Am 21. April 2023 07:38:10 UTC schrieb "Michael S. Tsirkin" <m...@redhat.com>:
>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
>
>> 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 <brchu...@aol.com>
>>
>> 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
>>
>
