linux-kernel - Re: [PATCH 1/2] sched/fair: pelt: use u32 for util

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Message-ID: <201806050908.2NFlGuLZ%fengguang.wu@intel.com>
Date:   Tue, 5 Jun 2018 09:30:34 +0800
From:   kbuild test robot <lkp@...el.com>
To:     Patrick Bellasi <patrick.bellasi@....com>
Cc:     kbuild-all@...org, linux-kernel@...r.kernel.org,
        linux-pm@...r.kernel.org, Ingo Molnar <mingo@...hat.com>,
        Peter Zijlstra <peterz@...radead.org>,
        "Rafael J . Wysocki" <rafael.j.wysocki@...el.com>,
        Viresh Kumar <viresh.kumar@...aro.org>,
        Vincent Guittot <vincent.guittot@...aro.org>,
        Dietmar Eggemann <dietmar.eggemann@....com>,
        Morten Rasmussen <morten.rasmussen@....com>,
        Juri Lelli <juri.lelli@...hat.com>,
        Joel Fernandes <joelaf@...gle.com>,
        Steve Muckle <smuckle@...gle.com>, Todd Kjos <tkjos@...gle.com>
Subject: Re: [PATCH 1/2] sched/fair: pelt: use u32 for util_avg

Hi Patrick,

Thank you for the patch! Yet something to improve:

[auto build test ERROR on tip/sched/core]
[also build test ERROR on v4.17 next-20180604]
[if your patch is applied to the wrong git tree, please drop us a note to help improve the system]

url:    https://github.com/0day-ci/linux/commits/Patrick-Bellasi/sched-fair-pelt-use-u32-for-util_avg/20180605-082640
config: i386-defconfig (attached as .config)
compiler: gcc-7 (Debian 7.3.0-16) 7.3.0
reproduce:
        # save the attached .config to linux build tree
        make ARCH=i386 

All errors (new ones prefixed by >>):

   kernel/sched/fair.o: In function `post_init_entity_util_avg':
>> fair.c:(.text+0xa057): undefined reference to `__udivdi3'

---
0-DAY kernel test infrastructure                Open Source Technology Center
https://lists.01.org/pipermail/kbuild-all                   Intel Corporation

Download attachment ".config.gz" of type "application/gzip" (26279 bytes)