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authorThomas Gleixner <tglx@linutronix.de>2010-10-11 11:55:37 +0200
committerThomas Gleixner <tglx@linutronix.de>2010-10-12 16:53:42 +0200
commit1a0730d6649113c820217387a011a17dd4aff3ad (patch)
tree3b5240cb87605a72179885d1503f8f7297e4e224 /drivers/pci/intr_remapping.c
parentd585d060b42bd36f6f0b23ff327d3b91f80c7139 (diff)
x86: Speed up the irq_remapped check in hot pathes
irq_2_iommu is in struct irq_cfg, so we can do the irq_remapped check based on irq_cfg instead of going through a lookup function. That's especially interesting in the eoi_ioapic_irq() hotpath. Signed-off-by: Thomas Gleixner <tglx@linutronix.de> Reviewed-by: Ingo Molnar <mingo@elte.hu> Acked-by: Suresh Siddha <suresh.b.siddha@intel.com> Cc: David Woodhouse <dwmw2@infradead.org> Cc: Jesse Barnes <jbarnes@virtuousgeek.org>
Diffstat (limited to 'drivers/pci/intr_remapping.c')
-rw-r--r--drivers/pci/intr_remapping.c7
1 files changed, 0 insertions, 7 deletions
diff --git a/drivers/pci/intr_remapping.c b/drivers/pci/intr_remapping.c
index a620b8bd8f4b..ec87cd66f3eb 100644
--- a/drivers/pci/intr_remapping.c
+++ b/drivers/pci/intr_remapping.c
@@ -54,13 +54,6 @@ static struct irq_2_iommu *irq_2_iommu(unsigned int irq)
return cfg ? &cfg->irq_2_iommu : NULL;
}
-int irq_remapped(int irq)
-{
- struct irq_2_iommu *irq_iommu = irq_2_iommu(irq);
-
- return irq_iommu ? irq_iommu->iommu != NULL : 0;
-}
-
int get_irte(int irq, struct irte *entry)
{
struct irq_2_iommu *irq_iommu = irq_2_iommu(irq);