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RE: [Xen-devel] [PATCH-for-5.0 v3 6/6] hw/pci-host: Add Kconfig entry to
From: |
Durrant, Paul |
Subject: |
RE: [Xen-devel] [PATCH-for-5.0 v3 6/6] hw/pci-host: Add Kconfig entry to select the IGD Passthrough Host Bridge |
Date: |
Mon, 9 Dec 2019 10:10:35 +0000 |
> -----Original Message-----
> From: Xen-devel <address@hidden> On Behalf Of
> Philippe Mathieu-Daudé
> Sent: 09 December 2019 09:50
> To: address@hidden
> Cc: Thomas Huth <address@hidden>; Stefano Stabellini
> <address@hidden>; Michael S. Tsirkin <address@hidden>; Paul
> Durrant <address@hidden>; Markus Armbruster <address@hidden>; Alex
> Williamson <address@hidden>; Marcel Apfelbaum
> <address@hidden>; Paolo Bonzini <address@hidden>; Anthony
> Perard <address@hidden>; address@hidden;
> Philippe Mathieu-Daudé <address@hidden>
> Subject: [Xen-devel] [PATCH-for-5.0 v3 6/6] hw/pci-host: Add Kconfig entry
> to select the IGD Passthrough Host Bridge
>
> Add the XEN_IGD_PASSTHROUGH Kconfig option.
>
> Xen build has that option selected by default. Non-Xen builds now
> have to select this feature manually.
>
> Signed-off-by: Philippe Mathieu-Daudé <address@hidden>
> ---
> v3: Only default with Xen (Alex Williamson)
>
> I did not used 'depends on XEN' as suggested by Alex but
> 'default y if XEN', so one can build XEN without this feature
> (for example, on other ARCH than X86).
Allowing it to be compiled out for Xen builds is quite reasonable IMO. I don't
believe it is widely used.
Acked-by: Paul Durrant <address@hidden>
> ---
> hw/pci-host/Kconfig | 5 +++++
> hw/pci-host/Makefile.objs | 2 +-
> 2 files changed, 6 insertions(+), 1 deletion(-)
>
> diff --git a/hw/pci-host/Kconfig b/hw/pci-host/Kconfig
> index b0aa8351c4..24ba8ea046 100644
> --- a/hw/pci-host/Kconfig
> +++ b/hw/pci-host/Kconfig
> @@ -1,6 +1,11 @@
> config PAM
> bool
>
> +config XEN_IGD_PASSTHROUGH
> + bool
> + default y if XEN
> + select PCI_I440FX
> +
> config PREP_PCI
> bool
> select PCI
> diff --git a/hw/pci-host/Makefile.objs b/hw/pci-host/Makefile.objs
> index fa6d1556c0..9c466fab01 100644
> --- a/hw/pci-host/Makefile.objs
> +++ b/hw/pci-host/Makefile.objs
> @@ -14,7 +14,7 @@ common-obj-$(CONFIG_VERSATILE_PCI) += versatile.o
> common-obj-$(CONFIG_PCI_SABRE) += sabre.o
> common-obj-$(CONFIG_FULONG) += bonito.o
> common-obj-$(CONFIG_PCI_I440FX) += i440fx.o
> -common-obj-$(CONFIG_PCI_I440FX) += xen_igd_pt.o
> +common-obj-$(CONFIG_XEN_IGD_PASSTHROUGH) += xen_igd_pt.o
> common-obj-$(CONFIG_PCI_EXPRESS_Q35) += q35.o
> common-obj-$(CONFIG_PCI_EXPRESS_GENERIC_BRIDGE) += gpex.o
> common-obj-$(CONFIG_PCI_EXPRESS_XILINX) += xilinx-pcie.o
> --
> 2.21.0
>
>
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- [PATCH-for-5.0 v3 2/6] hw/pci-host/i440fx: Extract PCII440FXState to "hw/pci-host/i440fx.h", (continued)
- [PATCH-for-5.0 v3 2/6] hw/pci-host/i440fx: Extract PCII440FXState to "hw/pci-host/i440fx.h", Philippe Mathieu-Daudé, 2019/12/09
- [PATCH-for-5.0 v3 3/6] hw/pci-host/i440fx: Use size_t to iterate over ARRAY_SIZE(), Philippe Mathieu-Daudé, 2019/12/09
- [PATCH-for-5.0 v3 4/6] hw/pci-host/i440fx: Use definitions instead of magic values, Philippe Mathieu-Daudé, 2019/12/09
- [PATCH-for-5.0 v3 5/6] hw/pci-host/i440fx: Extract the IGD passthrough host bridge device, Philippe Mathieu-Daudé, 2019/12/09
- [PATCH-for-5.0 v3 6/6] hw/pci-host: Add Kconfig entry to select the IGD Passthrough Host Bridge, Philippe Mathieu-Daudé, 2019/12/09
Re: [PATCH-for-5.0 v3 0/6] hw/pci-host: Add Kconfig selector for IGD PCIe pass-through, no-reply, 2019/12/09
Re: [PATCH-for-5.0 v3 0/6] hw/pci-host: Add Kconfig selector for IGD PCIe pass-through, no-reply, 2019/12/09