From: kernel test robot <lkp@intel.com>
To: oe-kbuild@lists.linux.dev
Cc: lkp@intel.com
Subject: Re: [PATCH v6 19/25] KVM: VMX: Emulate read and write to CET MSRs
Date: Tue, 19 Sep 2023 08:14:31 +0800 [thread overview]
Message-ID: <202309190838.32kXx2Zr-lkp@intel.com> (raw)
::::::
:::::: Manual check reason: "low confidence bisect report"
::::::
BCC: lkp@intel.com
CC: oe-kbuild-all@lists.linux.dev
In-Reply-To: <20230914063325.85503-20-weijiang.yang@intel.com>
References: <20230914063325.85503-20-weijiang.yang@intel.com>
TO: Yang Weijiang <weijiang.yang@intel.com>
Hi Yang,
kernel test robot noticed the following build warnings:
[auto build test WARNING on ff6e6ded54725cd01623b9a1a86b74a523198733]
url: https://github.com/intel-lab-lkp/linux/commits/Yang-Weijiang/x86-fpu-xstate-Manually-check-and-add-XFEATURE_CET_USER-xstate-bit/20230914-174056
base: ff6e6ded54725cd01623b9a1a86b74a523198733
patch link: https://lore.kernel.org/r/20230914063325.85503-20-weijiang.yang%40intel.com
patch subject: [PATCH v6 19/25] KVM: VMX: Emulate read and write to CET MSRs
:::::: branch date: 5 days ago
:::::: commit date: 5 days ago
config: x86_64-randconfig-121-20230919 (https://download.01.org/0day-ci/archive/20230919/202309190838.32kXx2Zr-lkp@intel.com/config)
compiler: gcc-12 (Debian 12.2.0-14) 12.2.0
reproduce (this is a W=1 build): (https://download.01.org/0day-ci/archive/20230919/202309190838.32kXx2Zr-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@intel.com>
| Closes: https://lore.kernel.org/r/202309190838.32kXx2Zr-lkp@intel.com/
sparse warnings: (new ones prefixed by >>)
arch/x86/kvm/vmx/vmx.c: note: in included file:
arch/x86/kvm/vmx/hyperv.h:34:30: sparse: sparse: cast truncates bits from constant value (110011 becomes 11)
arch/x86/kvm/vmx/hyperv.h:34:30: sparse: sparse: cast truncates bits from constant value (110011 becomes 11)
arch/x86/kvm/vmx/hyperv.h:34:30: sparse: sparse: cast truncates bits from constant value (110011 becomes 11)
arch/x86/kvm/vmx/hyperv.h:34:30: sparse: sparse: cast truncates bits from constant value (110011 becomes 11)
arch/x86/kvm/vmx/hyperv.h:34:30: sparse: sparse: cast truncates bits from constant value (110011 becomes 11)
arch/x86/kvm/vmx/hyperv.h:34:30: sparse: sparse: cast truncates bits from constant value (110011 becomes 11)
arch/x86/kvm/vmx/hyperv.h:34:30: sparse: sparse: cast truncates bits from constant value (100190 becomes 190)
arch/x86/kvm/vmx/hyperv.h:34:30: sparse: sparse: cast truncates bits from constant value (100210 becomes 210)
arch/x86/kvm/vmx/hyperv.h:34:30: sparse: sparse: cast truncates bits from constant value (100110 becomes 110)
arch/x86/kvm/vmx/hyperv.h:34:30: sparse: sparse: cast truncates bits from constant value (100490 becomes 490)
arch/x86/kvm/vmx/hyperv.h:34:30: sparse: sparse: cast truncates bits from constant value (100310 becomes 310)
arch/x86/kvm/vmx/hyperv.h:34:30: sparse: sparse: cast truncates bits from constant value (100490 becomes 490)
arch/x86/kvm/vmx/hyperv.h:34:30: sparse: sparse: cast truncates bits from constant value (100310 becomes 310)
arch/x86/kvm/vmx/hyperv.h:34:30: sparse: sparse: cast truncates bits from constant value (100510 becomes 510)
arch/x86/kvm/vmx/hyperv.h:34:30: sparse: sparse: cast truncates bits from constant value (100410 becomes 410)
