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

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Message-ID: <20210317163613.02cd2246@canb.auug.org.au>
Date:   Wed, 17 Mar 2021 16:36:13 +1100
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 (x86_64 allmodconfig)
failed like this:

ERROR: modpost: "rcu_read_lock_longwait_held" [kernel/rcu/rcutorture.ko] undefined!
ERROR: modpost: "rcu_read_unlock_longwait" [kernel/rcu/rcutorture.ko] undefined!
ERROR: modpost: "rcu_read_lock_longwait" [kernel/rcu/rcutorture.ko] undefined!

Caused by commit

  bd6ae31d1b1f ("rcutorture: Add the ability to torture RCU longsleep")

CONFIG_LONGWAIT_RCU=y
CONFIG_RCU_TORTURE_TEST=m

I have used the rcu tree from next-20210316 for today.

-- 
Cheers,
Stephen Rothwell

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