diff options
Diffstat (limited to 'drivers/iommu/dmar.c')
| -rw-r--r-- | drivers/iommu/dmar.c | 13 |
1 files changed, 6 insertions, 7 deletions
diff --git a/drivers/iommu/dmar.c b/drivers/iommu/dmar.c index 6f0422dcd0f5..587e8f2d38d8 100644 --- a/drivers/iommu/dmar.c +++ b/drivers/iommu/dmar.c @@ -551,22 +551,21 @@ int __init detect_intel_iommu(void) if (ret) ret = check_zero_address(); { -#ifdef CONFIG_INTR_REMAP struct acpi_table_dmar *dmar; dmar = (struct acpi_table_dmar *) dmar_tbl; - if (ret && cpu_has_x2apic && dmar->flags & 0x1) + + if (ret && intr_remapping_enabled && cpu_has_x2apic && + dmar->flags & 0x1) printk(KERN_INFO - "Queued invalidation will be enabled to support " - "x2apic and Intr-remapping.\n"); -#endif -#ifdef CONFIG_DMAR + "Queued invalidation will be enabled to support x2apic and Intr-remapping.\n"); + if (ret && !no_iommu && !iommu_detected && !dmar_disabled) { iommu_detected = 1; /* Make sure ACS will be enabled */ pci_request_acs(); } -#endif + #ifdef CONFIG_X86 if (ret) x86_init.iommu.iommu_init = intel_iommu_init; |