From: kernel test robot <lkp@intel.com>
To: Aaron Lewis <aaronlewis@google.com>,
jmattson@google.com, graf@amazon.com
Cc: kbuild-all@lists.01.org, pshier@google.com, oupton@google.com,
kvm@vger.kernel.org, Aaron Lewis <aaronlewis@google.com>
Subject: Re: [PATCH v3 07/12] KVM: x86: Ensure the MSR bitmap never clears userspace tracked MSRs
Date: Wed, 19 Aug 2020 09:12:10 +0800 [thread overview]
Message-ID: <202008190954.112BHOQz%lkp@intel.com> (raw)
In-Reply-To: <20200818211533.849501-8-aaronlewis@google.com>
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Hi Aaron,
Thank you for the patch! Perhaps something to improve:
[auto build test WARNING on kvm/linux-next]
[also build test WARNING on v5.9-rc1 next-20200818]
[cannot apply to kvms390/next vhost/linux-next]
[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/Aaron-Lewis/Allow-userspace-to-manage-MSRs/20200819-051903
base: https://git.kernel.org/pub/scm/virt/kvm/kvm.git linux-next
config: i386-randconfig-s001-20200818 (attached as .config)
compiler: gcc-9 (Debian 9.3.0-15) 9.3.0
reproduce:
# apt-get install sparse
# sparse version: v0.6.2-183-gaa6ede3b-dirty
# save the attached .config to linux build tree
make W=1 C=1 CF='-fdiagnostic-prefix -D__CHECK_ENDIAN__' ARCH=i386
If you fix the issue, kindly add following tag as appropriate
Reported-by: kernel test robot <lkp@intel.com>
sparse warnings: (new ones prefixed by >>)
>> arch/x86/kvm/vmx/vmx.c:3823:6: sparse: sparse: symbol 'vmx_set_user_msr_intercept' was not declared. Should it be static?
arch/x86/kvm/vmx/vmx.c: note: in included file:
arch/x86/kvm/vmx/evmcs.h:81:30: sparse: sparse: cast truncates bits from constant value (110011 becomes 11)
arch/x86/kvm/vmx/evmcs.h:81:30: sparse: sparse: cast truncates bits from constant value (110011 becomes 11)
arch/x86/kvm/vmx/evmcs.h:81:30: sparse: sparse: cast truncates bits from constant value (100110 becomes 110)
arch/x86/kvm/vmx/evmcs.h:81:30: sparse: sparse: cast truncates bits from constant value (100490 becomes 490)
arch/x86/kvm/vmx/evmcs.h:81:30: sparse: sparse: cast truncates bits from constant value (100310 becomes 310)
arch/x86/kvm/vmx/evmcs.h:81:30: sparse: sparse: cast truncates bits from constant value (100510 becomes 510)
arch/x86/kvm/vmx/evmcs.h:81:30: sparse: sparse: cast truncates bits from constant value (100410 becomes 410)
arch/x86/kvm/vmx/evmcs.h:81:30: sparse: sparse: cast truncates bits from constant value (100490 becomes 490)
arch/x86/kvm/vmx/evmcs.h:81:30: sparse: sparse: cast truncates bits from constant value (100310 becomes 310)
arch/x86/kvm/vmx/evmcs.h:81:30: sparse: sparse: cast truncates bits from constant value (100510 becomes 510)
arch/x86/kvm/vmx/evmcs.h:81:30: sparse: sparse: cast truncates bits from constant value (100410 becomes 410)
arch/x86/kvm/vmx/evmcs.h:81:30: sparse: sparse: cast truncates bits from constant value (30203 becomes 203)
arch/x86/kvm/vmx/evmcs.h:81:30: sparse: sparse: cast truncates bits from constant value (30203 becomes 203)
arch/x86/kvm/vmx/evmcs.h:81:30: sparse: sparse: cast truncates bits from constant value (30283 becomes 283)
arch/x86/kvm/vmx/evmcs.h:81:30: sparse: sparse: cast truncates bits from constant value (30283 becomes 283)
