linux-kernel - RE: [PATCH 1/2] RFC: Prepare PAD for native and xen platform

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Date:	Sun, 26 Feb 2012 08:25:41 +0000
From:	"Liu, Jinsong" <jinsong.liu@...el.com>
To:	Jan Beulich <jbeulich@...e.com>,
	"konrad.wilk@...cle.com" <konrad.wilk@...cle.com>
CC:	"keir.xen@...il.com" <keir.xen@...il.com>,
	"Brown, Len" <len.brown@...el.com>,
	"Li, Shaohua" <shaohua.li@...el.com>,
	"lenb@...nel.org" <lenb@...nel.org>,
	"xen-devel@...ts.xensource.com" <xen-devel@...ts.xensource.com>,
	"linux-acpi@...r.kernel.org" <linux-acpi@...r.kernel.org>,
	"linux-kernel@...r.kernel.org" <linux-kernel@...r.kernel.org>
Subject: RE: [PATCH 1/2] RFC: Prepare PAD for native and xen platform

Liu, Jinsong wrote:
> Jan Beulich wrote:
>>>>> "Liu, Jinsong" <jinsong.liu@...el.com> 02/23/12 2:29 PM >>>
>>> --- a/drivers/acpi/Kconfig
>>> +++ b/drivers/acpi/Kconfig
>>> @@ -213,10 +213,11 @@ config ACPI_HOTPLUG_CPU
>>>    default y
>>  >
>>> config ACPI_PROCESSOR_AGGREGATOR
>>> -    tristate "Processor Aggregator"
>>> +    bool "Processor Aggregator"
>> 
>> There must be ways to address whatever strange problem you see
>> without making this piece of code non-modular.
>> 
> 
> Yes, another approach is x86_init approach, defining acpi_pad_ops at
> x86_init.c and overwritten when xen_start_kernel. This patch is just
> a RFC patch, to evaluate which approch is more reasonable :-) 
> 

Have a more think about it, x86_init approach still need to disable acpi_pad module.
Seems we have to set acpi_pad as bool, as long as it need to hook to native acpi_pad fucs/variables.

Thanks,
Jinsong--
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