Re: [PATCH v9 13/20] multi-process: Forward PCI config space acceses to the remote process

[Stefan Hajnoczi]

On Thu, Aug 27, 2020 at 11:12:24AM -0700, elena.ufimtseva@oracle.com wrote:
> From: Elena Ufimtseva <elena.ufimtseva@oracle.com>
> 
> The Proxy Object sends the PCI config space accesses as messages
> to the remote process over the communication channel
> 
> TODO:
> Investigate if the local PCI config writes can be dropped.
> Without the proxy local PCI config space writes for the device,
> the driver in the guest times out on the probing.
> We have tried to only refer to the remote for the PCI config writes,
> but the driver timeout in the guest forced as to left this
> as it is (removing local PCI config only).
> 
> Signed-off-by: Elena Ufimtseva <elena.ufimtseva@oracle.com>
> Signed-off-by: Jagannathan Raman <jag.raman@oracle.com>
> Signed-off-by: John G Johnson <john.g.johnson@oracle.com>
> ---
>  hw/i386/remote-msg.c     | 70 ++++++++++++++++++++++++++++++++++++++++
>  hw/pci/proxy.c           | 50 ++++++++++++++++++++++++++++
>  include/io/mpqemu-link.h |  9 ++++++
>  io/mpqemu-link.c         |  6 ++++
>  4 files changed, 135 insertions(+)

Reviewed-by: Stefan Hajnoczi <stefanha@redhat.com>

signature.asc
Description: PGP signature