Report the availability of irq remapping through the
IOMMU-API to allow KVM device passthrough again without
additional module parameter overrides.

Signed-off-by: Joerg Roedel <joerg.roe...@amd.com>
---
 drivers/iommu/amd_iommu.c |    2 ++
 1 file changed, 2 insertions(+)

diff --git a/drivers/iommu/amd_iommu.c b/drivers/iommu/amd_iommu.c
index 6fe4ad7..3f616f6 100644
--- a/drivers/iommu/amd_iommu.c
+++ b/drivers/iommu/amd_iommu.c
@@ -3353,6 +3353,8 @@ static int amd_iommu_domain_has_cap(struct iommu_domain 
*domain,
        switch (cap) {
        case IOMMU_CAP_CACHE_COHERENCY:
                return 1;
+       case IOMMU_CAP_INTR_REMAP:
+               return irq_remapping_enabled;
        }
 
        return 0;
-- 
1.7.9.5


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