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From: Valentin Schneider <valentin.schneider@arm.com>
To: kernel test robot <lkp@intel.com>, linux-kernel@vger.kernel.org
Cc: llvm@lists.linux.dev, kbuild-all@lists.01.org, Peter Zijlstra <peterz@infradead.org>, Ingo Molnar <mingo@kernel.org>, Frederic Weisbecker <frederic@kernel.org>
Subject: Re: [PATCH] sched: Tweak default dynamic preempt mode selection
In-Reply-To: <202111061341.QdauxAuH-lkp@intel.com>
References: <20211105104035.3112162-1-valentin.schneider@arm.com> <202111061341.QdauxAuH-lkp@intel.com>
Date: Mon, 08 Nov 2021 12:00:17 +0000
Message-ID: <878rxyeu26.mognet@arm.com>
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On 06/11/21 13:05, kernel test robot wrote:
>    kernel/sched/core.c:3439:6: error: no previous prototype for function 'sched_set_stop_task' [-Werror,-Wmissing-prototypes]
>    void sched_set_stop_task(int cpu, struct task_struct *stop)
>         ^
>    kernel/sched/core.c:3439:1: note: declare 'static' if the function is not intended to be used outside of this translation unit
>    void sched_set_stop_task(int cpu, struct task_struct *stop)
>    ^
>    static
>>> kernel/sched/core.c:6576:2: error: use of undeclared identifier '__SCT__preempt_schedule'
>            static_call_update(preempt_schedule, __preempt_schedule_func);
>            ^

Doh, I broke the

  PREEMPT_DYNAMIC
    select PREEMPT

thing - the above happens with PREEMPT_DYNAMIC && !PREEMPT. Lemme fix.

From mboxrd@z Thu Jan  1 00:00:00 1970
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From: Valentin Schneider <valentin.schneider@arm.com>
To: kbuild-all@lists.01.org
Subject: Re: [PATCH] sched: Tweak default dynamic preempt mode selection
Date: Mon, 08 Nov 2021 12:00:17 +0000
Message-ID: <878rxyeu26.mognet@arm.com>
In-Reply-To: <202111061341.QdauxAuH-lkp@intel.com>
List-Id: <oe-kbuild-all.lists.linux.dev>

--===============4593850040878122863==
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On 06/11/21 13:05, kernel test robot wrote:
>    kernel/sched/core.c:3439:6: error: no previous prototype for function =
'sched_set_stop_task' [-Werror,-Wmissing-prototypes]
>    void sched_set_stop_task(int cpu, struct task_struct *stop)
>         ^
>    kernel/sched/core.c:3439:1: note: declare 'static' if the function is =
not intended to be used outside of this translation unit
>    void sched_set_stop_task(int cpu, struct task_struct *stop)
>    ^
>    static
>>> kernel/sched/core.c:6576:2: error: use of undeclared identifier '__SCT_=
_preempt_schedule'
>            static_call_update(preempt_schedule, __preempt_schedule_func);
>            ^

Doh, I broke the

  PREEMPT_DYNAMIC
    select PREEMPT

thing - the above happens with PREEMPT_DYNAMIC && !PREEMPT. Lemme fix.
--===============4593850040878122863==--