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x86: Embedd irq_2_iommu into irq_cfg

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That interrupt remapping code is x86 specific and tied to the io_apic
code. No need for separate allocator functions in the interrupt
remapping code. This allows to simplify the code and irq_2_iommu is
small (13 bytes on 64bit) so it's not a real problem even if interrupt
remapping is runtime disabled. If it's compile time disabled the
impact is zero.

Signed-off-by: Thomas Gleixner <[email protected]>
Reviewed-by: Ingo Molnar <[email protected]>
Acked-by: Suresh Siddha <[email protected]>
Cc: David Woodhouse <[email protected]>
Cc: Jesse Barnes <[email protected]>
This commit is contained in:
Thomas Gleixner 2010-10-10 11:39:09 +02:00
commit 423f085952
3 changed files with 11 additions and 7 deletions
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7
drivers/pci/intr_remapping.c
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@ -46,13 +46,6 @@ static __init int setup_intremap(char *str)
}
early_param("intremap", setup_intremap);
struct irq_2_iommu {
struct intel_iommu *iommu;
u16 irte_index;
u16 sub_handle;
u8 irte_mask;
};
#ifdef CONFIG_GENERIC_HARDIRQS
static struct irq_2_iommu *irq_2_iommu(unsigned int irq)
{