linux-kernel - Re: kernel/rcu/tasks.h:1070:37: error: ‘rcu_tasks

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Date:   Wed, 18 Mar 2020 09:05:12 -0700
From:   "Paul E. McKenney" <paulmck@...nel.org>
To:     Naresh Kamboju <naresh.kamboju@...aro.org>
Cc:     Linux-Next Mailing List <linux-next@...r.kernel.org>,
        rcu@...r.kernel.org, open list <linux-kernel@...r.kernel.org>,
        josh@...htriplett.org, rostedt@...dmis.org,
        mathieu.desnoyers@...icios.com, jiangshanlai@...il.com,
        Joel Fernandes <joel@...lfernandes.org>,
        lkft-triage@...ts.linaro.org
Subject: Re: kernel/rcu/tasks.h:1070:37: error: ‘rcu_tasks_rude’ undeclared

On Wed, Mar 18, 2020 at 09:26:01PM +0530, Naresh Kamboju wrote:
> The arm64 build failed on linux-next master branch.
> 
> 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
> 
> In file included from ../kernel/rcu/update.c:562:
>  ../kernel/rcu/tasks.h: In function ‘show_rcu_tasks_gp_kthreads’:
>  ../kernel/rcu/tasks.h:1070:37: error: ‘rcu_tasks_rude’ undeclared
> (first use in this function); did you mean ‘rcu_tasks_qs’?
>   1070 |  show_rcu_tasks_generic_gp_kthread(&rcu_tasks_rude, "");
>        |                                     ^~~~~~~~~~~~~~
>        |                                     rcu_tasks_qs
>  ../kernel/rcu/tasks.h:1070:37: note: each undeclared identifier is
> reported only once for each function it appears in
> 
> Ref:
> https://gitlab.com/Linaro/lkft/kernel-runs/-/jobs/476084417

Good catch, but kbuild test robot beat you to it.  A fix is on its
way, and thank you for your testing efforts!

							Thanx, Paul