linux-kernel - Re: [PATCH] xen/arm64: Don't compile cpu hotplug

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Date:	Tue, 23 Jul 2013 10:35:13 +0100
From:	Mark Rutland <mark.rutland@....com>
To:	Julien Grall <julien.grall@...aro.org>
Cc:	"stefano.stabellini@...citrix.com" <stefano.stabellini@...citrix.com>,
	"konrad.wilk@...cle.com" <konrad.wilk@...cle.com>,
	"ian.campbell@...rix.com" <ian.campbell@...rix.com>,
	"patches@...aro.org" <patches@...aro.org>,
	"linux-arm-kernel@...ts.infradead.org" 
	<linux-arm-kernel@...ts.infradead.org>,
	"linux-kernel@...r.kernel.org" <linux-kernel@...r.kernel.org>,
	"xen-devel@...ts.xen.org" <xen-devel@...ts.xen.org>,
	Catalin Marinas <Catalin.Marinas@....com>
Subject: Re: [PATCH] xen/arm64: Don't compile cpu hotplug

On Mon, Jul 22, 2013 at 10:40:58PM +0100, Julien Grall wrote:
> On ARM64, when CONFIG_XEN=y, the compilation will fail because CPU hotplug is
> not yet supported with XEN. For now, disable it.
> 
> Signed-off-by: Julien Grall <julien.grall@...aro.org>

With this applied I'm able to build an arm64 kernel with both
CONFIG_HOTPLUG_CPU (from local patches) and CONFIG_XEN.

Acked-by: Mark Rutland <mark.rutland@....com>

Cheers,
Mark.

> ---
>  drivers/xen/Makefile |    2 +-
>  1 file changed, 1 insertion(+), 1 deletion(-)
> 
> diff --git a/drivers/xen/Makefile b/drivers/xen/Makefile
> index 2bf461a..a609353 100644
> --- a/drivers/xen/Makefile
> +++ b/drivers/xen/Makefile
> @@ -1,4 +1,4 @@
> -ifneq ($(CONFIG_ARM),y)
> +ifeq ($(filter y, $(CONFIG_ARM) $(CONFIG_ARM64)),)
>  obj-y	+= manage.o
>  obj-$(CONFIG_HOTPLUG_CPU)		+= cpu_hotplug.o
>  endif
> -- 
> 1.7.10.4
> 
> 
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