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From:   Naresh Kamboju <naresh.kamboju@linaro.org>
Date:   Mon, 25 Oct 2021 09:11:21 +0530
Message-ID: <CA+G9fYvoEw4WrgMa36ybVrd04sROJmhXJXKiSrN6ZVs7=hdX+w@mail.gmail.com>
Subject: kernel/sched/core.c:6299:35: error: 'struct task_struct' has no
 member named 'plug'
To:     Linux-Next Mailing List <linux-next@vger.kernel.org>,
        open list <linux-kernel@vger.kernel.org>,
        lkft-triage@lists.linaro.org
Cc:     Ingo Molnar <mingo@redhat.com>,
        Peter Zijlstra <peterz@infradead.org>,
        Juri Lelli <juri.lelli@redhat.com>,
        Vincent Guittot <vincent.guittot@linaro.org>,
        Dietmar Eggemann <Dietmar.Eggemann@arm.com>,
        Steven Rostedt <rostedt@goodmis.org>,
        Ben Segall <bsegall@google.com>, Mel Gorman <mgorman@suse.de>,
        Daniel Bristot de Oliveira <bristot@redhat.com>,
        Christian Brauner <christian@brauner.io>,
        Stephen Rothwell <sfr@canb.auug.org.au>
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Regression found on arm gcc-11 built with tinyconfig
Following build warnings / errors reported on linux next 20211022.

metadata:
    git_describe: next-20211022
    git_repo: https://gitlab.com/Linaro/lkft/mirrors/next/linux-next
    git_short_log: cf6c9d12750c (\"Add linux-next specific files for 20211022\")
    target_arch: arm
    toolchain: gcc-11

build error :
--------------
kernel/sched/core.c: In function 'sched_submit_work':
kernel/sched/core.c:6299:35: error: 'struct task_struct' has no member
named 'plug'
 6299 |                 blk_flush_plug(tsk->plug, true);
      |                                   ^~
kernel/sched/core.c: In function 'io_schedule_prepare':
kernel/sched/core.c:8331:20: error: 'struct task_struct' has no member
named 'plug'
 8331 |         if (current->plug)
      |                    ^~

Reported-by: Linux Kernel Functional Testing <lkft@linaro.org>

build link:
-----------
https://builds.tuxbuild.com/1zrAO09dMNS9qQgDFaILyvKNS3A/build.log

build config:
-------------
https://builds.tuxbuild.com/1zrAO09dMNS9qQgDFaILyvKNS3A/config

# To install tuxmake on your system globally
# sudo pip3 install -U tuxmake
tuxmake --runtime podman --target-arch arm --toolchain gcc-11
--kconfig tinyconfig

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