arch/x86/kvm/vmx/hyperv.h:34:30: sparse: sparse: cast truncates bits from constant value (a018a becomes 18a)
arch/x86/kvm/vmx/hyperv.h:34:30: sparse: sparse: cast truncates bits from constant value (b008b becomes 8b)
arch/x86/kvm/vmx/hyperv.h:34:30: sparse: sparse: cast truncates bits from constant value (100490 becomes 490)
arch/x86/kvm/vmx/hyperv.h:34:30: sparse: sparse: cast truncates bits from constant value (100310 becomes 310)
arch/x86/kvm/vmx/hyperv.h:34:30: sparse: sparse: cast truncates bits from constant value (a020a becomes 20a)
arch/x86/kvm/vmx/hyperv.h:34:30: sparse: sparse: cast truncates bits from constant value (b010b becomes 10b)
arch/x86/kvm/vmx/hyperv.h:34:30: sparse: sparse: cast truncates bits from constant value (100490 becomes 490)
arch/x86/kvm/vmx/hyperv.h:34:30: sparse: sparse: cast truncates bits from constant value (100310 becomes 310)
arch/x86/kvm/vmx/hyperv.h:34:30: sparse: sparse: cast truncates bits from constant value (100510 becomes 510)
arch/x86/kvm/vmx/hyperv.h:34:30: sparse: sparse: cast truncates bits from constant value (100410 becomes 410)
arch/x86/kvm/vmx/hyperv.h:34:30: sparse: sparse: cast truncates bits from constant value (30203 becomes 203)
arch/x86/kvm/vmx/hyperv.h:34:30: sparse: sparse: cast truncates bits from constant value (30203 becomes 203)
arch/x86/kvm/vmx/hyperv.h:34:30: sparse: sparse: cast truncates bits from constant value (30283 becomes 283)
arch/x86/kvm/vmx/hyperv.h:34:30: sparse: sparse: cast truncates bits from constant value (30283 becomes 283)
arch/x86/kvm/vmx/hyperv.h:34:30: sparse: sparse: cast truncates bits from constant value (1b019b becomes 19b)
arch/x86/kvm/vmx/hyperv.h:34:30: sparse: sparse: cast truncates bits from constant value (1b021b becomes 21b)
arch/x86/kvm/vmx/vmx.c: note: in included file (through arch/x86/include/asm/cpufeature.h, arch/x86/include/asm/thread_info.h, include/linux/thread_info.h, ...):
arch/x86/include/asm/processor.h:399:31: sparse: sparse: incorrect type in initializer (different address spaces) @@ expected void const [noderef] __percpu *__vpp_verify @@ got char ( * )[40] @@
arch/x86/include/asm/processor.h:399:31: sparse: expected void const [noderef] __percpu *__vpp_verify
arch/x86/include/asm/processor.h:399:31: sparse: got char ( * )[40]
arch/x86/kvm/vmx/vmx.c: note: in included file:
arch/x86/kvm/vmx/hyperv.h:34:30: sparse: sparse: cast truncates bits from constant value (1b029b becomes 29b)
arch/x86/kvm/vmx/hyperv.h:34:30: sparse: sparse: cast truncates bits from constant value (1b031b becomes 31b)
arch/x86/kvm/vmx/hyperv.h:34:30: sparse: sparse: cast truncates bits from constant value (1b041b becomes 41b)
arch/x86/kvm/vmx/hyperv.h:34:30: sparse: sparse: cast truncates bits from constant value (1a081a becomes 81a)
arch/x86/kvm/vmx/hyperv.h:34:30: sparse: sparse: cast truncates bits from constant value (1a081a becomes 81a)
arch/x86/kvm/vmx/hyperv.h:34:30: sparse: sparse: cast truncates bits from constant value (1a081a becomes 81a)
arch/x86/kvm/vmx/hyperv.h:34:30: sparse: sparse: cast truncates bits from constant value (120912 becomes 912)
arch/x86/kvm/vmx/hyperv.h:34:30: sparse: sparse: cast truncates bits from constant value (120912 becomes 912)
