Hi,
On 12/21/19 11:03 PM, Tom Murphy wrote:
@@ -5618,9 +5583,13 @@ static int intel_iommu_add_device(struct device *dev)
struct iommu_domain *domain;
struct intel_iommu *iommu;
struct iommu_group *group;
+ u64 dma_mask = *dev->dma_mask;
u8 bus, devfn;
On Sat, Dec 21, 2019 at 03:03:53PM +, Tom Murphy wrote:
> In the intel iommu driver devices which only support 32bit DMA can't be
> direct mapped. The implementation of this is weird. Currently we assign
> it a direct mapped domain and then remove the domain later and replace
> it with a
In the intel iommu driver devices which only support 32bit DMA can't be
direct mapped. The implementation of this is weird. Currently we assign
it a direct mapped domain and then remove the domain later and replace
it with a domain of type IOMMU_DOMAIN_IDENTITY. We should just assign it
a domain
