x64, x2apic/intr-remap: Fix the need for RMRR in the DMA-remapping detection
Presence of RMRR structures is not compulsory for enabling DMA-remapping.
Signed-off-by: Suresh Siddha <suresh.b.siddha@intel.com>
Signed-off-by: Yong Y Wang <yong.y.wang@intel.com>
Cc: Yong Y Wang <yong.y.wang@intel.com>
Cc: akpm@linux-foundation.org
Cc: arjan@linux.intel.com
Cc: andi@firstfloor.org
Cc: ebiederm@xmission.com
Cc: jbarnes@virtuousgeek.org
Cc: steiner@sgi.com
Signed-off-by: Ingo Molnar <mingo@elte.hu>
diff --git a/drivers/pci/dmar.c b/drivers/pci/dmar.c
index 5c99f997..903f170 100644
--- a/drivers/pci/dmar.c
+++ b/drivers/pci/dmar.c
@@ -419,10 +419,8 @@
}
#ifdef CONFIG_DMAR
- if (list_empty(&dmar_rmrr_units)) {
+ if (list_empty(&dmar_rmrr_units))
printk(KERN_INFO PREFIX "No RMRR found\n");
- return -ENODEV;
- }
#endif
return 0;