From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org X-Spam-Level: X-Spam-Status: No, score=-6.8 required=3.0 tests=BAYES_00,DKIM_SIGNED, DKIM_VALID,DKIM_VALID_AU,HEADER_FROM_DIFFERENT_DOMAINS,MAILING_LIST_MULTI, SIGNED_OFF_BY,SPF_HELO_NONE,SPF_PASS,URIBL_BLOCKED autolearn=no autolearn_force=no version=3.4.0 Received: from mail.kernel.org (mail.kernel.org [198.145.29.99]) by smtp.lore.kernel.org (Postfix) with ESMTP id 9FCCFC433E1 for ; Fri, 21 Aug 2020 02:20:23 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id 750912075E for ; Fri, 21 Aug 2020 02:20:23 +0000 (UTC) Authentication-Results: mail.kernel.org; dkim=pass (2048-bit key) header.d=linutronix.de header.i=@linutronix.de header.b="z5Zw6T7F"; dkim=permerror (0-bit key) header.d=linutronix.de header.i=@linutronix.de header.b="2vc2HTal" Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1728418AbgHUCUQ (ORCPT ); Thu, 20 Aug 2020 22:20:16 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:43458 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1727076AbgHUCQo (ORCPT ); Thu, 20 Aug 2020 22:16:44 -0400 Received: from galois.linutronix.de (Galois.linutronix.de [IPv6:2a0a:51c0:0:12e:550::1]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 76B10C061385; Thu, 20 Aug 2020 19:16:43 -0700 (PDT) Message-Id: <20200821002945.595723096@linutronix.de> DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=linutronix.de; s=2020; t=1597976202; h=from:from:reply-to:subject:subject:date:date:message-id:message-id: to:to:cc:cc:mime-version:mime-version:content-type:content-type: content-transfer-encoding:content-transfer-encoding: references:references; bh=aZajyY2bgQUgD6w0Oy2gZDy5W+Nr6UhttbpOe6imkbA=; b=z5Zw6T7F6WO9tHaOZCWjbBUxhqTz80VOEZ80VDKul4uGQaropOgQb6BcKPfj/9Wlvj5p+r OP36RCtabudX4KoYj9f608pdj9pLU9TRu1Q3jtMOtO2cYjb9lxPGXC6A8Lyaz2v72ig0o8 84sWINgu7TugbF6XX7w85aAfwgzIeXnvMNqvoAI/8Eq1C3pkfYf6UrIPEz0UbebgaIlkom eLiT4D2PzUU0fqRqXin5XBuzprxYDvLYrh1l2/kyVxDcs0G9GpxWgzhl5sC/gcvvvzfgGq tBUculjkto8xPUOMY648x8PhGxobEoviHKsPdc7al8ctqVpYclUAG75TwMSj7Q== DKIM-Signature: v=1; a=ed25519-sha256; c=relaxed/relaxed; d=linutronix.de; s=2020e; t=1597976202; h=from:from:reply-to:subject:subject:date:date:message-id:message-id: to:to:cc:cc:mime-version:mime-version:content-type:content-type: content-transfer-encoding:content-transfer-encoding: references:references; bh=aZajyY2bgQUgD6w0Oy2gZDy5W+Nr6UhttbpOe6imkbA=; b=2vc2HTalu8tDHI7RloIWqmjANph7va74Zeuk1d1Pk4AqNK9Vj801oDy0Rg8AK4F2IiwyPc a3lZ5AHBdtqfsYBg== Date: Fri, 21 Aug 2020 02:24:27 +0200 From: Thomas Gleixner To: LKML Cc: x86@kernel.org, Joerg Roedel , iommu@lists.linux-foundation.org, linux-hyperv@vger.kernel.org, Haiyang Zhang , Jon Derrick , Lu Baolu , Wei Liu , "K. Y. Srinivasan" , Stephen Hemminger , Steve Wahl , Dimitri Sivanich , Russ Anderson , linux-pci@vger.kernel.org, Bjorn Helgaas , Lorenzo Pieralisi , Jonathan Derrick , Konrad Rzeszutek Wilk , xen-devel@lists.xenproject.org, Juergen Gross , Boris Ostrovsky , Stefano Stabellini , Marc Zyngier , Greg Kroah-Hartman , "Rafael J. Wysocki" , Megha Dey , Jason Gunthorpe , Dave Jiang , Alex Williamson , Jacob Pan , Baolu Lu , Kevin Tian , Dan Williams Subject: [patch RFC 03/38] x86/irq: Rename X86_IRQ_ALLOC_TYPE_MSI* to reflect PCI dependency References: <20200821002424.119492231@linutronix.de> MIME-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Content-Disposition: inline; filename="x86-irq--Rename-X86_IRQ_ALLOC_TYPE_MSI" Content-transfer-encoding: 8-bit Sender: linux-kernel-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org No functional change. Signed-off-by: Thomas Gleixner Cc: Joerg Roedel Cc: iommu@lists.linux-foundation.org --- arch/x86/include/asm/hw_irq.h | 4 ++-- arch/x86/kernel/apic/msi.c | 6 +++--- drivers/iommu/amd/iommu.c | 24 ++++++++++++------------ drivers/iommu/intel/irq_remapping.c | 18 +++++++++--------- 4 files changed, 26 insertions(+), 26 deletions(-) --- a/arch/x86/include/asm/hw_irq.h +++ b/arch/x86/include/asm/hw_irq.h @@ -36,8 +36,8 @@ struct msi_desc; enum irq_alloc_type { X86_IRQ_ALLOC_TYPE_IOAPIC = 1, X86_IRQ_ALLOC_TYPE_HPET, - X86_IRQ_ALLOC_TYPE_MSI, - X86_IRQ_ALLOC_TYPE_MSIX, + X86_IRQ_ALLOC_TYPE_PCI_MSI, + X86_IRQ_ALLOC_TYPE_PCI_MSIX, X86_IRQ_ALLOC_TYPE_DMAR, X86_IRQ_ALLOC_TYPE_UV, }; --- a/arch/x86/kernel/apic/msi.c +++ b/arch/x86/kernel/apic/msi.c @@ -188,7 +188,7 @@ int native_setup_msi_irqs(struct pci_dev struct irq_alloc_info info; init_irq_alloc_info(&info, NULL); - info.type = X86_IRQ_ALLOC_TYPE_MSI; + info.type = X86_IRQ_ALLOC_TYPE_PCI_MSI; info.msi_dev = dev; domain = irq_remapping_get_irq_domain(&info); @@ -220,9 +220,9 @@ int pci_msi_prepare(struct irq_domain *d init_irq_alloc_info(arg, NULL); arg->msi_dev = pdev; if (desc->msi_attrib.is_msix) { - arg->type = X86_IRQ_ALLOC_TYPE_MSIX; + arg->type = X86_IRQ_ALLOC_TYPE_PCI_MSIX; } else { - arg->type = X86_IRQ_ALLOC_TYPE_MSI; + arg->type = X86_IRQ_ALLOC_TYPE_PCI_MSI; arg->flags |= X86_IRQ_ALLOC_CONTIGUOUS_VECTORS; } --- a/drivers/iommu/amd/iommu.c +++ b/drivers/iommu/amd/iommu.c @@ -3514,8 +3514,8 @@ static int get_devid(struct irq_alloc_in case X86_IRQ_ALLOC_TYPE_HPET: devid = get_hpet_devid(info->hpet_id); break; - case X86_IRQ_ALLOC_TYPE_MSI: - case X86_IRQ_ALLOC_TYPE_MSIX: + case X86_IRQ_ALLOC_TYPE_PCI_MSI: + case X86_IRQ_ALLOC_TYPE_PCI_MSIX: devid = get_device_id(&info->msi_dev->dev); break; default: @@ -3553,8 +3553,8 @@ static struct irq_domain *get_irq_domain return NULL; switch (info->type) { - case X86_IRQ_ALLOC_TYPE_MSI: - case X86_IRQ_ALLOC_TYPE_MSIX: + case X86_IRQ_ALLOC_TYPE_PCI_MSI: + case X86_IRQ_ALLOC_TYPE_PCI_MSIX: devid = get_device_id(&info->msi_dev->dev); if (devid < 0) return NULL; @@ -3615,8 +3615,8 @@ static void irq_remapping_prepare_irte(s break; case X86_IRQ_ALLOC_TYPE_HPET: - case X86_IRQ_ALLOC_TYPE_MSI: - case X86_IRQ_ALLOC_TYPE_MSIX: + case X86_IRQ_ALLOC_TYPE_PCI_MSI: + case X86_IRQ_ALLOC_TYPE_PCI_MSIX: msg->address_hi = MSI_ADDR_BASE_HI; msg->address_lo = MSI_ADDR_BASE_LO; msg->data = irte_info->index; @@ -3660,15 +3660,15 @@ static int irq_remapping_alloc(struct ir if (!info) return -EINVAL; - if (nr_irqs > 1 && info->type != X86_IRQ_ALLOC_TYPE_MSI && - info->type != X86_IRQ_ALLOC_TYPE_MSIX) + if (nr_irqs > 1 && info->type != X86_IRQ_ALLOC_TYPE_PCI_MSI && + info->type != X86_IRQ_ALLOC_TYPE_PCI_MSIX) return -EINVAL; /* * With IRQ remapping enabled, don't need contiguous CPU vectors * to support multiple MSI interrupts. */ - if (info->type == X86_IRQ_ALLOC_TYPE_MSI) + if (info->type == X86_IRQ_ALLOC_TYPE_PCI_MSI) info->flags &= ~X86_IRQ_ALLOC_CONTIGUOUS_VECTORS; devid = get_devid(info); @@ -3700,9 +3700,9 @@ static int irq_remapping_alloc(struct ir } else { index = -ENOMEM; } - } else if (info->type == X86_IRQ_ALLOC_TYPE_MSI || - info->type == X86_IRQ_ALLOC_TYPE_MSIX) { - bool align = (info->type == X86_IRQ_ALLOC_TYPE_MSI); + } else if (info->type == X86_IRQ_ALLOC_TYPE_PCI_MSI || + info->type == X86_IRQ_ALLOC_TYPE_PCI_MSIX) { + bool align = (info->type == X86_IRQ_ALLOC_TYPE_PCI_MSI); index = alloc_irq_index(devid, nr_irqs, align, info->msi_dev); } else { --- a/drivers/iommu/intel/irq_remapping.c +++ b/drivers/iommu/intel/irq_remapping.c @@ -1115,8 +1115,8 @@ static struct irq_domain *intel_get_ir_i case X86_IRQ_ALLOC_TYPE_HPET: iommu = map_hpet_to_ir(info->hpet_id); break; - case X86_IRQ_ALLOC_TYPE_MSI: - case X86_IRQ_ALLOC_TYPE_MSIX: + case X86_IRQ_ALLOC_TYPE_PCI_MSI: + case X86_IRQ_ALLOC_TYPE_PCI_MSIX: iommu = map_dev_to_ir(info->msi_dev); break; default: @@ -1135,8 +1135,8 @@ static struct irq_domain *intel_get_irq_ return NULL; switch (info->type) { - case X86_IRQ_ALLOC_TYPE_MSI: - case X86_IRQ_ALLOC_TYPE_MSIX: + case X86_IRQ_ALLOC_TYPE_PCI_MSI: + case X86_IRQ_ALLOC_TYPE_PCI_MSIX: iommu = map_dev_to_ir(info->msi_dev); if (iommu) return iommu->ir_msi_domain; @@ -1306,8 +1306,8 @@ static void intel_irq_remapping_prepare_ break; case X86_IRQ_ALLOC_TYPE_HPET: - case X86_IRQ_ALLOC_TYPE_MSI: - case X86_IRQ_ALLOC_TYPE_MSIX: + case X86_IRQ_ALLOC_TYPE_PCI_MSI: + case X86_IRQ_ALLOC_TYPE_PCI_MSIX: if (info->type == X86_IRQ_ALLOC_TYPE_HPET) set_hpet_sid(irte, info->hpet_id); else @@ -1362,15 +1362,15 @@ static int intel_irq_remapping_alloc(str if (!info || !iommu) return -EINVAL; - if (nr_irqs > 1 && info->type != X86_IRQ_ALLOC_TYPE_MSI && - info->type != X86_IRQ_ALLOC_TYPE_MSIX) + if (nr_irqs > 1 && info->type != X86_IRQ_ALLOC_TYPE_PCI_MSI && + info->type != X86_IRQ_ALLOC_TYPE_PCI_MSIX) return -EINVAL; /* * With IRQ remapping enabled, don't need contiguous CPU vectors * to support multiple MSI interrupts. */ - if (info->type == X86_IRQ_ALLOC_TYPE_MSI) + if (info->type == X86_IRQ_ALLOC_TYPE_PCI_MSI) info->flags &= ~X86_IRQ_ALLOC_CONTIGUOUS_VECTORS; ret = irq_domain_alloc_irqs_parent(domain, virq, nr_irqs, arg); 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bh=aZajyY2bgQUgD6w0Oy2gZDy5W+Nr6UhttbpOe6imkbA=; b=z5Zw6T7F6WO9tHaOZCWjbBUxhqTz80VOEZ80VDKul4uGQaropOgQb6BcKPfj/9Wlvj5p+r OP36RCtabudX4KoYj9f608pdj9pLU9TRu1Q3jtMOtO2cYjb9lxPGXC6A8Lyaz2v72ig0o8 84sWINgu7TugbF6XX7w85aAfwgzIeXnvMNqvoAI/8Eq1C3pkfYf6UrIPEz0UbebgaIlkom eLiT4D2PzUU0fqRqXin5XBuzprxYDvLYrh1l2/kyVxDcs0G9GpxWgzhl5sC/gcvvvzfgGq tBUculjkto8xPUOMY648x8PhGxobEoviHKsPdc7al8ctqVpYclUAG75TwMSj7Q== DKIM-Signature: v=1; a=ed25519-sha256; c=relaxed/relaxed; d=linutronix.de; s=2020e; t=1597976202; h=from:from:reply-to:subject:subject:date:date:message-id:message-id: to:to:cc:cc:mime-version:mime-version:content-type:content-type: content-transfer-encoding:content-transfer-encoding: references:references; bh=aZajyY2bgQUgD6w0Oy2gZDy5W+Nr6UhttbpOe6imkbA=; b=2vc2HTalu8tDHI7RloIWqmjANph7va74Zeuk1d1Pk4AqNK9Vj801oDy0Rg8AK4F2IiwyPc a3lZ5AHBdtqfsYBg== Date: Fri, 21 Aug 2020 02:24:27 +0200 From: Thomas Gleixner To: LKML Subject: [patch RFC 03/38] x86/irq: Rename X86_IRQ_ALLOC_TYPE_MSI* to reflect PCI dependency References: <20200821002424.119492231@linutronix.de> MIME-Version: 1.0 Content-Disposition: inline; filename="x86-irq--Rename-X86_IRQ_ALLOC_TYPE_MSI" Cc: Dimitri Sivanich , linux-hyperv@vger.kernel.org, Steve Wahl , linux-pci@vger.kernel.org, "K. Y. Srinivasan" , Dan Williams , Wei Liu , Stephen Hemminger , Baolu Lu , Marc Zyngier , x86@kernel.org, Jason Gunthorpe , Megha Dey , xen-devel@lists.xenproject.org, Kevin Tian , Konrad Rzeszutek Wilk , Haiyang Zhang , Alex Williamson , Stefano Stabellini , Bjorn Helgaas , Dave Jiang , Boris Ostrovsky , Jonathan Derrick , Juergen Gross , Russ Anderson , Greg Kroah-Hartman , iommu@lists.linux-foundation.org, Jacob Pan , "Rafael J. Wysocki" X-BeenThere: iommu@lists.linux-foundation.org X-Mailman-Version: 2.1.15 Precedence: list List-Id: Development issues for Linux IOMMU support List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit