linux-kernel - Re: [kbuild-all] [PATCH v3 1/3] mfd: intel_soc

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Date:   Mon, 3 Apr 2017 15:33:17 +0100
From:   Lee Jones <lee.jones@...aro.org>
To:     Andy Shevchenko <andy.shevchenko@...il.com>
Cc:     Fengguang Wu <lkp@...el.com>,
        "linux-acpi@...r.kernel.org" <linux-acpi@...r.kernel.org>,
        Linus Walleij <linus.walleij@...aro.org>,
        "linux-pm@...r.kernel.org" <linux-pm@...r.kernel.org>,
        "Rafael J. Wysocki" <rjw@...ysocki.net>,
        "linux-kernel@...r.kernel.org" <linux-kernel@...r.kernel.org>,
        Platform Driver <platform-driver-x86@...r.kernel.org>,
        Eduardo Valentin <edubezval@...il.com>,
        "linux-gpio@...r.kernel.org" <linux-gpio@...r.kernel.org>,
        kbuild-all@...org, Zhang Rui <rui.zhang@...el.com>,
        Andy Shevchenko <andriy.shevchenko@...ux.intel.com>
Subject: Re: [kbuild-all] [PATCH v3 1/3] mfd: intel_soc_pmic: Fix a mess with
 compilation units

On Mon, 03 Apr 2017, Andy Shevchenko wrote:

> On Mon, Apr 3, 2017 at 2:06 PM, Fengguang Wu <lkp@...el.com> 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@...aro.org> wrote:
> >>> On Sun, 02 Apr 2017, Andy Shevchenko wrote:
> >>>> On Sun, Apr 2, 2017 at 11:03 PM, kbuild test robot <lkp@...el.com>
> >>>> 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.

Quite.  But as a good open source citizen, you'll follow up with
patches too, right? :)

-- 
Lee Jones
Linaro STMicroelectronics Landing Team Lead
Linaro.org │ Open source software for ARM SoCs
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