linux-kernel - Re: [PATCH v2 5/5] KVM: VMX: Handle preemption timer fastpath

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Message-ID: <202004261512.pzMynV16%lkp@intel.com>
Date:   Sun, 26 Apr 2020 15:38:34 +0800
From:   kbuild test robot <lkp@...el.com>
To:     Wanpeng Li <kernellwp@...il.com>, linux-kernel@...r.kernel.org,
        kvm@...r.kernel.org
Cc:     kbuild-all@...ts.01.org, Paolo Bonzini <pbonzini@...hat.com>,
        Sean Christopherson <sean.j.christopherson@...el.com>,
        Vitaly Kuznetsov <vkuznets@...hat.com>,
        Wanpeng Li <wanpengli@...cent.com>,
        Jim Mattson <jmattson@...gle.com>,
        Joerg Roedel <joro@...tes.org>,
        Haiwei Li <lihaiwei@...cent.com>
Subject: Re: [PATCH v2 5/5] KVM: VMX: Handle preemption timer fastpath

Hi Wanpeng,

I love your patch! Yet something to improve:

[auto build test ERROR on kvm/linux-next]
[also build test ERROR on next-20200424]
[cannot apply to tip/auto-latest linus/master linux/master v5.7-rc2]
[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/Wanpeng-Li/KVM-VMX-Tscdeadline-timer-emulation-fastpath/20200426-132300
base:   https://git.kernel.org/pub/scm/virt/kvm/kvm.git linux-next
config: i386-randconfig-d001-20200426 (attached as .config)
compiler: gcc-7 (Ubuntu 7.5.0-6ubuntu2) 7.5.0
reproduce:
        # save the attached .config to linux build tree
        make ARCH=i386 

If you fix the issue, kindly add following tag as appropriate
Reported-by: kbuild test robot <lkp@...el.com>

All errors (new ones prefixed by >>):

>> arch/x86/kvm/vmx/vmx.c:6572:13: error: 'vmx_cancel_hv_timer' declared 'static' but never defined [-Werror=unused-function]
    static void vmx_cancel_hv_timer(struct kvm_vcpu *vcpu);
                ^~~~~~~~~~~~~~~~~~~
   cc1: all warnings being treated as errors

vim +6572 arch/x86/kvm/vmx/vmx.c

  6571	
> 6572	static void vmx_cancel_hv_timer(struct kvm_vcpu *vcpu);
  6573	

---
0-DAY CI Kernel Test Service, Intel Corporation
https://lists.01.org/hyperkitty/list/kbuild-all@lists.01.org

Download attachment ".config.gz" of type "application/gzip" (36316 bytes)