Message ID | 4-v6-228e7adf25eb+4155-smmuv3_newapi_p2_jgg@nvidia.com (mailing list archive) |
---|---|
State | New, archived |
Headers | show
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Series |
Update SMMUv3 to the modern iommu API (part 2/3)
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expand
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diff --git a/drivers/iommu/arm/arm-smmu-v3/arm-smmu-v3.c b/drivers/iommu/arm/arm-smmu-v3/arm-smmu-v3.c index fa3f3e7d9b0cba..7480f70701a045 100644 --- a/drivers/iommu/arm/arm-smmu-v3/arm-smmu-v3.c +++ b/drivers/iommu/arm/arm-smmu-v3/arm-smmu-v3.c @@ -2412,7 +2412,10 @@ static void arm_smmu_enable_ats(struct arm_smmu_master *master, pdev = to_pci_dev(master->dev); atomic_inc(&smmu_domain->nr_ats_masters); - arm_smmu_atc_inv_domain(smmu_domain, IOMMU_NO_PASID, 0, 0); + /* + * ATC invalidation of PASID 0 causes the entire ATC to be flushed. + */ + arm_smmu_atc_inv_master(master); if (pci_enable_ats(pdev, stu)) dev_err(master->dev, "Failed to enable ATS (STU %zu)\n", stu); }