[RFC PATCH v6 04/20] iommu/arm-smmu: add capability IOMMU_CAP_INTR_REMAP

Antonios Motakis
2014-06-05T17:04:25Z

With an ARM SMMU, interrupt remapping should always be safe from the
SMMU's point of view, as it is properly handled by the GIC.

Signed-off-by: Antonios Motakis <a.motakis@virtualopensystems.com>
---
drivers/iommu/arm-smmu.c | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/drivers/iommu/arm-smmu.c b/drivers/iommu/arm-smmu.c
index 15ab2af..ff29402 100644
--- a/drivers/iommu/arm-smmu.c
+++ b/drivers/iommu/arm-smmu.c
@@ -1544,7 +1544,7 @@ static int arm_smmu_domain_has_cap(struct iommu_domain *domain,
if (smmu_domain->root_cfg.smmu->features & ARM_SMMU_FEAT_COHERENT_WALK)
caps |= IOMMU_CAP_CACHE_COHERENCY;

- caps |= IOMMU_CAP_NOEXEC;
+ caps |= IOMMU_CAP_NOEXEC | IOMMU_CAP_INTR_REMAP;

return !!(cap & caps);
}
--
1.8.3.2