arch/x86/kvm/vmx/hyperv.h:34:30: sparse: sparse: cast truncates bits from constant value (120912 becomes 912)
arch/x86/kvm/vmx/hyperv.h:34:30: sparse: sparse: cast truncates bits from constant value (110311 becomes 311)
arch/x86/kvm/vmx/hyperv.h:34:30: sparse: sparse: cast truncates bits from constant value (120992 becomes 992)
arch/x86/kvm/vmx/hyperv.h:34:30: sparse: sparse: cast truncates bits from constant value (120992 becomes 992)
arch/x86/kvm/vmx/hyperv.h:34:30: sparse: sparse: cast truncates bits from constant value (100610 becomes 610)
arch/x86/kvm/vmx/hyperv.h:34:30: sparse: sparse: cast truncates bits from constant value (100690 becomes 690)
arch/x86/kvm/vmx/hyperv.h:34:30: sparse: sparse: cast truncates bits from constant value (100590 becomes 590)
arch/x86/kvm/vmx/hyperv.h:34:30: sparse: sparse: cast truncates bits from constant value (80408 becomes 408)
arch/x86/kvm/vmx/hyperv.h:34:30: sparse: sparse: cast truncates bits from constant value (80c88 becomes c88)
arch/x86/kvm/vmx/hyperv.h:34:30: sparse: sparse: cast truncates bits from constant value (1a039a becomes 39a)
arch/x86/kvm/vmx/hyperv.h:34:30: sparse: sparse: cast truncates bits from constant value (1a041a becomes 41a)
arch/x86/kvm/vmx/hyperv.h:34:30: sparse: sparse: cast truncates bits from constant value (120a92 becomes a92)
arch/x86/kvm/vmx/hyperv.h:34:30: sparse: sparse: cast truncates bits from constant value (1a099a becomes 99a)
arch/x86/kvm/vmx/hyperv.h:34:30: sparse: sparse: cast truncates bits from constant value (1a091a becomes 91a)
arch/x86/kvm/vmx/hyperv.h:34:30: sparse: sparse: cast truncates bits from constant value (a048a becomes 48a)
>> arch/x86/kvm/vmx/hyperv.h:34:30: sparse: sparse: cast truncates bits from constant value (1a0a1a becomes a1a)
>> arch/x86/kvm/vmx/hyperv.h:34:30: sparse: sparse: cast truncates bits from constant value (1a0a9a becomes a9a)
>> arch/x86/kvm/vmx/hyperv.h:34:30: sparse: sparse: cast truncates bits from constant value (1a0b1a becomes b1a)
arch/x86/kvm/vmx/hyperv.h:34:30: sparse: sparse: cast truncates bits from constant value (a008a becomes 8a)
arch/x86/kvm/vmx/hyperv.h:34:30: sparse: sparse: cast truncates bits from constant value (1a039a becomes 39a)
arch/x86/kvm/vmx/hyperv.h:34:30: sparse: sparse: cast truncates bits from constant value (1a041a becomes 41a)
arch/x86/kvm/vmx/hyperv.h:34:30: sparse: sparse: cast truncates bits from constant value (120a92 becomes a92)
arch/x86/kvm/vmx/hyperv.h:34:30: sparse: sparse: cast truncates bits from constant value (1a099a becomes 99a)
arch/x86/kvm/vmx/hyperv.h:34:30: sparse: sparse: cast truncates bits from constant value (1a091a becomes 91a)
arch/x86/kvm/vmx/hyperv.h:34:30: sparse: sparse: cast truncates bits from constant value (a008a becomes 8a)
arch/x86/kvm/vmx/hyperv.h:34:30: sparse: sparse: cast truncates bits from constant value (a048a becomes 48a)
arch/x86/kvm/vmx/hyperv.h:34:30: sparse: sparse: cast truncates bits from constant value (a010a becomes 10a)
arch/x86/kvm/vmx/hyperv.h:34:30: sparse: sparse: cast truncates bits from constant value (80b88 becomes b88)
arch/x86/kvm/vmx/hyperv.h:34:30: sparse: sparse: cast truncates bits from constant value (a050a becomes 50a)
>> arch/x86/kvm/vmx/hyperv.h:34:30: sparse: sparse: cast truncates bits from constant value (1a0a1a becomes a1a)
