linux-kernel - Re: [PATCH 1/2] rtc: Add some dummy static inline functions

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Message-ID: <CAMz4ku+2DFxhTqcqcv_5XXwPL20jAY3TW72j+3OFQdr5JtRupw@mail.gmail.com>
Date:   Wed, 21 Sep 2016 10:01:44 +0800
From:   Baolin Wang <baolin.wang@...aro.org>
To:     Thomas Gleixner <tglx@...utronix.de>
Cc:     Alessandro Zummo <a.zummo@...ertech.it>,
        Alexandre Belloni <alexandre.belloni@...e-electrons.com>,
        Steven Rostedt <rostedt@...dmis.org>,
        Ingo Molnar <mingo@...hat.com>,
        John Stultz <john.stultz@...aro.org>,
        Mark Brown <broonie@...nel.org>,
        LKML <linux-kernel@...r.kernel.org>, rtc-linux@...glegroups.com
Subject: Re: [PATCH 1/2] rtc: Add some dummy static inline functions

Hi,

On 21 September 2016 at 05:36, Thomas Gleixner <tglx@...utronix.de> wrote:
> On Sun, 18 Sep 2016, Baolin Wang wrote:
>
>> The patch 2 in this patchset adding tracepoints for alarmtimers will build
>> failed on S390 platform, due to S390 defconfig did not define CONFIG_RTC_LIB
>> macro to define the rtc_ktime_to_tm() function which is used in this patch.
>> Thus we should add some ummy static inline functions in case CONFIG_RTC_LIB
>> is not defined.
>
> I told you before that adding these inlines has the danger that we
> introduce code which uses these functions in places which does not depend
> on RTC_LIB. The resulting wreckage is going to be subtle and hard to debug.

Make sense. (By the way I am sorry I did not receive your previous
comments in my mailbox and I checked again I found it was treated as
spam.)

>
> This still stands and this patch is going nowhere.
>
> Thanks,
>
>         tglx



-- 
Baolin.wang
Best Regards