Re: [Xen-devel] [v2][PATCH 0/5] xen: introduce new machine for IGD passthrough

["Michael S. Tsirkin" <mst@xxxxxxxxxx>]

On Thu, Jul 31, 2014 at 02:31:34PM +0800, Tiejun Chen wrote:
> v2:
> 
> * Fix some coding style
> * New patch to separate i440fx_init
> * Just add prefix with XEN_IGD_PASSTHROUGH/xen_igd_passthrough
> * Based on patch #2 to regenerate
> * Unify prefix with XEN_IGD_PASSTHROUGH/xen_igd_passthrough like patch #3
> * Test: boot with a preinstalled ubuntu 14.04
>   ./i386-softmmu/qemu-system-i386 -hda test.img -m 2560 -boot c -machine pc

You need to test with windows guests as well, linux often can boot
on bad hardware.

> As we discussed we need to create a separate machine to support current
> IGD passthrough.
> 
> ----------------------------------------------------------------
> Tiejun Chen (5):
>       hw:i386:pc_piix: split pc_init1()
>       hw:pci-host:piix: split i440fx_init
>       xen:hw:pci-host:piix: create host bridge to passthrough
>       xen:hw:pci-host:piix: introduce xen_igd_passthrough_i440fx_init
>       xen:hw:i386:pc_piix: introduce new machine for IGD passthrough
> 
>  hw/i386/pc_piix.c    | 222 
> +++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++-------------------
>  hw/pci-host/piix.c   | 165 
> +++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++-------------
>  include/hw/i386/pc.h |  11 +++++++++
>  3 files changed, 358 insertions(+), 40 deletions(-)
> 
> Thanks
> Tiejun

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