iommu: Cleanup ifdefs in detect_intel_iommu()

Signed-off-by: Suresh Siddha <suresh.b.siddha@intel.com>
Cc: yinghai@kernel.org
Cc: youquan.song@intel.com
Cc: joerg.roedel@amd.com
Cc: tony.luck@intel.com
Cc: dwmw2@infradead.org
Link: http://lkml.kernel.org/r/20110824001456.386003047@sbsiddha-desk.sc.intel.com
Signed-off-by: Ingo Molnar <mingo@elte.hu>

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;