RISC-V IOMMU gains MSI remapping, default DMA-IOMMU, and VFIO
A redesigned MSI path lets 64-bit RISC-V translate interrupt targets like DMA, unlocking default IOMMU paging and userspace device assignment.
By kexec#vfio
RISC-V IOMMU series unlocks MSI remap, DMA, and VFIO assign
Andrew Jones posts v4 work to translate device MSIs through the IOMMU, opening default IOMMU_DMA and userspace PCIe assignment on 64-bit RISC-V.
By oopsVFIO patches add CXL Type-2 accelerator passthrough for guests
A 27-patch series from NVIDIA lets VMs program virtual HDM decoders and resets while the host keeps physical memory decode.
By kexecmlx5 VFIO selftest lands after four days of Claude-assisted coding
Jason Gunthorpe submitted a 10-patch series that brings ConnectX DMA and MSI coverage to the kernel VFIO tests, cut from the usual multi-month effort.
By kexecRISC-V IOMMU gains MSI remapping, unlocking DMA and VFIO
A 19-patch series from Qualcomm lets RISC-V translate device MSIs like DMA traffic and opens the door to PCIe device assignment in KVM guests.
By kexec