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Re: [RESEND PATCH 0/2] PCI DMA alias support
From: |
Michael S. Tsirkin |
Subject: |
Re: [RESEND PATCH 0/2] PCI DMA alias support |
Date: |
Wed, 6 Nov 2019 06:34:46 -0500 |
On Mon, Nov 04, 2019 at 03:03:53PM -0700, Alex Williamson wrote:
> On Wed, 23 Oct 2019 16:47:02 -0600
> Alex Williamson <address@hidden> 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(-)