Re: [PATCH v2 3/3] x86, platform, xen, kconfig: add xen defconfig helper

[Konrad Rzeszutek Wilk]

On Mon, Jun 09, 2014 at 11:36:24AM -0700, Luis R. Rodriguez wrote:
> From: "Luis R. Rodriguez" <mcgrof@xxxxxxxx>
> 
> This lets you build a kernel which can support xen dom0
> or xen guests by just using:
> 
>    make xenconfig
> 
> Technically xen supports a dom0 kernel and also a guest
> kernel configuration but upon review with the xen team
> since we don't have many dom0 options its best to just
> combine these two into one.

Both patches look good to me. If you want to add 
Acked-by: Konrad Rzeszutek Wilk <konrad.wilk@xxxxxxxxxx>

please go ahead.

> 
> Cc: Borislav Petkov <bp@xxxxxxx>
> Cc: Pekka Enberg <penberg@xxxxxxxxxx>
> Cc: David Rientjes <rientjes@xxxxxxxxxx>
> Cc: Michal Marek <mmarek@xxxxxxx>
> Cc: Randy Dunlap <rdunlap@xxxxxxxxxxxxx>
> Cc: penberg@xxxxxxxxxx
> Cc: levinsasha928@xxxxxxxxx
> Cc: mtosatti@xxxxxxxxxx
> Cc: fengguang.wu@xxxxxxxxx
> Cc: David Vrabel <david.vrabel@xxxxxxxxxx>
> Cc: Ian Campbell <Ian.Campbell@xxxxxxxxxx>
> Cc: Konrad Rzeszutek Wilk <konrad.wilk@xxxxxxxxxx>
> Cc: xen-devel@xxxxxxxxxxxxxxxxxxxx
> Signed-off-by: Luis R. Rodriguez <mcgrof@xxxxxxxx>
> ---
>  arch/x86/Makefile           |  5 +++++
>  arch/x86/configs/xen.config | 36 ++++++++++++++++++++++++++++++++++++
>  2 files changed, 41 insertions(+)
>  create mode 100644 arch/x86/configs/xen.config
> 
> diff --git a/arch/x86/Makefile b/arch/x86/Makefile
> index 36eea65..cbd9e06 100644
> --- a/arch/x86/Makefile
> +++ b/arch/x86/Makefile
> @@ -260,6 +260,10 @@ PHONY += kvmconfig
>  kvmconfig:
>  	$(call build-virtconfig,kvm_guest.config)
>  
> +PHONY += xenconfig
> +xenconfig:
> +	$(call build-virtconfig,xen.config)
> +
>  define archhelp
>    echo  '* bzImage      - Compressed kernel image (arch/x86/boot/bzImage)'
>    echo  '  install      - Install kernel using'
> @@ -274,4 +278,5 @@ define archhelp
>    echo  '                  FDARGS="..."  arguments for the booted kernel'
>    echo  '                  FDINITRD=file initrd for the booted kernel'
>    echo  '  kvmconfig	- Enable additional options for kvm guest kernel support'
> +  echo  '  xenconfig    - Enable additional options for xen dom0 and guest kernel support'
>  endef
> diff --git a/arch/x86/configs/xen.config b/arch/x86/configs/xen.config
> new file mode 100644
> index 0000000..fbfbe5c
> --- /dev/null
> +++ b/arch/x86/configs/xen.config
> @@ -0,0 +1,36 @@
> +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_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=m
> +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=y
> +CONFIG_XEN_HAVE_PVMMU=y
> -- 
> 2.0.0.rc3.18.g00a5b79
> 
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