summaryrefslogtreecommitdiffstats
path: root/drivers/iommu/dmar.c
diff options
context:
space:
mode:
Diffstat (limited to 'drivers/iommu/dmar.c')
-rw-r--r--drivers/iommu/dmar.c11
1 files changed, 6 insertions, 5 deletions
diff --git a/drivers/iommu/dmar.c b/drivers/iommu/dmar.c
index 35c1e17fce1d..3a74e4410fc0 100644
--- a/drivers/iommu/dmar.c
+++ b/drivers/iommu/dmar.c
@@ -36,6 +36,7 @@
#include <linux/tboot.h>
#include <linux/dmi.h>
#include <linux/slab.h>
+#include <asm/irq_remapping.h>
#include <asm/iommu_table.h>
#define PREFIX "DMAR: "
@@ -555,7 +556,7 @@ int __init detect_intel_iommu(void)
dmar = (struct acpi_table_dmar *) dmar_tbl;
- if (ret && intr_remapping_enabled && cpu_has_x2apic &&
+ if (ret && irq_remapping_enabled && cpu_has_x2apic &&
dmar->flags & 0x1)
printk(KERN_INFO
"Queued invalidation will be enabled to support x2apic and Intr-remapping.\n");
@@ -1041,7 +1042,7 @@ static const char *dma_remap_fault_reasons[] =
"non-zero reserved fields in PTE",
};
-static const char *intr_remap_fault_reasons[] =
+static const char *irq_remap_fault_reasons[] =
{
"Detected reserved fields in the decoded interrupt-remapped request",
"Interrupt index exceeded the interrupt-remapping table size",
@@ -1056,10 +1057,10 @@ static const char *intr_remap_fault_reasons[] =
const char *dmar_get_fault_reason(u8 fault_reason, int *fault_type)
{
- if (fault_reason >= 0x20 && (fault_reason <= 0x20 +
- ARRAY_SIZE(intr_remap_fault_reasons))) {
+ if (fault_reason >= 0x20 && (fault_reason - 0x20 <
+ ARRAY_SIZE(irq_remap_fault_reasons))) {
*fault_type = INTR_REMAP;
- return intr_remap_fault_reasons[fault_reason - 0x20];
+ return irq_remap_fault_reasons[fault_reason - 0x20];
} else if (fault_reason < ARRAY_SIZE(dma_remap_fault_reasons)) {
*fault_type = DMA_REMAP;
return dma_remap_fault_reasons[fault_reason];