linux-kernel - linux-next: build failure after merge of the rcu tree

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Message-ID: <20210422141016.656f50bc@canb.auug.org.au>
Date:   Thu, 22 Apr 2021 14:10:16 +1000
From:   Stephen Rothwell <sfr@...b.auug.org.au>
To:     "Paul E. McKenney" <paulmck@...nel.org>
Cc:     Linux Kernel Mailing List <linux-kernel@...r.kernel.org>,
        Linux Next Mailing List <linux-next@...r.kernel.org>
Subject: linux-next: build failure after merge of the rcu tree

Hi all,

After merging the rcu tree, today's linux-next build (arm
multi_v7_defconfig) failed like this:

In file included from kernel/rcu/update.c:584:
kernel/rcu/tasks.h:1404:20: error: static declaration of 'show_rcu_tasks_gp_kthreads' follows non-static declaration
 1404 | static inline void show_rcu_tasks_gp_kthreads(void) {}
      |                    ^~~~~~~~~~~~~~~~~~~~~~~~~~
In file included from kernel/rcu/update.c:49:
kernel/rcu/rcu.h:440:6: note: previous declaration of 'show_rcu_tasks_gp_kthreads' was here
  440 | void show_rcu_tasks_gp_kthreads(void);
      |      ^~~~~~~~~~~~~~~~~~~~~~~~~~

Caused by commit

  4bf02dd6048d ("tasks-rcu: Make show_rcu_tasks_gp_kthreads() be static inline")

I have used the rcu tree from next-20210421 for today.

-- 
Cheers,
Stephen Rothwell

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