linux-kernel - Re: [PATCH v4] xen/arm: enable PV control for ARM

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Date:	Mon, 22 Jul 2013 20:32:06 -0400
From:	Konrad Rzeszutek Wilk <konrad.wilk@...cle.com>
To:	Julien Grall <julien.grall@...aro.org>,
	stefano.stabellini@...citrix.com
CC:	ian.campbell@...rix.com, patches@...aro.org,
	linux-arm-kernel@...ts.infradead.org, linux-kernel@...r.kernel.org,
	xen-devel@...ts.xen.org
Subject: Re: [PATCH v4] xen/arm: enable PV control for ARM

Julien Grall <julien.grall@...aro.org> wrote:
>Enable power management from the toolstack for ARM guest.
>
>Signed-off-by: Julien Grall <julien.grall@...aro.org>
>
>---
>    Changes in v4:
>        - Divide the patch in 2 distinct parts
>    Changes in v3:
>        - Fix condition to compile cpu_hotplug.o
>    Changes in v2:
>        - Don't compile xen/cpu_hotplug.o with ARM64
>---
> drivers/xen/Makefile |    3 +--
> 1 file changed, 1 insertion(+), 2 deletions(-)
>
>diff --git a/drivers/xen/Makefile b/drivers/xen/Makefile
>index a609353..f185e8d 100644
>--- a/drivers/xen/Makefile
>+++ b/drivers/xen/Makefile
>@@ -1,9 +1,8 @@
> ifeq ($(filter y, $(CONFIG_ARM) $(CONFIG_ARM64)),)
>-obj-y	+= manage.o
> obj-$(CONFIG_HOTPLUG_CPU)		+= cpu_hotplug.o
> endif
> 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)

The patch looks Ok but the description is off.  Power management is the term used for cpu freq,  C states and P states. While this patch touches none of that. 
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