From patchwork Wed Aug 31 16:25:17 2016 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: David Kiarie X-Patchwork-Id: 664598 Return-Path: X-Original-To: incoming@patchwork.ozlabs.org Delivered-To: patchwork-incoming@bilbo.ozlabs.org Received: from lists.gnu.org (lists.gnu.org [IPv6:2001:4830:134:3::11]) (using TLSv1 with cipher AES256-SHA (256/256 bits)) (No client certificate requested) by ozlabs.org (Postfix) with ESMTPS id 3sPWFC3N9mz9t0P for ; Thu, 1 Sep 2016 02:34:39 +1000 (AEST) Authentication-Results: ozlabs.org; dkim=fail reason="signature verification failed" (2048-bit key; unprotected) header.d=gmail.com header.i=@gmail.com header.b=EYztJgJM; dkim-atps=neutral Received: from localhost ([::1]:55009 helo=lists.gnu.org) by lists.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1bf8TF-0006EK-Fd for incoming@patchwork.ozlabs.org; Wed, 31 Aug 2016 12:34:37 -0400 Received: from eggs.gnu.org ([2001:4830:134:3::10]:50355) by lists.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1bf8Kx-0006h2-UC for qemu-devel@nongnu.org; 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/* Pseudo address space under root PCI bus. */ pcms->ioapic_as = vtd_host_dma_iommu(bus, s, Q35_PSEUDO_DEVFN_IOAPIC); - - /* Currently Intel IOMMU IR only support "kernel-irqchip={off|split}" */ - if (x86_iommu->intr_supported && kvm_irqchip_in_kernel() && - !kvm_irqchip_is_split()) { - error_report("Intel Interrupt Remapping cannot work with " - "kernel-irqchip=on, please use 'split|off'."); - exit(1); - } } static void vtd_class_init(ObjectClass *klass, void *data) diff --git a/hw/i386/x86-iommu.c b/hw/i386/x86-iommu.c index 2278af7..66510f7 100644 --- a/hw/i386/x86-iommu.c +++ b/hw/i386/x86-iommu.c @@ -21,6 +21,7 @@ #include "hw/sysbus.h" #include "hw/boards.h" #include "hw/i386/x86-iommu.h" +#include "sysemu/kvm.h" #include "qemu/error-report.h" #include "trace.h" @@ -84,6 +85,13 @@ static void x86_iommu_realize(DeviceState *dev, Error **errp) if (x86_class->realize) { x86_class->realize(dev, errp); } + /* Currently IOMMU IR only support "kernel-irqchip={off|split}" */ + if (x86_iommu->intr_supported && kvm_irqchip_in_kernel() && + !kvm_irqchip_is_split()) { + error_report("Interrupt Remapping cannot work with " + "kernel-irqchip=on, please use 'split|off'."); + exit(1); + } x86_iommu_set_default(X86_IOMMU_DEVICE(dev)); }