From: kbuild test robot <lkp@intel.com>
To: kbuild-all@lists.01.org
Subject: Re: [RFC v2 4/4] X86: Use KVM CR pin MSRs
Date: Thu, 20 Feb 2020 17:10:23 +0800 [thread overview]
Message-ID: <202002201747.aUnCJ8u5%lkp@intel.com> (raw)
In-Reply-To: <20200218215902.5655-5-john.s.andersen@intel.com>
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Hi John,
[FYI, it's a private test report for your RFC patch.]
[auto build test ERROR on kvm/linux-next]
[also build test ERROR on v5.6-rc2 next-20200219]
[cannot apply to tip/x86/core tip/auto-latest]
[if your patch is applied to the wrong git tree, please drop us a note to help
improve the system. BTW, we also suggest to use '--base' option to specify the
base tree in git format-patch, please see https://stackoverflow.com/a/37406982]
url: https://github.com/0day-ci/linux/commits/John-Andersen/Paravirtualized-Control-Register-pinning/20200220-155307
base: https://git.kernel.org/pub/scm/virt/kvm/kvm.git linux-next
config: i386-tinyconfig (attached as .config)
compiler: gcc-7 (Debian 7.5.0-5) 7.5.0
reproduce:
# save the attached .config to linux build tree
make ARCH=i386
If you fix the issue, kindly add following tag
Reported-by: kbuild test robot <lkp@intel.com>
All errors (new ones prefixed by >>):
arch/x86/kernel/cpu/common.c: In function 'setup_cr_pinning':
>> arch/x86/kernel/cpu/common.c:421:2: error: implicit declaration of function 'kvm_setup_paravirt_cr_pinning'; did you mean 'setup_cr_pinning'? [-Werror=implicit-function-declaration]
kvm_setup_paravirt_cr_pinning(X86_CR0_WP, cr4_pinned_bits);
^~~~~~~~~~~~~~~~~~~~~~~~~~~~~
setup_cr_pinning
cc1: some warnings being treated as errors
vim +421 arch/x86/kernel/cpu/common.c
407
408 /*
409 * Once CPU feature detection is finished (and boot params have been
410 * parsed), record any of the sensitive CR bits that are set, and
411 * enable CR pinning.
412 */
413 static void __init setup_cr_pinning(void)
414 {
415 unsigned long mask;
416
417 mask = (X86_CR4_SMEP | X86_CR4_SMAP | X86_CR4_UMIP);
418 cr4_pinned_bits = this_cpu_read(cpu_tlbstate.cr4) & mask;
419 static_key_enable(&cr_pinning.key);
420
> 421 kvm_setup_paravirt_cr_pinning(X86_CR0_WP, cr4_pinned_bits);
422 }
423
---
0-DAY CI Kernel Test Service, Intel Corporation
https://lists.01.org/hyperkitty/list/kbuild-all(a)lists.01.org
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next prev parent reply other threads:[~2020-02-20 9:10 UTC|newest]
Thread overview: 10+ messages / expand[flat|nested] mbox.gz Atom feed top
2020-02-18 21:58 [RFC v2 0/4] Paravirtualized Control Register pinning John Andersen
2020-02-18 21:58 ` [RFC v2 1/4] X86: Update mmu_cr4_features during identification John Andersen
2020-02-18 21:59 ` [RFC v2 2/4] KVM: X86: Add CR pin MSRs John Andersen
2020-03-03 21:35 ` Sean Christopherson
2020-02-18 21:59 ` [RFC v2 3/4] selftests: kvm: add test for CR pinning with SMM John Andersen
2020-02-24 15:50 ` Andrew Jones
2020-02-27 1:04 ` Andersen, John S
2020-02-18 21:59 ` [RFC v2 4/4] X86: Use KVM CR pin MSRs John Andersen
2020-02-20 9:10 ` kbuild test robot [this message]
2020-02-20 20:36 ` kbuild test robot
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