>> arch/x86/kvm/vmx/hyperv.h:34:30: sparse: sparse: cast truncates bits from constant value (1a0a9a becomes a9a)
>> arch/x86/kvm/vmx/hyperv.h:34:30: sparse: sparse: cast truncates bits from constant value (1a0b1a becomes b1a)
arch/x86/kvm/vmx/hyperv.h:34:30: sparse: sparse: cast truncates bits from constant value (1a071a becomes 71a)
arch/x86/kvm/vmx/hyperv.h:34:30: sparse: sparse: cast truncates bits from constant value (1a079a becomes 79a)
arch/x86/kvm/vmx/hyperv.h:34:30: sparse: sparse: cast truncates bits from constant value (1a001a becomes 1a)
arch/x86/kvm/vmx/hyperv.h:34:30: sparse: sparse: cast truncates bits from constant value (1a009a becomes 9a)
arch/x86/kvm/vmx/hyperv.h:34:30: sparse: sparse: cast truncates bits from constant value (1a011a becomes 11a)
arch/x86/kvm/vmx/hyperv.h:34:30: sparse: sparse: cast truncates bits from constant value (1a081a becomes 81a)
arch/x86/kvm/vmx/hyperv.h:34:30: sparse: sparse: cast truncates bits from constant value (1a081a becomes 81a)
arch/x86/kvm/vmx/hyperv.h:34:30: sparse: sparse: cast truncates bits from constant value (1a011a becomes 11a)
arch/x86/kvm/vmx/hyperv.h:34:30: sparse: sparse: cast truncates bits from constant value (180198 becomes 198)
arch/x86/kvm/vmx/hyperv.h:34:30: sparse: sparse: cast truncates bits from constant value (1a011a becomes 11a)
arch/x86/kvm/vmx/hyperv.h:34:30: sparse: sparse: cast truncates bits from constant value (1a051a becomes 51a)
arch/x86/kvm/vmx/hyperv.h:34:30: sparse: sparse: cast truncates bits from constant value (120392 becomes 392)
arch/x86/kvm/vmx/hyperv.h:34:30: sparse: sparse: cast truncates bits from constant value (120892 becomes 892)
arch/x86/kvm/vmx/hyperv.h:34:30: sparse: sparse: cast truncates bits from constant value (1a081a becomes 81a)
arch/x86/kvm/vmx/hyperv.h:34:30: sparse: sparse: cast truncates bits from constant value (1a081a becomes 81a)
arch/x86/kvm/vmx/hyperv.h:34:30: sparse: sparse: cast truncates bits from constant value (1a011a becomes 11a)
arch/x86/kvm/vmx/hyperv.h:34:30: sparse: sparse: cast truncates bits from constant value (1a011a becomes 11a)
arch/x86/kvm/vmx/hyperv.h:34:30: sparse: sparse: cast truncates bits from constant value (100490 becomes 490)
arch/x86/kvm/vmx/hyperv.h:34:30: sparse: sparse: cast truncates bits from constant value (100490 becomes 490)
arch/x86/kvm/vmx/hyperv.h:34:30: sparse: sparse: cast truncates bits from constant value (120892 becomes 892)
arch/x86/kvm/vmx/hyperv.h:34:30: sparse: sparse: cast truncates bits from constant value (120892 becomes 892)
arch/x86/kvm/vmx/hyperv.h:34:30: sparse: sparse: cast truncates bits from constant value (a028a becomes 28a)
arch/x86/kvm/vmx/hyperv.h:34:30: sparse: sparse: cast truncates bits from constant value (a030a becomes 30a)
arch/x86/kvm/vmx/hyperv.h:34:30: sparse: sparse: cast truncates bits from constant value (a038a becomes 38a)
arch/x86/kvm/vmx/hyperv.h:34:30: sparse: sparse: cast truncates bits from constant value (a040a becomes 40a)
arch/x86/kvm/vmx/hyperv.h:34:30: sparse: sparse: cast truncates bits from constant value (a028a becomes 28a)
arch/x86/kvm/vmx/hyperv.h:34:30: sparse: sparse: cast truncates bits from constant value (a030a becomes 30a)
arch/x86/kvm/vmx/hyperv.h:34:30: sparse: sparse: too many warnings
