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

From: Stefano Stabellini
Date: Tue Jul 23 2013 - 07:37:16 EST


On Mon, 22 Jul 2013, Konrad Rzeszutek Wilk wrote:
> Julien Grall <julien.grall@xxxxxxxxxx> wrote:
> >Enable power management from the toolstack for ARM guest.
> >
> >Signed-off-by: Julien Grall <julien.grall@xxxxxxxxxx>
> >
> >---
> > 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.
>

That's a very x86-centric view of the world, but it's true that manage.c
is about shutdown, restart and other operations that don't fit under
"power management".
It could benefit from a better description.
--
To unsubscribe from this list: send the line "unsubscribe linux-kernel" in
the body of a message to majordomo@xxxxxxxxxxxxxxx
More majordomo info at http://vger.kernel.org/majordomo-info.html
Please read the FAQ at http://www.tux.org/lkml/