arch/x86/kvm/vmx/evmcs.h:81:30: sparse: sparse: cast truncates bits from constant value (1b019b becomes 19b)
arch/x86/kvm/vmx/evmcs.h:81:30: sparse: sparse: cast truncates bits from constant value (1b021b becomes 21b)
arch/x86/kvm/vmx/evmcs.h:81:30: sparse: sparse: cast truncates bits from constant value (1b029b becomes 29b)
arch/x86/kvm/vmx/evmcs.h:81:30: sparse: sparse: cast truncates bits from constant value (1b031b becomes 31b)
arch/x86/kvm/vmx/evmcs.h:81:30: sparse: sparse: cast truncates bits from constant value (1b041b becomes 41b)
arch/x86/kvm/vmx/evmcs.h:81:30: sparse: sparse: cast truncates bits from constant value (80c88 becomes c88)
arch/x86/kvm/vmx/evmcs.h:81:30: sparse: sparse: cast truncates bits from constant value (1a081a becomes 81a)
arch/x86/kvm/vmx/evmcs.h:81:30: sparse: sparse: cast truncates bits from constant value (1a081a becomes 81a)
arch/x86/kvm/vmx/evmcs.h:81:30: sparse: sparse: cast truncates bits from constant value (1a081a becomes 81a)
arch/x86/kvm/vmx/evmcs.h:81:30: sparse: sparse: cast truncates bits from constant value (120912 becomes 912)
arch/x86/kvm/vmx/evmcs.h:81:30: sparse: sparse: cast truncates bits from constant value (120912 becomes 912)
arch/x86/kvm/vmx/evmcs.h:81:30: sparse: sparse: cast truncates bits from constant value (120912 becomes 912)
arch/x86/kvm/vmx/evmcs.h:81:30: sparse: sparse: cast truncates bits from constant value (110311 becomes 311)
arch/x86/kvm/vmx/evmcs.h:81:30: sparse: sparse: cast truncates bits from constant value (120992 becomes 992)
arch/x86/kvm/vmx/evmcs.h:81:30: sparse: sparse: cast truncates bits from constant value (120992 becomes 992)
arch/x86/kvm/vmx/evmcs.h:81:30: sparse: sparse: cast truncates bits from constant value (100610 becomes 610)
arch/x86/kvm/vmx/evmcs.h:81:30: sparse: sparse: cast truncates bits from constant value (100690 becomes 690)
arch/x86/kvm/vmx/evmcs.h:81:30: sparse: sparse: cast truncates bits from constant value (100590 becomes 590)
arch/x86/kvm/vmx/evmcs.h:81:30: sparse: sparse: cast truncates bits from constant value (80408 becomes 408)
arch/x86/kvm/vmx/evmcs.h:81:30: sparse: sparse: cast truncates bits from constant value (120a92 becomes a92)
arch/x86/kvm/vmx/evmcs.h:81:30: sparse: sparse: cast truncates bits from constant value (1a099a becomes 99a)
arch/x86/kvm/vmx/evmcs.h:81:30: sparse: sparse: cast truncates bits from constant value (1a091a becomes 91a)
arch/x86/kvm/vmx/evmcs.h:81:30: sparse: sparse: cast truncates bits from constant value (a048a becomes 48a)
arch/x86/kvm/vmx/evmcs.h:81:30: sparse: sparse: cast truncates bits from constant value (120a92 becomes a92)
arch/x86/kvm/vmx/evmcs.h:81:30: sparse: sparse: cast truncates bits from constant value (1a099a becomes 99a)
arch/x86/kvm/vmx/evmcs.h:81:30: sparse: sparse: cast truncates bits from constant value (1a091a becomes 91a)
arch/x86/kvm/vmx/evmcs.h:81:30: sparse: sparse: cast truncates bits from constant value (a048a becomes 48a)
arch/x86/kvm/vmx/evmcs.h:81:30: sparse: sparse: cast truncates bits from constant value (a010a becomes 10a)
arch/x86/kvm/vmx/evmcs.h:81:30: sparse: sparse: cast truncates bits from constant value (a050a becomes 50a)
