Re: [PATCH v4 0/7] Resolve TYPE_PIIX3_XEN_DEVICE

[Bernhard Beschow <shentey@xxxxxxxxx>]

Am 22. Mai 2023 15:42:03 UTC schrieb Bernhard Beschow <shentey@xxxxxxxxx>:
>
>
>Am 15. Mai 2023 20:52:40 UTC schrieb Stefano Stabellini 
><sstabellini@xxxxxxxxxx>:
>>On Sat, 13 May 2023, Bernhard Beschow wrote:
>>> Am 21. April 2023 07:38:10 UTC schrieb "Michael S. Tsirkin" 
>>> <mst@xxxxxxxxxx>:
>>> >On Mon, Apr 03, 2023 at 09:41:17AM +0200, Bernhard Beschow wrote:
>>> >> There is currently a dedicated PIIX3 device model for use under Xen. By 
>>> >> reusing
>>> >> existing PCI API during initialization this device model can be 
>>> >> eliminated and
>>> >> the plain PIIX3 device model can be used instead.
>>> >> 
>>> >> Resolving TYPE_PIIX3_XEN_DEVICE results in less code while also making 
>>> >> Xen
>>> >> agnostic towards the precise south bridge being used in the PC machine. 
>>> >> The
>>> >> latter might become particularily interesting once PIIX4 becomes usable 
>>> >> in the
>>> >> PC machine, avoiding the "Frankenstein" use of PIIX4_ACPI in PIIX3.
>>> >
>>> >xen stuff so I assume that tree?
>>> 
>>> Ping
>>
>>I am OK either way. Michael, what do you prefer?
>>
>>Normally I would suggest for you to pick up the patches. But as it
>>happens I'll have to likely send another pull request in a week or two
>>and I can add these patches to it.
>>
>>Let me know your preference and I am happy to follow it.
>
>Hi Stefano,
>
>Michael's PR was merged last week. How about including this series into your 
>PR then?

Ping

>
>Best regards,
>Bernhard
>
>>
>>
>>> >
>>> >> Testing done:
>>> >> - `make check`
>>> >> - Run `xl create` with the following config:
>>> >>     name = "Manjaro"
>>> >>     type = 'hvm'
>>> >>     memory = 1536
>>> >>     apic = 1
>>> >>     usb = 1
>>> >>     disk = [ "file:manjaro-kde-21.2.6-220416-linux515.iso,hdc:cdrom,r" ]
>>> >>     device_model_override = "/usr/bin/qemu-system-x86_64"
>>> >>     vga = "stdvga"
>>> >>     sdl = 1
>>> >> - `qemu-system-x86_64 -M pc -m 2G -cpu host -accel kvm \
>>> >>     -cdrom manjaro-kde-21.2.6-220416-linux515.iso`
>>> >> 
>>> >> v4:
>>> >> - Add patch fixing latent memory leak in pci_bus_irqs() (Anthony)
>>> >> 
>>> >> v3:
>>> >> - Rebase onto master
>>> >> 
>>> >> v2:
>>> >> - xen_piix3_set_irq() is already generic. Just rename it. (Chuck)
>>> >> 
>>> >> Tested-by: Chuck Zmudzinski <brchuckz@xxxxxxx>
>>> >> 
>>> >> Bernhard Beschow (7):
>>> >>   include/hw/xen/xen: Rename xen_piix3_set_irq() to xen_intx_set_irq()
>>> >>   hw/pci/pci.c: Don't leak PCIBus::irq_count[] in pci_bus_irqs()
>>> >>   hw/isa/piix3: Reuse piix3_realize() in piix3_xen_realize()
>>> >>   hw/isa/piix3: Wire up Xen PCI IRQ handling outside of PIIX3
>>> >>   hw/isa/piix3: Avoid Xen-specific variant of piix3_write_config()
>>> >>   hw/isa/piix3: Resolve redundant k->config_write assignments
>>> >>   hw/isa/piix3: Resolve redundant TYPE_PIIX3_XEN_DEVICE
>>> >> 
>>> >>  include/hw/southbridge/piix.h |  1 -
>>> >>  include/hw/xen/xen.h          |  2 +-
>>> >>  hw/i386/pc_piix.c             | 36 +++++++++++++++++++--
>>> >>  hw/i386/xen/xen-hvm.c         |  2 +-
>>> >>  hw/isa/piix3.c                | 60 +----------------------------------
>>> >>  hw/pci/pci.c                  |  2 ++
>>> >>  stubs/xen-hw-stub.c           |  2 +-
>>> >>  7 files changed, 39 insertions(+), 66 deletions(-)
>>> >> 
>>> >> -- 
>>> >> 2.40.0
>>> >> 
>>> >
>>>