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Merge tag 'arm-soc-5.13' of git://git.kernel.org/pub/scm/linux/kernel/git/soc/soc
[linux-2.6-microblaze.git]
/
drivers
/
iommu
/
dma-iommu.c
diff --git
a/drivers/iommu/dma-iommu.c
b/drivers/iommu/dma-iommu.c
index
9ab6ee2
..
af765c8
100644
(file)
--- a/
drivers/iommu/dma-iommu.c
+++ b/
drivers/iommu/dma-iommu.c
@@
-311,6
+311,11
@@
static void iommu_dma_flush_iotlb_all(struct iova_domain *iovad)
domain->ops->flush_iotlb_all(domain);
}
domain->ops->flush_iotlb_all(domain);
}
+static bool dev_is_untrusted(struct device *dev)
+{
+ return dev_is_pci(dev) && to_pci_dev(dev)->untrusted;
+}
+
/**
* iommu_dma_init_domain - Initialise a DMA mapping domain
* @domain: IOMMU domain previously prepared by iommu_get_dma_cookie()
/**
* iommu_dma_init_domain - Initialise a DMA mapping domain
* @domain: IOMMU domain previously prepared by iommu_get_dma_cookie()
@@
-365,8
+370,9
@@
static int iommu_dma_init_domain(struct iommu_domain *domain, dma_addr_t base,
init_iova_domain(iovad, 1UL << order, base_pfn);
init_iova_domain(iovad, 1UL << order, base_pfn);
- if (!cookie->fq_domain && !iommu_domain_get_attr(domain,
- DOMAIN_ATTR_DMA_USE_FLUSH_QUEUE, &attr) && attr) {
+ if (!cookie->fq_domain && (!dev || !dev_is_untrusted(dev)) &&
+ !iommu_domain_get_attr(domain, DOMAIN_ATTR_DMA_USE_FLUSH_QUEUE, &attr) &&
+ attr) {
if (init_iova_flush_queue(iovad, iommu_dma_flush_iotlb_all,
iommu_dma_entry_dtor))
pr_warn("iova flush queue initialization failed\n");
if (init_iova_flush_queue(iovad, iommu_dma_flush_iotlb_all,
iommu_dma_entry_dtor))
pr_warn("iova flush queue initialization failed\n");
@@
-508,11
+514,6
@@
static void __iommu_dma_unmap_swiotlb(struct device *dev, dma_addr_t dma_addr,
iova_align(iovad, size), dir, attrs);
}
iova_align(iovad, size), dir, attrs);
}
-static bool dev_is_untrusted(struct device *dev)
-{
- return dev_is_pci(dev) && to_pci_dev(dev)->untrusted;
-}
-
static dma_addr_t __iommu_dma_map(struct device *dev, phys_addr_t phys,
size_t size, int prot, u64 dma_mask)
{
static dma_addr_t __iommu_dma_map(struct device *dev, phys_addr_t phys,
size_t size, int prot, u64 dma_mask)
{