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-rw-r--r--drivers/pci/intel-iommu.c9
1 files changed, 9 insertions, 0 deletions
diff --git a/drivers/pci/intel-iommu.c b/drivers/pci/intel-iommu.c
index ef5795d0396..f3eebd2b2d7 100644
--- a/drivers/pci/intel-iommu.c
+++ b/drivers/pci/intel-iommu.c
@@ -1947,6 +1947,15 @@ static int __init init_dmars(void)
}
}
+#ifdef CONFIG_INTR_REMAP
+ if (!intr_remapping_enabled) {
+ ret = enable_intr_remapping(0);
+ if (ret)
+ printk(KERN_ERR
+ "IOMMU: enable interrupt remapping failed\n");
+ }
+#endif
+
/*
* For each rmrr
* for each dev attached to rmrr