diff options
| author | Thomas Gleixner <tglx@linutronix.de> | 2010-10-11 11:55:37 +0200 |
|---|---|---|
| committer | Thomas Gleixner <tglx@linutronix.de> | 2010-10-12 16:53:42 +0200 |
| commit | 1a0730d6649113c820217387a011a17dd4aff3ad (patch) | |
| tree | 3b5240cb87605a72179885d1503f8f7297e4e224 /drivers/pci | |
| parent | intr_remap: Simplify the code further (diff) | |
| download | linux-1a0730d6649113c820217387a011a17dd4aff3ad.tar.xz linux-1a0730d6649113c820217387a011a17dd4aff3ad.zip | |
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')
| -rw-r--r-- | drivers/pci/intr_remapping.c | 7 |
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); |