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Tiejun Chen authored
In most cases calling hwapic_isr_update(), we always check if kvm_apic_vid_enabled() == 1, but actually, kvm_apic_vid_enabled() -> kvm_x86_ops->vm_has_apicv() -> vmx_vm_has_apicv() or '0' in svm case -> return enable_apicv && irqchip_in_kernel(kvm) So its a little cost to recall vmx_vm_has_apicv() inside hwapic_isr_update(), here just NULL out hwapic_isr_update() in case of !enable_apicv inside hardware_setup() then make all related stuffs follow this. Note we don't check this under that condition of irqchip_in_kernel() since we should make sure definitely any caller don't work without in-kernel irqchip. Signed-off-by:
Tiejun Chen <tiejun.chen@intel.com> Signed-off-by:
Paolo Bonzini <pbonzini@redhat.com>
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