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authorJoerg Roedel <joerg.roedel@amd.com>2012-06-15 18:53:51 +0400
committerJoerg Roedel <joerg.roedel@amd.com>2012-09-28 19:30:03 +0400
commit05152a0494449f60031da683e6d4cd60d0882214 (patch)
tree610e4df7df61da02c2cc3ccc24aeb38896f7509e /drivers/iommu/irq_remapping.h
parent6efed63bec36e260204a50cfe6878cd36b710ade (diff)
downloadlinux-05152a0494449f60031da683e6d4cd60d0882214.tar.xz
iommu/amd: Add slab-cache for irq remapping tables
The irq remapping tables for the AMD IOMMU need to be aligned on a 128 byte boundary. Create a seperate slab-cache to guarantee this alignment. Signed-off-by: Joerg Roedel <joerg.roedel@amd.com>
Diffstat (limited to 'drivers/iommu/irq_remapping.h')
-rw-r--r--drivers/iommu/irq_remapping.h5
1 files changed, 5 insertions, 0 deletions
diff --git a/drivers/iommu/irq_remapping.h b/drivers/iommu/irq_remapping.h
index b12974cc1dfe..624d360d9be4 100644
--- a/drivers/iommu/irq_remapping.h
+++ b/drivers/iommu/irq_remapping.h
@@ -83,6 +83,11 @@ struct irq_remap_ops {
extern struct irq_remap_ops intel_irq_remap_ops;
+#else /* CONFIG_IRQ_REMAP */
+
+#define irq_remapping_enabled 0
+#define disable_irq_remap 1
+
#endif /* CONFIG_IRQ_REMAP */
#endif /* __IRQ_REMAPPING_H */