linux-kernel - kernel/sched/fair.c:1524:20: warning: ‘test_idle_cores’ declared ‘static’ but never defined

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Date:   Tue, 3 Mar 2020 14:42:38 +0530
From:   Naresh Kamboju <naresh.kamboju@...aro.org>
To:     open list <linux-kernel@...r.kernel.org>
Cc:     Vincent Guittot <vincent.guittot@...aro.org>,
        Ingo Molnar <mingo@...hat.com>,
        Peter Zijlstra <peterz@...radead.org>, juri.lelli@...hat.com,
        Dietmar Eggemann <dietmar.eggemann@....com>,
        rostedt@...dmis.org, bsegall@...gle.com, mgorman@...e.de,
        lkft-triage@...ts.linaro.org, anshuman.khandual@....com
Subject: kernel/sched/fair.c:1524:20: warning: ‘test_idle_cores’ declared ‘static’ but never defined

Linux next-20200303 arm64 build warnings
Please refer below links for more information.

make -sk KBUILD_BUILD_USER=TuxBuild -C/linux -j16 ARCH=arm64
CROSS_COMPILE=aarch64-linux-gnu- HOSTCC=gcc CC="sccache
aarch64-linux-gnu-gcc" O=build Image

../kernel/sched/fair.c:1524:20: warning: ‘test_idle_cores’ declared
‘static’ but never defined [-Wunused-function]
 1524 | static inline bool test_idle_cores(int cpu, bool def);
      |                    ^~~~~~~~~~~~~~~

ref:
https://gitlab.com/Linaro/lkft/kernel-runs/-/jobs/457079061
http://builds.tuxbuild.com/fBmL_h3chXb8rMVt7r0aFg/build.log
http://builds.tuxbuild.com/fBmL_h3chXb8rMVt7r0aFg/kernel.config
http://builds.tuxbuild.com/fBmL_h3chXb8rMVt7r0aFg/bmeta.json

-- 
Linaro LKFT
https://lkft.linaro.org