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>
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@ -419,10 +419,8 @@ int __init dmar_table_init(void)
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}
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}
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#ifdef CONFIG_DMAR
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#ifdef CONFIG_DMAR
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if (list_empty(&dmar_rmrr_units)) {
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if (list_empty(&dmar_rmrr_units))
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printk(KERN_INFO PREFIX "No RMRR found\n");
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printk(KERN_INFO PREFIX "No RMRR found\n");
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return -ENODEV;
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}
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#endif
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#endif
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return 0;
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return 0;
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