Re: [Qemu-devel] [for-4.2 PATCH 0/2] PCI DMA alias support

[Michael S. Tsirkin]

On Fri, Jul 26, 2019 at 06:55:27PM -0600, Alex Williamson wrote:
> Please see patch 1/ for the motivation and utility of this series.
> This v1 submission improves on the previous RFC with revised commit
> logs, comments, and more testing, and the missing IVRS support for DMA
> alias ranges is now included.  Testing has been done with Linux guests
> with both SeaBIOS and OVMF with configurations of intel-iommu and
> amd-iommu.  Intel-iommu testing includes device assignment, amd-iommu
> is necessarily limited to emulated devices with interrupt remapping
> disabled and iommu=pt in the guest (enabling interrupt remapping or
> disabling guest passthrough mode fails to work regardless of this
> series).  This series is NOT intended for QEMU v4.1.  Thanks,
> 
> Alex


series looks good to me.
pls ping when 4.1 is out and I'll queue it.

> ---
> 
> Alex Williamson (2):
>       pci: Use PCI aliases when determining device IOMMU address space
>       hw/i386: AMD-Vi IVRS DMA alias support
> 
> 
>  hw/i386/acpi-build.c |  127 
> +++++++++++++++++++++++++++++++++++++++++++++++---
>  hw/pci/pci.c         |   43 ++++++++++++++++-
>  2 files changed, 160 insertions(+), 10 deletions(-)