Re: [RESEND PATCH 0/2] PCI DMA alias support

["Michael S. Tsirkin" <mst@redhat.com>]

On Mon, Nov 04, 2019 at 03:03:53PM -0700, Alex Williamson wrote:
> On Wed, 23 Oct 2019 16:47:02 -0600
> Alex Williamson <alex.williamson@redhat.com> wrote:
> 
> > Previous posting:
> > https://lists.gnu.org/archive/html/qemu-devel/2019-07/msg06182.html
> > 
> > Rebased (no change) and added Peter's R-b.  Please apply for QEMU 4.2.
> 
> Anyone?  I suppose this has missed another release despite pings from
> me, Peter, and a resend :-(
> 
> Alex

It can be considered a bugfix so I think ok after freeze.

> > Previous cover letter:
> > 
> > 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
> > 
> > ---
> > 
> > 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(-)