Messages in this thread Patch in this message | | | From | Niklas Schnelle <> | Subject | [PATCH v2 4/7] iommu: Let iommu.strict override ops->def_domain_type | Date | Wed, 16 Nov 2022 18:16:53 +0100 |
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When iommu.strict=1 is set or iommu_set_dma_strict() was called we should use IOMMU_DOMAIN_DMA irrespective of ops->def_domain_type.
Signed-off-by: Niklas Schnelle <schnelle@linux.ibm.com> --- drivers/iommu/iommu.c | 3 +++ 1 file changed, 3 insertions(+)
diff --git a/drivers/iommu/iommu.c b/drivers/iommu/iommu.c index 65a3b3d886dc..d9bf94d198df 100644 --- a/drivers/iommu/iommu.c +++ b/drivers/iommu/iommu.c @@ -1562,6 +1562,9 @@ static int iommu_get_def_domain_type(struct device *dev) { const struct iommu_ops *ops = dev_iommu_ops(dev); + if (iommu_dma_strict) + return IOMMU_DOMAIN_DMA; + if (dev_is_pci(dev) && to_pci_dev(dev)->untrusted) return IOMMU_DOMAIN_DMA; -- 2.34.1
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