vim +34 arch/x86/kvm/vmx/hyperv.h
75edce8a45486f arch/x86/kvm/vmx/evmcs.h Sean Christopherson 2018-12-03 30
892a42c10ddb94 arch/x86/kvm/vmx/evmcs.h Vitaly Kuznetsov 2022-01-12 31 static __always_inline int evmcs_field_offset(unsigned long field,
773e8a0425c923 arch/x86/kvm/vmx_evmcs.h Vitaly Kuznetsov 2018-03-20 32 u16 *clean_field)
773e8a0425c923 arch/x86/kvm/vmx_evmcs.h Vitaly Kuznetsov 2018-03-20 33 {
773e8a0425c923 arch/x86/kvm/vmx_evmcs.h Vitaly Kuznetsov 2018-03-20 @34 unsigned int index = ROL16(field, 6);
773e8a0425c923 arch/x86/kvm/vmx_evmcs.h Vitaly Kuznetsov 2018-03-20 35 const struct evmcs_field *evmcs_field;
773e8a0425c923 arch/x86/kvm/vmx_evmcs.h Vitaly Kuznetsov 2018-03-20 36
892a42c10ddb94 arch/x86/kvm/vmx/evmcs.h Vitaly Kuznetsov 2022-01-12 37 if (unlikely(index >= nr_evmcs_1_fields))
773e8a0425c923 arch/x86/kvm/vmx_evmcs.h Vitaly Kuznetsov 2018-03-20 38 return -ENOENT;
773e8a0425c923 arch/x86/kvm/vmx_evmcs.h Vitaly Kuznetsov 2018-03-20 39
773e8a0425c923 arch/x86/kvm/vmx_evmcs.h Vitaly Kuznetsov 2018-03-20 40 evmcs_field = &vmcs_field_to_evmcs_1[index];
773e8a0425c923 arch/x86/kvm/vmx_evmcs.h Vitaly Kuznetsov 2018-03-20 41
892a42c10ddb94 arch/x86/kvm/vmx/evmcs.h Vitaly Kuznetsov 2022-01-12 42 /*
892a42c10ddb94 arch/x86/kvm/vmx/evmcs.h Vitaly Kuznetsov 2022-01-12 43 * Use offset=0 to detect holes in eVMCS. This offset belongs to
892a42c10ddb94 arch/x86/kvm/vmx/evmcs.h Vitaly Kuznetsov 2022-01-12 44 * 'revision_id' but this field has no encoding and is supposed to
892a42c10ddb94 arch/x86/kvm/vmx/evmcs.h Vitaly Kuznetsov 2022-01-12 45 * be accessed directly.
892a42c10ddb94 arch/x86/kvm/vmx/evmcs.h Vitaly Kuznetsov 2022-01-12 46 */
892a42c10ddb94 arch/x86/kvm/vmx/evmcs.h Vitaly Kuznetsov 2022-01-12 47 if (unlikely(!evmcs_field->offset))
892a42c10ddb94 arch/x86/kvm/vmx/evmcs.h Vitaly Kuznetsov 2022-01-12 48 return -ENOENT;
892a42c10ddb94 arch/x86/kvm/vmx/evmcs.h Vitaly Kuznetsov 2022-01-12 49
773e8a0425c923 arch/x86/kvm/vmx_evmcs.h Vitaly Kuznetsov 2018-03-20 50 if (clean_field)
773e8a0425c923 arch/x86/kvm/vmx_evmcs.h Vitaly Kuznetsov 2018-03-20 51 *clean_field = evmcs_field->clean_field;
773e8a0425c923 arch/x86/kvm/vmx_evmcs.h Vitaly Kuznetsov 2018-03-20 52
773e8a0425c923 arch/x86/kvm/vmx_evmcs.h Vitaly Kuznetsov 2018-03-20 53 return evmcs_field->offset;
773e8a0425c923 arch/x86/kvm/vmx_evmcs.h Vitaly Kuznetsov 2018-03-20 54 }
773e8a0425c923 arch/x86/kvm/vmx_evmcs.h Vitaly Kuznetsov 2018-03-20 55
--
0-DAY CI Kernel Test Service
https://github.com/intel/lkp-tests/wiki
next reply other threads:[~2023-09-19 0:15 UTC|newest]
Thread overview: 10+ messages / expand[flat|nested] mbox.gz Atom feed top
2023-09-19 0:14 kernel test robot [this message]
-- strict thread matches above, loose matches on Subject: below --
2023-09-14 6:33 [PATCH v6 00/25] Enable CET Virtualization Yang Weijiang
2023-09-14 6:33 ` [PATCH v6 19/25] KVM: VMX: Emulate read and write to CET MSRs Yang Weijiang
2023-10-31 17:55 ` Maxim Levitsky
2023-11-01 16:31 ` Sean Christopherson
2023-11-02 18:38 ` Maxim Levitsky
2023-11-02 23:58 ` Sean Christopherson
2023-11-07 18:12 ` Maxim Levitsky
2023-11-07 18:39 ` Sean Christopherson
2023-11-03 8:18 ` Yang, Weijiang
2023-11-03 22:26 ` Sean Christopherson
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