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	{			{

	if (pci_msix_enabled(vs->vs_pi))			if (pci_msix_enabled(vs->vs_pi))
	pci_generate_msix(vs->vs_pi, msix_idx);			pci_generate_msix(vs->vs_pi, msix_idx);
	else {			else {
	VS_LOCK(vs);			VS_LOCK(vs);
	vs->vs_isr \|= isr;			vs->vs_isr \|= isr;
	pci_generate_msi(vs->vs_pi, 0);			pci_generate_msi(vs->vs_pi, 0);
				#ifdef __amd64__
	pci_lintr_assert(vs->vs_pi);			pci_lintr_assert(vs->vs_pi);
				#endif
	VS_UNLOCK(vs);			VS_UNLOCK(vs);
	}			}
	}			}

	/*			/*
	* Deliver an interrupt to the guest on the given virtual queue (if			* Deliver an interrupt to the guest on the given virtual queue (if
	* possible, or a generic MSI interrupt if not using MSI-X).			* possible, or a generic MSI interrupt if not using MSI-X).
	*/			*/
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