Errors-To: iommu-bounces@lists.linux-foundation.org Sender: "iommu" No functional change. Signed-off-by: Thomas Gleixner Cc: Joerg Roedel Cc: iommu@lists.linux-foundation.org --- arch/x86/include/asm/hw_irq.h | 4 ++-- arch/x86/kernel/apic/msi.c | 6 +++--- drivers/iommu/amd/iommu.c | 24 ++++++++++++------------ drivers/iommu/intel/irq_remapping.c | 18 +++++++++--------- 4 files changed, 26 insertions(+), 26 deletions(-) --- a/arch/x86/include/asm/hw_irq.h +++ b/arch/x86/include/asm/hw_irq.h @@ -36,8 +36,8 @@ struct msi_desc; enum irq_alloc_type { X86_IRQ_ALLOC_TYPE_IOAPIC = 1, X86_IRQ_ALLOC_TYPE_HPET, - X86_IRQ_ALLOC_TYPE_MSI, - X86_IRQ_ALLOC_TYPE_MSIX, + X86_IRQ_ALLOC_TYPE_PCI_MSI, + X86_IRQ_ALLOC_TYPE_PCI_MSIX, X86_IRQ_ALLOC_TYPE_DMAR, X86_IRQ_ALLOC_TYPE_UV, }; --- a/arch/x86/kernel/apic/msi.c +++ b/arch/x86/kernel/apic/msi.c @@ -188,7 +188,7 @@ int native_setup_msi_irqs(struct pci_dev struct irq_alloc_info info; init_irq_alloc_info(&info, NULL); - info.type = X86_IRQ_ALLOC_TYPE_MSI; + info.type = X86_IRQ_ALLOC_TYPE_PCI_MSI; info.msi_dev = dev; domain = irq_remapping_get_irq_domain(&info); @@ -220,9 +220,9 @@ int pci_msi_prepare(struct irq_domain *d init_irq_alloc_info(arg, NULL); arg->msi_dev = pdev; if (desc->msi_attrib.is_msix) { - arg->type = X86_IRQ_ALLOC_TYPE_MSIX; + arg->type = X86_IRQ_ALLOC_TYPE_PCI_MSIX; } else { - arg->type = X86_IRQ_ALLOC_TYPE_MSI; + arg->type = X86_IRQ_ALLOC_TYPE_PCI_MSI; arg->flags |= X86_IRQ_ALLOC_CONTIGUOUS_VECTORS; } --- a/drivers/iommu/amd/iommu.c +++ b/drivers/iommu/amd/iommu.c @@ -3514,8 +3514,8 @@ static int get_devid(struct irq_alloc_in case X86_IRQ_ALLOC_TYPE_HPET: devid = get_hpet_devid(info->hpet_id); break; - case X86_IRQ_ALLOC_TYPE_MSI: - case X86_IRQ_ALLOC_TYPE_MSIX: + case X86_IRQ_ALLOC_TYPE_PCI_MSI: + case X86_IRQ_ALLOC_TYPE_PCI_MSIX: devid = get_device_id(&info->msi_dev->dev); break; default: @@ -3553,8 +3553,8 @@ static struct irq_domain *get_irq_domain return NULL; switch (info->type) { - case X86_IRQ_ALLOC_TYPE_MSI: - case X86_IRQ_ALLOC_TYPE_MSIX: + case X86_IRQ_ALLOC_TYPE_PCI_MSI: + case X86_IRQ_ALLOC_TYPE_PCI_MSIX: devid = get_device_id(&info->msi_dev->dev); if (devid < 0) return NULL; @@ -3615,8 +3615,8 @@ static void irq_remapping_prepare_irte(s break; case X86_IRQ_ALLOC_TYPE_HPET: - case X86_IRQ_ALLOC_TYPE_MSI: - case X86_IRQ_ALLOC_TYPE_MSIX: + case X86_IRQ_ALLOC_TYPE_PCI_MSI: + case X86_IRQ_ALLOC_TYPE_PCI_MSIX: msg->address_hi = MSI_ADDR_BASE_HI; msg->address_lo = MSI_ADDR_BASE_LO; msg->data = irte_info->index; @@ -3660,15 +3660,15 @@ static int irq_remapping_alloc(struct ir if (!info) return -EINVAL; - if (nr_irqs > 1 && info->type != X86_IRQ_ALLOC_TYPE_MSI && - info->type != X86_IRQ_ALLOC_TYPE_MSIX) + if (nr_irqs > 1 && info->type != X86_IRQ_ALLOC_TYPE_PCI_MSI && + info->type != X86_IRQ_ALLOC_TYPE_PCI_MSIX) return -EINVAL; /* * With IRQ remapping enabled, don't need contiguous CPU vectors * to support multiple MSI interrupts. */ - if (info->type == X86_IRQ_ALLOC_TYPE_MSI) + if (info->type == X86_IRQ_ALLOC_TYPE_PCI_MSI) info->flags &= ~X86_IRQ_ALLOC_CONTIGUOUS_VECTORS; devid = get_devid(info); @@ -3700,9 +3700,9 @@ static int irq_remapping_alloc(struct ir } else { index = -ENOMEM; } - } else if (info->type == X86_IRQ_ALLOC_TYPE_MSI || - info->type == X86_IRQ_ALLOC_TYPE_MSIX) { - bool align = (info->type == X86_IRQ_ALLOC_TYPE_MSI); + } else if (info->type == X86_IRQ_ALLOC_TYPE_PCI_MSI || + info->type == X86_IRQ_ALLOC_TYPE_PCI_MSIX) { + bool align = (info->type == X86_IRQ_ALLOC_TYPE_PCI_MSI); index = alloc_irq_index(devid, nr_irqs, align, info->msi_dev); } else { --- a/drivers/iommu/intel/irq_remapping.c +++ b/drivers/iommu/intel/irq_remapping.c @@ -1115,8 +1115,8 @@ static struct irq_domain *intel_get_ir_i case X86_IRQ_ALLOC_TYPE_HPET: iommu = map_hpet_to_ir(info->hpet_id); break; - case X86_IRQ_ALLOC_TYPE_MSI: - case X86_IRQ_ALLOC_TYPE_MSIX: + case X86_IRQ_ALLOC_TYPE_PCI_MSI: + case X86_IRQ_ALLOC_TYPE_PCI_MSIX: iommu = map_dev_to_ir(info->msi_dev); break; default: @@ -1135,8 +1135,8 @@ static struct irq_domain *intel_get_irq_ return NULL; switch (info->type) { - case X86_IRQ_ALLOC_TYPE_MSI: - case X86_IRQ_ALLOC_TYPE_MSIX: + case X86_IRQ_ALLOC_TYPE_PCI_MSI: + case X86_IRQ_ALLOC_TYPE_PCI_MSIX: iommu = map_dev_to_ir(info->msi_dev); if (iommu) return iommu->ir_msi_domain; @@ -1306,8 +1306,8 @@ static void intel_irq_remapping_prepare_ break; case X86_IRQ_ALLOC_TYPE_HPET: - case X86_IRQ_ALLOC_TYPE_MSI: - case X86_IRQ_ALLOC_TYPE_MSIX: + case X86_IRQ_ALLOC_TYPE_PCI_MSI: + case X86_IRQ_ALLOC_TYPE_PCI_MSIX: if (info->type == X86_IRQ_ALLOC_TYPE_HPET) set_hpet_sid(irte, info->hpet_id); else @@ -1362,15 +1362,15 @@ static int intel_irq_remapping_alloc(str if (!info || !iommu) return -EINVAL; - if (nr_irqs > 1 && info->type != X86_IRQ_ALLOC_TYPE_MSI && - info->type != X86_IRQ_ALLOC_TYPE_MSIX) + if (nr_irqs > 1 && info->type != X86_IRQ_ALLOC_TYPE_PCI_MSI && + info->type != X86_IRQ_ALLOC_TYPE_PCI_MSIX) return -EINVAL; /* * With IRQ remapping enabled, don't need contiguous CPU vectors * to support multiple MSI interrupts. */ - if (info->type == X86_IRQ_ALLOC_TYPE_MSI) + if (info->type == X86_IRQ_ALLOC_TYPE_PCI_MSI) info->flags &= ~X86_IRQ_ALLOC_CONTIGUOUS_VECTORS; ret = irq_domain_alloc_irqs_parent(domain, virq, nr_irqs, arg); 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