linux-kernel - Re: [Xen-devel] [PATCH 5/8] ACPI: add processor driver for Xen virtual CPUs.

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Message-Id: <4ED755D70200007800064987@nat28.tlf.novell.com>
Date:	Thu, 01 Dec 2011 09:24:23 +0000
From:	"Jan Beulich" <JBeulich@...e.com>
To:	<ke.yu@...el.com>, <kevin.tian@...el.com>,
	"Konrad Rzeszutek Wilk" <konrad.wilk@...cle.com>
Cc:	<stefan.bader@...onical.com>, <Ian.Campbell@...rix.com>,
	<mike.mcclurg@...rix.com>, <jeremy@...p.org>, <konrad@...nel.org>,
	<lenb@...nel.org>, <xen-devel@...ts.xensource.com>,
	<liang.tang@...cle.com>, <rjw@...k.pl>,
	<linux-acpi@...r.kernel.org>, <linux-kernel@...r.kernel.org>
Subject: Re: [Xen-devel] [PATCH 5/8] ACPI: add processor driver for Xen
 virtual CPUs.

>>> On 30.11.11 at 18:21, Konrad Rzeszutek Wilk <konrad.wilk@...cle.com> wrote:
> --- a/drivers/acpi/Makefile
> +++ b/drivers/acpi/Makefile
> @@ -66,6 +66,7 @@ obj-$(CONFIG_ACPI_CUSTOM_METHOD)+= custom_method.o
>  # processor has its own "processor." module_param namespace
>  processor-y			:= processor_driver.o processor_throttling.o
>  processor-y			+= processor_idle.o processor_thermal.o
> +processor-y			+= processor_xen.o

This should minimally be processor-$(CONFIG_XEN), with other things
adjusted as necessary.

>  processor-$(CONFIG_CPU_FREQ)	+= processor_perflib.o
>  
>  obj-$(CONFIG_ACPI_PROCESSOR_AGGREGATOR) += acpi_pad.o
>...
> --- a/drivers/xen/Kconfig
> +++ b/drivers/xen/Kconfig
> @@ -117,6 +117,11 @@ config XEN_SYS_HYPERVISOR
>  	 virtual environment, /sys/hypervisor will still be present,
>  	 but will have no xen contents.
>  
> +config ACPI_PROCESSOR_XEN
> +	tristate
> +	depends on XEN_DOM0 && ACPI_PROCESSOR && CPU_FREQ
> +	default m

default ACPI_PROCESSOR

> +
>  config XEN_XENBUS_FRONTEND
>  	tristate
>  
> diff --git a/drivers/xen/Makefile b/drivers/xen/Makefile
> index 974fffd..f67450c 100644
> --- a/drivers/xen/Makefile
> +++ b/drivers/xen/Makefile
> @@ -19,6 +19,9 @@ obj-$(CONFIG_XEN_TMEM)			+= tmem.o
>  obj-$(CONFIG_SWIOTLB_XEN)		+= swiotlb-xen.o
>  obj-$(CONFIG_XEN_DOM0)			+= pci.o
>  obj-$(CONFIG_XEN_PCIDEV_BACKEND)	+= xen-pciback/
> +ifdef CONFIG_ACPI_PROCESSOR_XEN
> +obj-$(CONFIG_ACPI_PROCESSOR)		+= acpi_processor.o
> +endif

obj-$(CONFIG_ACPI_PPROCESSOR_XEN)

Jan

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