Hi Wanpeng, Thank you for the patch! Yet something to improve: [auto build test ERROR on kvm/linux-next] [also build test ERROR on v4.18-rc3 next-20180702] [if your patch is applied to the wrong git tree, please drop us a note to help improve the system] url: https://github.com/0day-ci/linux/commits/Wanpeng-Li/KVM-x86-Add-PV-IPIs-support/20180702-193633 base: https://git.kernel.org/pub/scm/virt/kvm/kvm.git linux-next config: x86_64-randconfig-x003-201826 (attached as .config) compiler: gcc-7 (Debian 7.3.0-16) 7.3.0 reproduce: # save the attached .config to linux build tree make ARCH=x86_64 Note: the linux-review/Wanpeng-Li/KVM-x86-Add-PV-IPIs-support/20180702-193633 HEAD 2601a46efa23f54a8f175cd07dae28c88e36a40d builds fine. It only hurts bisectibility. All errors (new ones prefixed by >>): arch/x86/kernel/kvm.c: In function 'kvm_apic_init': >> arch/x86/kernel/kvm.c:714:27: error: 'KVM_FEATURE_PV_SEND_IPI' undeclared (first use in this function); did you mean 'KVM_FEATURE_PV_EOI'? if (kvm_para_has_feature(KVM_FEATURE_PV_SEND_IPI) && ^~~~~~~~~~~~~~~~~~~~~~~ KVM_FEATURE_PV_EOI arch/x86/kernel/kvm.c:714:27: note: each undeclared identifier is reported only once for each function it appears in vim +714 arch/x86/kernel/kvm.c 710 711 static void __init kvm_apic_init(void) 712 { 713 #if defined(CONFIG_SMP) && defined(CONFIG_X86_64) > 714 if (kvm_para_has_feature(KVM_FEATURE_PV_SEND_IPI) && 715 num_possible_cpus() <= 2 * BITS_PER_LONG) 716 kvm_setup_pv_ipi(); 717 #endif 718 } 719 --- 0-DAY kernel test infrastructure Open Source Technology Center https://lists.01.org/pipermail/kbuild-all Intel Corporation
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