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

From	Stephen Rothwell <sfr@canb.auug.org.au>
Newsgroups	linux.kernel
Subject	linux-next: build failure after merge of the rcu tree
Date	2017-04-19 06:00 +0200
Message-ID	<txOWB-6Hj-1@gated-at.bofh.it> (permalink)
Organization	linux.* mail to news gateway

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Hi Paul,

After merging the rcu tree, today's linux-next build (x86_64 allmodconfig)
failed like this:

kernel/rcu/rcutorture.c: In function 'rcu_torture_stats_print':
kernel/rcu/rcutorture.c:1369:3: error: implicit declaration of function 'srcutorture_get_gp_data' [-Werror=implicit-function-declaration]
   srcutorture_get_gp_data(cur_ops->ttype, srcu_ctlp,
   ^

Caused by commit

  b4d55cac0a93 ("srcu: Make rcutorture writer stalls print SRCU GP state")

This config has CONFIG_CLASSIC_SRCU=y and CONFIG_RCU_TORTURE_TEST=m, so
CONFIG_RCU_TORTURE_TEST is not defined - CONFIG_RCU_TORTURE_TEST_MODULE
is defined.  You probably want to protect srcutorture_get_gp_data() with
IS_ENABLED(CONFIG_RCU_TORTURE_TEST) instead.

I have used the rcu tree from next-20170418 for today.

-- 
Cheers,
Stephen Rothwell

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linux-next: build failure after merge of the rcu tree Stephen Rothwell <sfr@canb.auug.org.au> - 2017-04-19 06:00 +0200
  Re: linux-next: build failure after merge of the rcu tree "Paul E. McKenney" <paulmck@linux.vnet.ibm.com> - 2017-04-19 06:10 +0200
    Re: linux-next: build failure after merge of the rcu tree Stephen Rothwell <sfr@canb.auug.org.au> - 2017-04-19 07:50 +0200

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