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 /include/linux/dmar.h | |
| parent | intr_remap: Simplify the code further (diff) | |
| download | wireguard-linux-1a0730d6649113c820217387a011a17dd4aff3ad.tar.xz wireguard-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 'include/linux/dmar.h')
| -rw-r--r-- | include/linux/dmar.h | 2 |
1 files changed, 0 insertions, 2 deletions
diff --git a/include/linux/dmar.h b/include/linux/dmar.h index 4475f8cf7a62..51651b76d40f 100644 --- a/include/linux/dmar.h +++ b/include/linux/dmar.h @@ -122,7 +122,6 @@ extern int set_irte_irq(int irq, struct intel_iommu *iommu, u16 index, extern int map_irq_to_irte_handle(int irq, u16 *sub_handle); extern int free_irte(int irq); -extern int irq_remapped(int irq); extern struct intel_iommu *map_dev_to_ir(struct pci_dev *dev); extern struct intel_iommu *map_ioapic_to_ir(int apic); extern struct intel_iommu *map_hpet_to_ir(u8 id); @@ -176,7 +175,6 @@ static inline int set_msi_sid(struct irte *irte, struct pci_dev *dev) return 0; } -#define irq_remapped(irq) (0) #define enable_intr_remapping(mode) (-1) #define disable_intr_remapping() (0) #define reenable_intr_remapping(mode) (0) |