arch/x86/kvm/vmx/evmcs.h:81:30: sparse: sparse: cast truncates bits from constant value (1a071a becomes 71a)
arch/x86/kvm/vmx/evmcs.h:81:30: sparse: sparse: cast truncates bits from constant value (1a079a becomes 79a)
arch/x86/kvm/vmx/evmcs.h:81:30: sparse: sparse: cast truncates bits from constant value (1a001a becomes 1a)
arch/x86/kvm/vmx/evmcs.h:81:30: sparse: sparse: cast truncates bits from constant value (1a009a becomes 9a)
arch/x86/kvm/vmx/evmcs.h:81:30: sparse: sparse: cast truncates bits from constant value (1a011a becomes 11a)
arch/x86/kvm/vmx/evmcs.h:81:30: sparse: sparse: cast truncates bits from constant value (1a081a becomes 81a)
arch/x86/kvm/vmx/evmcs.h:81:30: sparse: sparse: cast truncates bits from constant value (1a081a becomes 81a)
arch/x86/kvm/vmx/evmcs.h:81:30: sparse: sparse: cast truncates bits from constant value (1a011a becomes 11a)
arch/x86/kvm/vmx/evmcs.h:81:30: sparse: sparse: cast truncates bits from constant value (180198 becomes 198)
arch/x86/kvm/vmx/evmcs.h:81:30: sparse: sparse: cast truncates bits from constant value (1a011a becomes 11a)
arch/x86/kvm/vmx/evmcs.h:81:30: sparse: sparse: cast truncates bits from constant value (1a051a becomes 51a)
arch/x86/kvm/vmx/evmcs.h:81:30: sparse: sparse: cast truncates bits from constant value (120392 becomes 392)
arch/x86/kvm/vmx/evmcs.h:81:30: sparse: sparse: cast truncates bits from constant value (120892 becomes 892)
arch/x86/kvm/vmx/evmcs.h:81:30: sparse: sparse: cast truncates bits from constant value (1a081a becomes 81a)
arch/x86/kvm/vmx/evmcs.h:81:30: sparse: sparse: cast truncates bits from constant value (1a081a becomes 81a)
arch/x86/kvm/vmx/evmcs.h:81:30: sparse: sparse: cast truncates bits from constant value (1a011a becomes 11a)
arch/x86/kvm/vmx/evmcs.h:81:30: sparse: sparse: cast truncates bits from constant value (1a011a becomes 11a)
arch/x86/kvm/vmx/evmcs.h:81:30: sparse: sparse: cast truncates bits from constant value (100490 becomes 490)
arch/x86/kvm/vmx/evmcs.h:81:30: sparse: sparse: cast truncates bits from constant value (100490 becomes 490)
arch/x86/kvm/vmx/evmcs.h:81:30: sparse: sparse: cast truncates bits from constant value (a028a becomes 28a)
arch/x86/kvm/vmx/evmcs.h:81:30: sparse: sparse: cast truncates bits from constant value (a030a becomes 30a)
arch/x86/kvm/vmx/evmcs.h:81:30: sparse: sparse: cast truncates bits from constant value (a038a becomes 38a)
arch/x86/kvm/vmx/evmcs.h:81:30: sparse: sparse: cast truncates bits from constant value (a040a becomes 40a)
arch/x86/kvm/vmx/evmcs.h:81:30: sparse: sparse: cast truncates bits from constant value (a028a becomes 28a)
arch/x86/kvm/vmx/evmcs.h:81:30: sparse: sparse: cast truncates bits from constant value (a030a becomes 30a)
arch/x86/kvm/vmx/evmcs.h:81:30: sparse: sparse: cast truncates bits from constant value (a038a becomes 38a)
arch/x86/kvm/vmx/evmcs.h:81:30: sparse: sparse: cast truncates bits from constant value (a040a becomes 40a)
arch/x86/kvm/vmx/evmcs.h:81:30: sparse: sparse: cast truncates bits from constant value (100090 becomes 90)
arch/x86/kvm/vmx/evmcs.h:81:30: sparse: sparse: cast truncates bits from constant value (100090 becomes 90)
arch/x86/kvm/vmx/evmcs.h:81:30: sparse: sparse: cast truncates bits from constant value (180118 becomes 118)
