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 <[email protected]> --- 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
