Re: [PATCH v3] xen/arm: enable PV control for ARM

[Mark Rutland]

Hi,

[Adding Catalin to Cc]

On Mon, Jul 22, 2013 at 11:57:34AM +0100, Julien Grall wrote:
> Enable power management from the toolstack for ARM guest.
> 
> Signed-off-by: Julien Grall <julien.grall@xxxxxxxxxx>
> 
> ---
>     Changes in v3:
>         - Fix condition to compile cpu_hotplug.o
>     Changes in v2:
>         - Don't compile xen/cpu_hotplug.o with ARM64

My arm64 cpu hotplug series is going to be dependent on not compiling
xen/cpu_hotplug.o. Currently I'm not able to compile an arm64 kernel
with my patches and Xen support.

How do you intend to push this? I'd like to ensure my cpu hotplug series
is able to go in for the next merge window.

> ---
>  drivers/xen/Makefile |    5 ++---
>  1 file changed, 2 insertions(+), 3 deletions(-)
> 
> diff --git a/drivers/xen/Makefile b/drivers/xen/Makefile
> index 2bf461a..f185e8d 100644
> --- a/drivers/xen/Makefile
> +++ b/drivers/xen/Makefile
> @@ -1,9 +1,8 @@
> -ifneq ($(CONFIG_ARM),y)
> -obj-y	+= manage.o
> +ifeq ($(filter y, $(CONFIG_ARM) $(CONFIG_ARM64)),)
>  obj-$(CONFIG_HOTPLUG_CPU)		+= cpu_hotplug.o
>  endif

Might it make sense to enable this based on a list the architectures
that actually need this, rather than disabling it based on the list of
architectures that don't?

Thanks,
Mark.

>  obj-$(CONFIG_X86)			+= fallback.o
> -obj-y	+= grant-table.o features.o events.o balloon.o time.o
> +obj-y	+= grant-table.o features.o events.o balloon.o time.o manage.o
>  obj-y	+= xenbus/
>  
>  nostackp := $(call cc-option, -fno-stack-protector)
> -- 
> 1.7.10.4
> 
> 
> _______________________________________________
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> linux-arm-kernel@xxxxxxxxxxxxxxxxxxx
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> 
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