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    Subject[PATCH] pci: intr_remapping: Fix bogus CONFIG ifdef
    The interrupt remapping code selects the dynamic allocation of the
    irq_2_iommu structure depending on CONFIG_GENERIC_HARDIRQS. Introduced
    by commit d7e51e668 (sparseirq: make some func to be used with genirq)

    The correct config switch is CONFIG_SPARSE_IRQ.

    Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
    ---
    diff --git a/drivers/pci/intr_remapping.c b/drivers/pci/intr_remapping.c
    index fd1d286..af63cc2 100644
    --- a/drivers/pci/intr_remapping.c
    +++ b/drivers/pci/intr_remapping.c
    @@ -53,7 +53,7 @@ struct irq_2_iommu {
    u8 irte_mask;
    };

    -#ifdef CONFIG_GENERIC_HARDIRQS
    +#ifdef CONFIG_SPARSE_IRQ
    static struct irq_2_iommu *get_one_free_irq_2_iommu(int node)
    {
    struct irq_2_iommu *iommu;

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