linux-kernel - Re: linux-next: build failure after merge of the pm tree

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Message-ID: <20160722121653.GA32550@wfg-t540p.sh.intel.com>
Date:	Fri, 22 Jul 2016 20:16:53 +0800
From:	Fengguang Wu <fengguang.wu@...el.com>
To:	"Rafael J. Wysocki" <rjw@...ysocki.net>
Cc:	Steve Muckle <steve.muckle@...aro.org>,
	Stephen Rothwell <sfr@...b.auug.org.au>,
	linux-next@...r.kernel.org, linux-kernel@...r.kernel.org,
	kbuild-all@...org
Subject: Re: linux-next: build failure after merge of the pm tree

On Fri, Jul 22, 2016 at 02:08:35PM +0200, Rafael J. Wysocki wrote:
>On Thursday, July 21, 2016 07:26:28 PM Steve Muckle wrote:
>> On Fri, Jul 22, 2016 at 11:56:20AM +1000, Stephen Rothwell wrote:
>> > Hi Rafael,
>> >
>> > After merging the pm tree, today's linux-next build (arm
>> > multi_v7_defconfig) failed like this:
>> >
>> > ERROR: "cpufreq_driver_resolve_freq" [kernel/sched/cpufreq_schedutil.ko] undefined!
>> >
>> > Caused by commit
>> >
>> >   5cbea46984d6 ("cpufreq: schedutil: map raw required frequency to driver frequency")
>> >
>> > I used the pm tree from next-20160721 for today.
>>
>> Sorry - I have just sent a patch to address this.
>
>OK, thanks!
>
>Interestingly enough, that hasn't been caught by 0-day.

Sorry it's bisected to a merge commit, hence not reported..
It should be better handled in future.

tree:   git://internal_merge_and_test_tree devel-catchup-201607140443
head:   5f2b635268c560fa7a531e0bdc7765800287ab0f
commit: a868e9fc557aa84ea307d1a394a161420ac20498 [2/12] Merge 'linux-review/Steve-Muckle/cpufreq-avoid-redundant-driver-calls-in-schedutil/20160714-042907' into devel-catchup-201607140443
config: i386-randconfig-s1-201628 (attached as .config)
compiler: gcc-6 (Debian 6.1.1-1) 6.1.1 20160430
reproduce:
        git checkout a868e9fc557aa84ea307d1a394a161420ac20498
        # save the attached .config to linux build tree
        make ARCH=i386 

All errors (new ones prefixed by >>):

>> ERROR: "cpufreq_driver_resolve_freq" [kernel/sched/cpufreq_schedutil.ko] undefined!

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0-DAY kernel test infrastructure                Open Source Technology Center
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