[PATCH 2/5] iommu/arm-smmu: add IOMMU_CAP_BYPASS to the ARM SMMU driver
From: Anup Patel <hidden>
Date: 2017-07-19 09:35:04
Also in:
kvm, linux-iommu, lkml
Subsystem:
iommu subsystem, the rest · Maintainers:
Joerg Roedel, Will Deacon, Linus Torvalds
The ARM SMMUv1 and SMMUv2 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.c | 2 ++ 1 file changed, 2 insertions(+)
diff --git a/drivers/iommu/arm-smmu.c b/drivers/iommu/arm-smmu.c
index bc89b4d..08a9020 100644
--- a/drivers/iommu/arm-smmu.c
+++ b/drivers/iommu/arm-smmu.c@@ -1483,6 +1483,8 @@ 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