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iommu/amd: Enforce alignment for MSI IRQs
Make use of the new alignment capability of
alloc_irq_index() to enforce IRQ index alignment
for MSI.
Reported-by: Thomas Gleixner <tglx@linutronix.de>
Fixes: 2b32450634
('iommu/amd: Add routines to manage irq remapping tables')
Reviewed-by: Thomas Gleixner <tglx@linutronix.de>
Signed-off-by: Joerg Roedel <jroedel@suse.de>
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1 changed files with 3 additions and 1 deletions
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@ -4102,7 +4102,9 @@ static int irq_remapping_alloc(struct irq_domain *domain, unsigned int virq,
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else
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ret = -ENOMEM;
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} else {
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index = alloc_irq_index(devid, nr_irqs, false);
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bool align = (info->type == X86_IRQ_ALLOC_TYPE_MSI);
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index = alloc_irq_index(devid, nr_irqs, align);
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}
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if (index < 0) {
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pr_warn("Failed to allocate IRTE\n");
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