Thread (36 messages) 36 messages, 5 authors, 2017-07-25
STALE3263d

[PATCH 3/5] iommu/arm-smmu-v3: add IOMMU_CAP_BYPASS to the ARM SMMUv3 driver

From: Anup Patel <hidden>
Date: 2017-07-19 09:35:13
Also in: kvm, linux-iommu, lkml
Subsystem: iommu subsystem, the rest · Maintainers: Joerg Roedel, Will Deacon, Linus Torvalds

The ARM SMMUv3 support bypassing transactions for which domain
is not configured. The patch adds corresponding IOMMU capability
to advertise this fact.

Signed-off-by: Anup Patel <redacted>
---
 drivers/iommu/arm-smmu-v3.c | 2 ++
 1 file changed, 2 insertions(+)
diff --git a/drivers/iommu/arm-smmu-v3.c b/drivers/iommu/arm-smmu-v3.c
index 568c400..a6c7f66 100644
--- a/drivers/iommu/arm-smmu-v3.c
+++ b/drivers/iommu/arm-smmu-v3.c
@@ -1423,6 +1423,8 @@ static bool arm_smmu_capable(enum iommu_cap cap)
 		return true;
 	case IOMMU_CAP_NOEXEC:
 		return true;
+	case IOMMU_CAP_BYPASS:
+		return true;
 	default:
 		return false;
 	}
-- 
2.7.4
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