Re: [kbuild-all] [PATCH v3 1/3] mfd: intel_soc_pmic: Fix a mess with compilation units

[Andy Shevchenko]

On Mon, Apr 3, 2017 at 2:06 PM, Fengguang Wu <lkp@xxxxxxxxx> wrote:
> On Mon, Apr 03, 2017 at 12:26:54PM +0300, Andy Shevchenko wrote:
>> On Mon, Apr 3, 2017 at 12:20 PM, Lee Jones <lee.jones@xxxxxxxxxx> wrote:
>>> On Sun, 02 Apr 2017, Andy Shevchenko wrote:
>>>> On Sun, Apr 2, 2017 at 11:03 PM, kbuild test robot <lkp@xxxxxxxxx>
>>>> wrote:
>>>> > Hi Andy,
>>>> >
>>>> > [auto build test ERROR on ljones-mfd/for-mfd-next]
>>>> > [also build test ERROR on v4.11-rc4 next-20170331]
>>>> > [if your patch is applied to the wrong git tree, please drop us a note
>>>> > to help improve the system]
>>>>
>>>> Thank you for report, though...

>>>> ...I doubt how below is related to my patch. This is obvious x86 code
>>>> which was initially submitted without
>>>> depend on X86
>>>> line in corresponding Kconfig.
>>>
>>>
>>> I think you should probably specify the architecture in the Kconfig
>>> entry, or else some `randconfig`s will fail.
>>
>>
>> Yes, I understand how to fix this, though it's not a problem of this
>> patch per se.
>>
>> Fengguang, is there any possible way to determine the relation between
>> an error and a root cause change?
>
>
> Andy, our 0day build error reports are all bisected ones. It means the
> error happens since the reported patch/commit, which is either
> responsible for the root cause, or somehow triggers (or changes the
> exact form of) an old bug.

Thanks, like you said in this case it looks pretty much for triggering
an old bug.

-- 
With Best Regards,
Andy Shevchenko