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From: Thomas Gleixner <tglx@linutronix.de>
To: LKML <linux-kernel@vger.kernel.org>
Subject: [patch 02/39] iommu/vt-d: Remove bogus check for multi MSI-X
References: <20221111120501.026511281@linutronix.de>
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Date: Fri, 11 Nov 2022 14:54:17 +0100 (CET)
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Cc: linux-pci@vger.kernel.org, Will Deacon <will@kernel.org>, Lorenzo Pieralisi <lorenzo.pieralisi@arm.com>, Dave Jiang <dave.jiang@intel.com>, Ashok Raj <ashok.raj@intel.com>, Joerg Roedel <joro@8bytes.org>, x86@kernel.org, Jason Gunthorpe <jgg@mellanox.com>, Allen Hubbe <allenbh@gmail.com>, Kevin Tian <kevin.tian@intel.com>, "Ahmed S. Darwish" <darwi@linutronix.de>, Jon Mason <jdmason@kudzu.us>, linuxppc-dev@lists.ozlabs.org, Alex Williamson <alex.williamson@redhat.com>, Bjorn Helgaas <bhelgaas@google.com>, Dan Williams <dan.j.williams@intel.com>, Reinette Chatre <reinette.chatre@intel.com>, Greg Kroah-Hartman <gregkh@linuxfoundation.org>, Marc Zyngier <maz@kernel.org>, Logan Gunthorpe <logang@deltatee.com>
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Sender: "Linuxppc-dev" <linuxppc-dev-bounces+linuxppc-dev=archiver.kernel.org@lists.ozlabs.org>

PCI/Multi-MSI is MSI specific and not supported for MSI-X.

Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
---
 drivers/iommu/intel/irq_remapping.c |    3 +--
 1 file changed, 1 insertion(+), 2 deletions(-)

--- a/drivers/iommu/intel/irq_remapping.c
+++ b/drivers/iommu/intel/irq_remapping.c
@@ -1334,8 +1334,7 @@ static int intel_irq_remapping_alloc(str
 
 	if (!info || !iommu)
 		return -EINVAL;
-	if (nr_irqs > 1 && info->type != X86_IRQ_ALLOC_TYPE_PCI_MSI &&
-	    info->type != X86_IRQ_ALLOC_TYPE_PCI_MSIX)
+	if (nr_irqs > 1 && info->type != X86_IRQ_ALLOC_TYPE_PCI_MSI)
 		return -EINVAL;
 
 	/*