Re: [Xen-devel] [PATCH] x86: Convert shadow-paging to Kconfig

["Jan Beulich" <JBeulich@xxxxxxxx>]

>>> On 18.01.16 at 19:40, <andrew.cooper3@xxxxxxxxxx> wrote:
> --- a/xen/arch/x86/mm/shadow/Makefile
> +++ b/xen/arch/x86/mm/shadow/Makefile
> @@ -1,4 +1,4 @@
> -ifeq ($(shadow-paging),y)
> +ifdef CONFIG_SHADOW_PAGING
>  obj-y += common.o guest_2.o guest_3.o guest_4.o
>  else
>  obj-y += none.o

Why didn't you retain the ifeq? The way it's now, accidental
definition of the macro elsewhere would alter behavior. In fact
I think the better thing here would be to change this to purely
list model:

obj-y := none.o
obj-$(CONFIG_SHADOW_PAGING) := common.o guest_2.o guest_3.o guest_4.o

Not sure why I didn't do that right when making this configurable...

Jan


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