Intel VT-d Scalable Mode Coming To Linux 4.21 - Makes Up Scalable I/O Virtualization

The IOMMU changes were sent in today for the Linux 4.21 kernel merge window. There are some AMD IOMMU improvements, new Qualcomm SMMUv2 IOMMU hardware support, NUMA-aware allocations in the IOMMU DMA code for some very slight performance benefits, and most notably is likely the scalable mode support within the Intel VT-d driver...