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Subject[patch 05/26] 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>
---
Index: tree-x86/drivers/pci/dmar.c
===================================================================
--- tree-x86.orig/drivers/pci/dmar.c 2008-07-10 09:51:53.000000000 -0700
+++ tree-x86/drivers/pci/dmar.c 2008-07-10 09:51:55.000000000 -0700
@@ -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;
--



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