: sparse: cast truncates bits from constant value (20482 becomes 482)
arch/x86/kvm/vmx/hyperv_evmcs.h:133:30: sparse: sparse: cast truncates bits from constant value (80b88 becomes b88)
arch/x86/kvm/vmx/hyperv_evmcs.h:133:30: sparse: sparse: cast truncates bits from constant value (a050a becomes 50a)
arch/x86/kvm/vmx/hyperv_evmcs.h:133:30: sparse: sparse: cast truncates bits from constant value (120a92 becomes a92)
arch/x86/kvm/vmx/hyperv_evmcs.h:133:30: sparse: sparse: cast truncates bits from constant value (1a091a becomes 91a)
arch/x86/kvm/vmx/hyperv_evmcs.h:133:30: sparse: sparse: cast truncates bits from constant value (1a099a becomes 99a)
arch/x86/kvm/vmx/hyperv_evmcs.h:133:30: sparse: sparse: cast truncates bits from constant value (a008a becomes 8a)
arch/x86/kvm/vmx/hyperv_evmcs.h:133:30: sparse: sparse: cast truncates bits from constant value (80488 becomes 488)
arch/x86/kvm/vmx/hyperv_evmcs.h:133:30: sparse: sparse: cast truncates bits from constant value (80488 becomes 488)
arch/x86/kvm/vmx/hyperv_evmcs.h:133:30: sparse: sparse: cast truncates bits from constant value (100710 becomes 710)
arch/x86/kvm/vmx/hyperv_evmcs.h:133:30: sparse: sparse: cast truncates bits from constant value (20082 becomes 82)
arch/x86/kvm/vmx/hyperv_evmcs.h:133:30: sparse: sparse: cast truncates bits from constant value (1a021a becomes 21a)
arch/x86/kvm/vmx/hyperv_evmcs.h:133:30: sparse: sparse: cast truncates bits from constant value (20382 becomes 382)
arch/x86/kvm/vmx/hyperv_evmcs.h:133:30: sparse: sparse: cast truncates bits from constant value (1a051a becomes 51a)
arch/x86/kvm/vmx/hyperv_evmcs.h:133:30: sparse: sparse: cast truncates bits from constant value (120392 becomes 392)
arch/x86/kvm/vmx/hyperv_evmcs.h:133:30: sparse: sparse: cast truncates bits from constant value (120892 becomes 892)
arch/x86/kvm/vmx/hyperv_evmcs.h:133:30: sparse: sparse: cast truncates bits from constant value (20302 becomes 302)
arch/x86/kvm/vmx/hyperv_evmcs.h:133:30: sparse: sparse: cast truncates bits from constant value (1a049a becomes 49a)
arch/x86/kvm/vmx/hyperv_evmcs.h:133:30: sparse: sparse: cast truncates bits from constant value (120312 becomes 312)
arch/x86/kvm/vmx/hyperv_evmcs.h:133:30: sparse: sparse: cast truncates bits from constant value (120812 becomes 812)
arch/x86/kvm/vmx/hyperv_evmcs.h:133:30: sparse: sparse: cast truncates bits from constant value (1a059a becomes 59a)
arch/x86/kvm/vmx/hyperv_evmcs.h:133:30: sparse: sparse: cast truncates bits from constant value (120412 becomes 412)
arch/x86/kvm/vmx/hyperv_evmcs.h:133:30: sparse: sparse: cast truncates bits from constant value (1a061a becomes 61a)
arch/x86/kvm/vmx/hyperv_evmcs.h:133:30: sparse: sparse: cast truncates bits from constant value (120492 becomes 492)
arch/x86/kvm/vmx/hyperv_evmcs.h:133:30: sparse: sparse: cast truncates bits from constant value (120992 becomes 992)
arch/x86/kvm/vmx/hyperv_evmcs.h:133:30: sparse: sparse: cast truncates bits from constant value (120912 becomes 912)
