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Tsirkin" CC: qemu-devel@nongnu.org, Richard Henderson , Marcel Apfelbaum , David Woodhouse , Eduardo Habkost , Stefano Stabellini , Chuck Zmudzinski , Aurelien Jarno , =?ISO-8859-1?Q?Herv=E9_Poussineau?= , Paul Durrant , Paolo Bonzini , =?ISO-8859-1?Q?Philippe_Mathieu-Daud=E9?= , Anthony Perard , xen-devel@lists.xenproject.org Subject: Re: [PATCH v4 0/7] Resolve TYPE_PIIX3_XEN_DEVICE In-Reply-To: <20230421033757-mutt-send-email-mst@kernel.org> References: <20230403074124.3925-1-shentey@gmail.com> <20230421033757-mutt-send-email-mst@kernel.org> Message-ID: <9EB9A984-61E5-4226-8352-B5DDC6E2C62E@gmail.com> MIME-Version: 1.0 Content-Type: text/plain; charset=utf-8 Content-Transfer-Encoding: quoted-printable Am 21=2E April 2023 07:38:10 UTC schrieb "Michael S=2E Tsirkin" : >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=2E = By reusing >> existing PCI API during initialization this device model can be elimina= ted and >> the plain PIIX3 device model can be used instead=2E >>=20 >> 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= =2E The >> latter might become particularily interesting once PIIX4 becomes usable= in the >> PC machine, avoiding the "Frankenstein" use of PIIX4_ACPI in PIIX3=2E > >xen stuff so I assume that tree? Ping > >> Testing done: >> - `make check` >> - Run `xl create` with the following config: >> name =3D "Manjaro" >> type =3D 'hvm' >> memory =3D 1536 >> apic =3D 1 >> usb =3D 1 >> disk =3D [ "file:manjaro-kde-21=2E2=2E6-220416-linux515=2Eiso,hdc:c= drom,r" ] >> device_model_override =3D "/usr/bin/qemu-system-x86_64" >> vga =3D "stdvga" >> sdl =3D 1 >> - `qemu-system-x86_64 -M pc -m 2G -cpu host -accel kvm \ >> -cdrom manjaro-kde-21=2E2=2E6-220416-linux515=2Eiso` >>=20 >> v4: >> - Add patch fixing latent memory leak in pci_bus_irqs() (Anthony) >>=20 >> v3: >> - Rebase onto master >>=20 >> v2: >> - xen_piix3_set_irq() is already generic=2E Just rename it=2E (Chuck) >>=20 >> Tested-by: Chuck Zmudzinski >>=20 >> Bernhard Beschow (7): >> include/hw/xen/xen: Rename xen_piix3_set_irq() to xen_intx_set_irq() >> hw/pci/pci=2Ec: 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 >>=20 >> include/hw/southbridge/piix=2Eh | 1 - >> include/hw/xen/xen=2Eh | 2 +- >> hw/i386/pc_piix=2Ec | 36 +++++++++++++++++++-- >> hw/i386/xen/xen-hvm=2Ec | 2 +- >> hw/isa/piix3=2Ec | 60 +--------------------------------= -- >> hw/pci/pci=2Ec | 2 ++ >> stubs/xen-hw-stub=2Ec | 2 +- >> 7 files changed, 39 insertions(+), 66 deletions(-) >>=20 >> --=20 >> 2=2E40=2E0 >>=20 >