Hi, FYI, the error/warning still remains.
tree: https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git master head: 8714f8f5fe396ca513ccaaac2304497439c181fb commit: 340d3bc3664e5d3fb922fe6e3ae2d901d4900d88 svm: Add interrupt injection via AVIC date: 3 weeks ago config: i386-randconfig-x0-06121009 (attached as .config) compiler: gcc-6 (Debian 6.1.1-1) 6.1.1 20160430 reproduce: git checkout 340d3bc3664e5d3fb922fe6e3ae2d901d4900d88 # save the attached .config to linux build tree make ARCH=i386 All errors (new ones prefixed by >>): arch/x86/kvm/svm.c: In function 'svm_deliver_avic_intr': >> arch/x86/kvm/svm.c:3866:10: error: implicit declaration of function >> '__default_cpu_present_to_apicid' [-Werror=implicit-function-declaration] __default_cpu_present_to_apicid(vcpu->cpu)); ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ At top level: arch/x86/kvm/svm.c:52:32: warning: 'svm_cpu_id' defined but not used [-Wunused-const-variable=] static const struct x86_cpu_id svm_cpu_id[] = { ^~~~~~~~~~ cc1: some warnings being treated as errors vim +/__default_cpu_present_to_apicid +3866 arch/x86/kvm/svm.c 3860 { 3861 kvm_lapic_set_irr(vec, vcpu->arch.apic); 3862 smp_mb__after_atomic(); 3863 3864 if (avic_vcpu_is_running(vcpu)) 3865 wrmsrl(SVM_AVIC_DOORBELL, > 3866 __default_cpu_present_to_apicid(vcpu->cpu)); 3867 else 3868 kvm_vcpu_wake_up(vcpu); 3869 } --- 0-DAY kernel test infrastructure Open Source Technology Center https://lists.01.org/pipermail/kbuild-all Intel Corporation
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