arch/x86/kvm/vmx/evmcs.h:81:30: sparse: sparse: cast truncates bits from constant value (1a001a becomes 1a)
arch/x86/kvm/vmx/evmcs.h:81:30: sparse: sparse: cast truncates bits from constant value (80688 becomes 688)
arch/x86/kvm/vmx/evmcs.h:81:30: sparse: sparse: cast truncates bits from constant value (1a009a becomes 9a)
arch/x86/kvm/vmx/evmcs.h:81:30: sparse: sparse: cast truncates bits from constant value (100790 becomes 790)
arch/x86/kvm/vmx/evmcs.h:81:30: sparse: sparse: cast truncates bits from constant value (100790 becomes 790)
arch/x86/kvm/vmx/evmcs.h:81:30: sparse: sparse: cast truncates bits from constant value (180198 becomes 198)
arch/x86/kvm/vmx/evmcs.h:81:30: sparse: sparse: cast truncates bits from constant value (1a011a becomes 11a)
arch/x86/kvm/vmx/evmcs.h:81:30: sparse: sparse: cast truncates bits from constant value (120492 becomes 492)
arch/x86/kvm/vmx/evmcs.h:81:30: sparse: sparse: cast truncates bits from constant value (1a061a becomes 61a)
arch/x86/kvm/vmx/evmcs.h:81:30: sparse: sparse: cast truncates bits from constant value (120492 becomes 492)
arch/x86/kvm/vmx/evmcs.h:81:30: sparse: sparse: cast truncates bits from constant value (1a061a becomes 61a)
arch/x86/kvm/vmx/evmcs.h:81:30: sparse: sparse: cast truncates bits from constant value (120412 becomes 412)
arch/x86/kvm/vmx/evmcs.h:81:30: sparse: sparse: cast truncates bits from constant value (1a059a becomes 59a)
arch/x86/kvm/vmx/evmcs.h:81:30: sparse: sparse: cast truncates bits from constant value (120412 becomes 412)
arch/x86/kvm/vmx/evmcs.h:81:30: sparse: sparse: cast truncates bits from constant value (1a059a becomes 59a)
arch/x86/kvm/vmx/evmcs.h:81:30: sparse: sparse: cast truncates bits from constant value (20402 becomes 402)
arch/x86/kvm/vmx/evmcs.h:81:30: sparse: sparse: cast truncates bits from constant value (1b001b becomes 1b)
arch/x86/kvm/vmx/evmcs.h:81:30: sparse: sparse: cast truncates bits from constant value (1b009b becomes 9b)
arch/x86/kvm/vmx/evmcs.h:81:30: sparse: sparse: cast truncates bits from constant value (1b011b becomes 11b)
arch/x86/kvm/vmx/evmcs.h:81:30: sparse: sparse: cast truncates bits from constant value (30083 becomes 83)
arch/x86/kvm/vmx/evmcs.h:81:30: sparse: sparse: cast truncates bits from constant value (30183 becomes 183)
arch/x86/kvm/vmx/evmcs.h:81:30: sparse: sparse: cast truncates bits from constant value (30003 becomes 3)
arch/x86/kvm/vmx/evmcs.h:81:30: sparse: sparse: cast truncates bits from constant value (30103 becomes 103)
arch/x86/kvm/vmx/evmcs.h:81:30: sparse: sparse: cast truncates bits from constant value (30303 becomes 303)
arch/x86/kvm/vmx/evmcs.h:81:30: sparse: sparse: too many warnings
--
>> arch/x86/kvm/svm/svm.c:636:6: sparse: sparse: symbol 'svm_set_user_msr_intercept' was not declared. Should it be static?
arch/x86/kvm/svm/svm.c:471:17: sparse: sparse: cast truncates bits from constant value (100000000 becomes 0)
arch/x86/kvm/svm/svm.c:471:17: sparse: sparse: cast truncates bits from constant value (100000000 becomes 0)
arch/x86/kvm/svm/svm.c:471:17: sparse: sparse: cast truncates bits from constant value (100000000 becomes 0)
Please review and possibly fold the followup patch.
