[PATCH v8 18/18] iommu/arm-smmu: Do not advertise IOMMU_CAP_INTR_REMAP anymore
From: Tomasz Nowicki <hidden>
Date: 2017-01-18 11:46:08
Also in:
kvm, linux-iommu, lkml
On 11.01.2017 10:41, Eric Auger wrote:
IOMMU_CAP_INTR_REMAP has been advertised in arm-smmu(-v3) although on ARM this property is not attached to the IOMMU but rather is implemented in the MSI controller (GICv3 ITS). Now vfio_iommu_type1 checks MSI remapping capability at MSI controller level, let's correct this. Signed-off-by: Eric Auger <eric.auger@redhat.com> Acked-by: Will Deacon <redacted>
For patches [15-18]: Reviewed-by: Tomasz Nowicki <redacted> Thanks, Tomasz
quoted hunk ↗ jump to hunk
--- v7 -> v8: - added Will's A-b --- drivers/iommu/arm-smmu-v3.c | 2 -- drivers/iommu/arm-smmu.c | 2 -- 2 files changed, 4 deletions(-)diff --git a/drivers/iommu/arm-smmu-v3.c b/drivers/iommu/arm-smmu-v3.c index 6c4111c..d9cf6cb 100644 --- a/drivers/iommu/arm-smmu-v3.c +++ b/drivers/iommu/arm-smmu-v3.c@@ -1375,8 +1375,6 @@ static bool arm_smmu_capable(enum iommu_cap cap) switch (cap) { case IOMMU_CAP_CACHE_COHERENCY: return true; - case IOMMU_CAP_INTR_REMAP: - return true; /* MSIs are just memory writes */ case IOMMU_CAP_NOEXEC: return true; default:diff --git a/drivers/iommu/arm-smmu.c b/drivers/iommu/arm-smmu.c index a354572..13d2600 100644 --- a/drivers/iommu/arm-smmu.c +++ b/drivers/iommu/arm-smmu.c@@ -1374,8 +1374,6 @@ static bool arm_smmu_capable(enum iommu_cap cap) * requests. */ return true; - case IOMMU_CAP_INTR_REMAP: - return true; /* MSIs are just memory writes */ case IOMMU_CAP_NOEXEC: return true; default: