@@ -1770,6 +1770,14 @@ static int arm_smmu_map(struct iommu_domain *domain, unsigned long iova,
return ops->unmap(ops, iova, size);
}
+static void arm_smmu_flush_iotlb_all(struct iommu_domain *domain)
+{
+ struct arm_smmu_domain *smmu_domain = to_smmu_domain(domain);
+
+ if (smmu_domain->smmu)
+ arm_smmu_tlb_inv_context(smmu_domain);
+}
+
static void arm_smmu_iotlb_sync(struct iommu_domain *domain)
{
struct arm_smmu_device *smmu = to_smmu_domain(domain)->smmu;
@@ -1998,7 +2006,7 @@ static void arm_smmu_put_resv_regions(struct device *dev,
.map = arm_smmu_map,
.unmap = arm_smmu_unmap,
.map_sg = default_iommu_map_sg,
- .flush_iotlb_all = arm_smmu_iotlb_sync,
+ .flush_iotlb_all = arm_smmu_flush_iotlb_all,
.iotlb_sync = arm_smmu_iotlb_sync,
.iova_to_phys = arm_smmu_iova_to_phys,
.add_device = arm_smmu_add_device,
.flush_iotlb_all can not just wait for previous tlbi operations to be completed, but should also invalid all TLBs of the related domain. Signed-off-by: Zhen Lei <thunder.leizhen@huawei.com> --- drivers/iommu/arm-smmu-v3.c | 10 +++++++++- 1 file changed, 9 insertions(+), 1 deletion(-) -- 1.8.3 -- To unsubscribe from this list: send the line "unsubscribe linux-arm-msm" in the body of a message to majordomo@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html