arch/x86/kvm/vmx/hyperv_evmcs.h:133:30: sparse: sparse: cast truncates bits from constant value (1a089a becomes 89a)
arch/x86/kvm/vmx/hyperv_evmcs.h:133:30: sparse: sparse: cast truncates bits from constant value (a048a becomes 48a)
arch/x86/kvm/vmx/hyperv_evmcs.h:133:30: sparse: sparse: cast truncates bits from constant value (100590 becomes 590)
arch/x86/kvm/vmx/hyperv_evmcs.h:133:30: sparse: sparse: cast truncates bits from constant value (100090 becomes 90)
arch/x86/kvm/vmx/hyperv_evmcs.h:133:30: sparse: sparse: cast truncates bits from constant value (120912 becomes 912)
arch/x86/kvm/vmx/hyperv_evmcs.h:133:30: sparse: sparse: cast truncates bits from constant value (100090 becomes 90)
arch/x86/kvm/vmx/hyperv_evmcs.h:133:30: sparse: sparse: cast truncates bits from constant value (100690 becomes 690)
arch/x86/kvm/vmx/hyperv_evmcs.h:133:30: sparse: sparse: cast truncates bits from constant value (100590 becomes 590)
arch/x86/kvm/vmx/hyperv_evmcs.h:133:30: sparse: sparse: cast truncates bits from constant value (100590 becomes 590)
arch/x86/kvm/vmx/hyperv_evmcs.h:133:30: sparse: sparse: cast truncates bits from constant value (120912 becomes 912)
arch/x86/kvm/vmx/hyperv_evmcs.h:133:30: sparse: sparse: cast truncates bits from constant value (120912 becomes 912)
arch/x86/kvm/vmx/hyperv_evmcs.h:133:30: sparse: sparse: cast truncates bits from constant value (120912 becomes 912)
arch/x86/kvm/vmx/hyperv_evmcs.h:133:30: sparse: sparse: cast truncates bits from constant value (120912 becomes 912)
arch/x86/kvm/vmx/hyperv_evmcs.h:133:30: sparse: sparse: cast truncates bits from constant value (120912 becomes 912)
arch/x86/kvm/vmx/hyperv_evmcs.h:133:30: sparse: sparse: cast truncates bits from constant value (120912 becomes 912)
arch/x86/kvm/vmx/hyperv_evmcs.h:133:30: sparse: sparse: cast truncates bits from constant value (120912 becomes 912)
arch/x86/kvm/vmx/hyperv_evmcs.h:133:30: sparse: sparse: cast truncates bits from constant value (110311 becomes 311)
arch/x86/kvm/vmx/hyperv_evmcs.h:133:30: sparse: sparse: cast truncates bits from constant value (110111 becomes 111)
arch/x86/kvm/vmx/hyperv_evmcs.h:133:30: sparse: sparse: cast truncates bits from constant value (110191 becomes 191)
arch/x86/kvm/vmx/hyperv_evmcs.h:133:30: sparse: sparse: cast truncates bits from constant value (190019 becomes 19)
arch/x86/kvm/vmx/hyperv_evmcs.h:133:30: sparse: sparse: cast truncates bits from constant value (190019 becomes 19)
arch/x86/kvm/vmx/hyperv_evmcs.h:133:30: sparse: sparse: cast truncates bits from constant value (120912 becomes 912)
arch/x86/kvm/vmx/hyperv_evmcs.h:133:30: sparse: sparse: cast truncates bits from constant value (1a089a becomes 89a)
arch/x86/kvm/vmx/hyperv_evmcs.h:133:30: sparse: sparse: cast truncates bits from constant value (1a089a becomes 89a)
arch/x86/kvm/vmx/hyperv_evmcs.h:133:30: sparse: sparse: cast truncates bits from constant value (1a069a becomes 69a)
arch/x86/kvm/vmx/hyperv_evmcs.h:133:30: sparse: sparse: cast truncates bits from constant value (110311 becomes 311)
arch/x86/kvm/vmx/hyperv_evmcs.h:133:30: sparse: sparse: cast truncates bits from constant value (190019 becomes 19)
arch/x86/kvm/vmx/hyperv_evmcs.h:133:30: sparse: sparse: cast truncates bits from constant value (180118 becomes 118)
arch/x86/kvm/vmx/hyperv_evmcs.h:133:30: sparse: sparse: cast truncates bits from constant value (180198 becomes 198)
arch/x86/kvm/vmx/hyperv_evmcs.h:133:30: sparse: sparse: cast truncates bits from constant value (190019 becomes 19)
arch/x86/kvm/vmx/hyperv_evmcs.h:133:30: sparse: sparse: cast truncates bits from constant value (190019 becomes 19)
arch/x86/kvm/vmx/hyperv_evmcs.h:133:30: sparse: sparse: cast truncates bits from constant value (1a069a becomes 69a)
vim +133 arch/x86/kvm/vmx/hyperv_evmcs.h
e7ad84db4d718e Vitaly Kuznetsov 2023-12-05 128
e7ad84db4d718e Vitaly Kuznetsov 2023-12-05 129 static __always_inline int evmcs_field_offset(unsigned long field,
e7ad84db4d718e Vitaly Kuznetsov 2023-12-05 130 u16 *clean_field)
e7ad84db4d718e Vitaly Kuznetsov 2023-12-05 131 {
e7ad84db4d718e Vitaly Kuznetsov 2023-12-05 132 const struct evmcs_field *evmcs_field;
e7ad84db4d718e Vitaly Kuznetsov 2023-12-05 @133 unsigned int index = ROL16(field, 6);
e7ad84db4d718e Vitaly Kuznetsov 2023-12-05 134
e7ad84db4d718e Vitaly Kuznetsov 2023-12-05 135 if (unlikely(index >= nr_evmcs_1_fields))
e7ad84db4d718e Vitaly Kuznetsov 2023-12-05 136 return -ENOENT;
e7ad84db4d718e Vitaly Kuznetsov 2023-12-05 137
e7ad84db4d718e Vitaly Kuznetsov 2023-12-05 138 evmcs_field = &vmcs_field_to_evmcs_1[index];
e7ad84db4d718e Vitaly Kuznetsov 2023-12-05 139
e7ad84db4d718e Vitaly Kuznetsov 2023-12-05 140 /*
e7ad84db4d718e Vitaly Kuznetsov 2023-12-05 141 * Use offset=0 to detect holes in eVMCS. This offset belongs to
e7ad84db4d718e Vitaly Kuznetsov 2023-12-05 142 * 'revision_id' but this field has no encoding and is supposed to
e7ad84db4d718e Vitaly Kuznetsov 2023-12-05 143 * be accessed directly.
e7ad84db4d718e Vitaly Kuznetsov 2023-12-05 144 */
e7ad84db4d718e Vitaly Kuznetsov 2023-12-05 145 if (unlikely(!evmcs_field->offset))
e7ad84db4d718e Vitaly Kuznetsov 2023-12-05 146 return -ENOENT;
e7ad84db4d718e Vitaly Kuznetsov 2023-12-05 147
e7ad84db4d718e Vitaly Kuznetsov 2023-12-05 148 if (clean_field)
e7ad84db4d718e Vitaly Kuznetsov 2023-12-05 149 *clean_field = evmcs_field->clean_field;
e7ad84db4d718e Vitaly Kuznetsov 2023-12-05 150
e7ad84db4d718e Vitaly Kuznetsov 2023-12-05 151 return evmcs_field->offset;
e7ad84db4d718e Vitaly Kuznetsov 2023-12-05 152 }
e7ad84db4d718e Vitaly Kuznetsov 2023-12-05 153
:::::: The code at line 133 was first introduced by commit
:::::: e7ad84db4d718e18c7a133e941ba4c7d4c6d4cbf KVM: VMX: Split off hyperv_evmcs.{ch}
:::::: TO: Vitaly Kuznetsov <vkuznets@redhat.com>
:::::: CC: Sean Christopherson <seanjc@google.com>
--
0-DAY CI Kernel Test Service
https://github.com/intel/lkp-tests/wiki
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