---
0-DAY CI Kernel Test Service, Intel Corporation
https://lists.01.org/hyperkitty/list/kbuild-all@lists.01.org
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next prev parent reply other threads:[~2020-08-19 1:13 UTC|newest]
Thread overview: 42+ messages / expand[flat|nested] mbox.gz Atom feed top
2020-08-18 21:15 [PATCH v3 00/12] Allow userspace to manage MSRs Aaron Lewis
2020-08-18 21:15 ` [PATCH v3 01/12] KVM: x86: Deflect unknown MSR accesses to user space Aaron Lewis
2020-08-19 8:42 ` Alexander Graf
2020-08-18 21:15 ` [PATCH v3 02/12] KVM: x86: Introduce allow list for MSR emulation Aaron Lewis
2020-08-19 8:53 ` Alexander Graf
2020-08-31 10:39 ` Dan Carpenter
2020-09-01 19:13 ` Alexander Graf
2020-09-02 7:31 ` Dan Carpenter
2020-08-18 21:15 ` [PATCH v3 03/12] KVM: selftests: Add test for user space MSR handling Aaron Lewis
2020-08-18 21:15 ` [PATCH v3 04/12] KVM: x86: Add ioctl for accepting a userspace provided MSR list Aaron Lewis
2020-08-19 9:00 ` Alexander Graf
2020-08-20 17:30 ` Jim Mattson
2020-08-20 21:49 ` Alexander Graf
2020-08-20 22:28 ` Jim Mattson
2020-08-18 21:15 ` [PATCH v3 05/12] KVM: x86: Add support for exiting to userspace on rdmsr or wrmsr Aaron Lewis
2020-08-19 10:25 ` Alexander Graf
2020-08-20 18:17 ` Jim Mattson
2020-08-20 21:59 ` Alexander Graf
2020-08-20 22:55 ` Jim Mattson
2020-08-21 17:58 ` Jim Mattson
2020-08-24 1:35 ` Alexander Graf
2020-08-24 17:23 ` Jim Mattson
2020-08-24 18:09 ` Alexander Graf
2020-08-24 18:34 ` Jim Mattson
2020-08-18 21:15 ` [PATCH v3 06/12] KVM: x86: Prepare MSR bitmaps for userspace tracked MSRs Aaron Lewis
2020-08-18 21:15 ` [PATCH v3 07/12] KVM: x86: Ensure the MSR bitmap never clears " Aaron Lewis
2020-08-19 1:12 ` kernel test robot [this message]
2020-08-19 1:12 ` [RFC PATCH] KVM: x86: vmx_set_user_msr_intercept() can be static kernel test robot
2020-08-19 15:26 ` [PATCH v3 07/12] KVM: x86: Ensure the MSR bitmap never clears userspace tracked MSRs Alexander Graf
2020-08-20 0:18 ` Aaron Lewis
2020-08-20 22:04 ` Alexander Graf
2020-08-20 22:35 ` Jim Mattson
2020-08-21 14:27 ` Aaron Lewis
2020-08-21 16:07 ` Alexander Graf
2020-08-21 16:43 ` Aaron Lewis
2020-08-26 15:48 ` kernel test robot
2020-08-18 21:15 ` [PATCH v3 08/12] selftests: kvm: Fix the segment descriptor layout to match the actual layout Aaron Lewis
2020-08-18 21:15 ` [PATCH v3 09/12] selftests: kvm: Clear uc so UCALL_NONE is being properly reported Aaron Lewis
2020-08-19 9:13 ` Andrew Jones
2020-08-18 21:15 ` [PATCH v3 10/12] selftests: kvm: Add exception handling to selftests Aaron Lewis
2020-08-18 21:15 ` [PATCH v3 11/12] selftests: kvm: Add a test to exercise the userspace MSR list Aaron Lewis
2020-08-18 21:15 ` [PATCH v3 12/12] selftests: kvm: Add emulated rdmsr, wrmsr tests Aaron Lewis
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