Re: [Xen-devel] [RFC v1] x86, platform, xen, kconfig: add xen defconfig helpers

[David Vrabel <david.vrabel@xxxxxxxxxx>]

On 05/06/14 01:48, Luis R. Rodriguez wrote:
> From: "Luis R. Rodriguez" <mcgrof@xxxxxxxx>
> 
> Signed-off-by: Luis R. Rodriguez <mcgrof@xxxxxxxx>
> ---
> 
> Hey folks, shiny kvm has a shortcut 'make kvmconfig' on the
> kernel, and I thought this was a good idea so wanted to add a
> respective helper for xen. Contrary to kvm though we can have
> a dom0 and a guest kernel configuration. As it is right now this
> patch bundles the same exact options for both, but figured
> folks might already have special configs for both different
> types. What options would we want as default *upstream* for each
> of these ?

This looks like a good idea but I would only have one Xen option.  There
are so few options that only apply to dom0 that it doesn't make sense to
have a dom0 option.

> --- /dev/null
> +++ b/arch/x86/configs/xen_dom0.config

Make this xen.config

> @@ -0,0 +1,37 @@
> +CONFIG_XEN=y
> +CONFIG_XEN_DOM0=y
> +CONFIG_XEN_PVHVM=y
> +CONFIG_XEN_MAX_DOMAIN_MEMORY=500
> +CONFIG_XEN_SAVE_RESTORE=y
> +# CONFIG_XEN_DEBUG_FS is not set
> +CONFIG_XEN_PVH=y
> +CONFIG_PCI_XEN=y
> +CONFIG_XEN_PCIDEV_FRONTEND=m
> +CONFIG_XEN_BLKDEV_FRONTEND=m
> +CONFIG_XEN_BLKDEV_BACKEND=m
> +CONFIG_NETXEN_NIC=m

Remove this as it isn't a Xen related option, but an ethernet driver.

> +CONFIG_XEN_NETDEV_FRONTEND=m
> +CONFIG_XEN_NETDEV_BACKEND=m
> +CONFIG_INPUT_XEN_KBDDEV_FRONTEND=y
> +CONFIG_HVC_XEN=y
> +CONFIG_HVC_XEN_FRONTEND=y
> +# CONFIG_TCG_XEN is not set

Enable as a module.

> +CONFIG_XEN_WDT=m
> +CONFIG_XEN_FBDEV_FRONTEND=y
> +CONFIG_XEN_BALLOON=y
> +CONFIG_XEN_BALLOON_MEMORY_HOTPLUG=y
> +CONFIG_XEN_SCRUB_PAGES=y
> +CONFIG_XEN_DEV_EVTCHN=m
> +CONFIG_XEN_BACKEND=y
> +CONFIG_XENFS=m
> +CONFIG_XEN_COMPAT_XENFS=y
> +CONFIG_XEN_SYS_HYPERVISOR=y
> +CONFIG_XEN_XENBUS_FRONTEND=y
> +CONFIG_XEN_GNTDEV=m
> +CONFIG_XEN_GRANT_DEV_ALLOC=m
> +CONFIG_SWIOTLB_XEN=y
> +CONFIG_XEN_PCIDEV_BACKEND=m
> +CONFIG_XEN_PRIVCMD=m
> +CONFIG_XEN_ACPI_PROCESSOR=m
> +# CONFIG_XEN_MCE_LOG is not set
> +CONFIG_XEN_HAVE_PVMMU=y

David

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