| Date | Thu, 10 Jul 2008 11:16:39 -0700 | From | Suresh Siddha <> | Subject | [patch 05/26] x64, x2apic/intr-remap: Fix the need for RMRR in the DMA-remapping detection |
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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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