linux-kernel - Re: [1/2] hwmon: uniform the init style of pkgtemp

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Message-ID: <4CAEAB2D.1070501@linux.intel.com>
Date:	Fri, 08 Oct 2010 13:25:01 +0800
From:	Chen Gong <gong.chen@...ux.intel.com>
To:	Guenter Roeck <guenter.roeck@...csson.com>
CC:	"lm-sensors@...sensors.org" <lm-sensors@...sensors.org>,
	"JBeulich@...ell.com" <JBeulich@...ell.com>,
	"linux-kernel@...r.kernel.org" <linux-kernel@...r.kernel.org>
Subject: Re: [1/2] hwmon: uniform the init style of pkgtemp

于 10/8/2010 11:52 AM, Guenter Roeck 写道:
> On Thu, Oct 07, 2010 at 11:42:05PM -0400, Chen Gong wrote:
>> 于 10/2/2010 11:26 AM, Guenter Roeck 写道:
>>> On Sun, Sep 26, 2010 at 05:59:59AM -0000, Chen Gong wrote:
>>>> pkgtemp is derived from coretemp, so some reasonable
>>>> logics should be applied onto pkgtemp, too. Such as
>>>> the init logic here.
>>>>
>>>> Signed-off-by: Chen Gong<gong.chen@...ux.intel.com>
>>>> Acked-by: Jan Beulich<jbeulich@...ell.com>
>>>>
>>> Hi,
>>>
>>> this patch, when applied with CONFIG_HOTPLUG_CPU undefined, causes a compile failure
>>> because it tries to access pkgtemp_cpu_notifier which is not defined in this case.
>>>
>>> For that reason, I have removed the patch from the list of applied patches for -next.
>>> Please re-submit a version which compiles for all combinations of HOTPLUG_CPU and SMP
>>> defined/undefined.
>>>
>>> Thanks,
>>> Guenter
>>>
>> Sorry for late. I just come back from my holiday. If only this one patch
>> is applied, it is broken, but it will be OK after these 2 patches are
>> applied. I tested the patches when CONFIG_SMP is undefined, it does be
>
> Each patch by itself must be compilable, otherwise we break the ability
> to bisect. Not a good idea.

Yes, but in fact it is an existing issue, not new incoming. The 1st 
patch isn't used for this purpose.

>
>> broken again. My suggestion is adding a macro definiton in the pkgtemp.c
>> like "#include<asm/smp.h>". If it is doable, I will re-post a new patch
>> series
>
> I assume you mean to add the include directive. Yes, that should do it,
> but please make sure that it compiles.

Sure, of course

>
> Thanks,
> Guenter
>

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