[rcu:rcu/next 29/29] kernel/rcu/rcutorture.c:1369:3: error: implicit declaration of function 'srcutorture_get_gp_data'

From: kbuild test robot
Date: Tue Apr 18 2017 - 21:27:39 EST


tree: https://git.kernel.org/pub/scm/linux/kernel/git/paulmck/linux-rcu.git rcu/next
head: b4d55cac0a93834e7e79143111a0b8ecea49a630
commit: b4d55cac0a93834e7e79143111a0b8ecea49a630 [29/29] srcu: Make rcutorture writer stalls print SRCU GP state
config: x86_64-randconfig-x012-201716 (attached as .config)
compiler: gcc-6 (Debian 6.2.0-3) 6.2.0 20160901
reproduce:
git checkout b4d55cac0a93834e7e79143111a0b8ecea49a630
# save the attached .config to linux build tree
make ARCH=x86_64

All errors (new ones prefixed by >>):

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,
^~~~~~~~~~~~~~~~~~~~~~~
cc1: some warnings being treated as errors

vim +/srcutorture_get_gp_data +1369 kernel/rcu/rcutorture.c

1363 int __maybe_unused flags = 0;
1364 unsigned long __maybe_unused gpnum = 0;
1365 unsigned long __maybe_unused completed = 0;
1366
1367 rcutorture_get_gp_data(cur_ops->ttype,
1368 &flags, &gpnum, &completed);
> 1369 srcutorture_get_gp_data(cur_ops->ttype, srcu_ctlp,
1370 &flags, &gpnum, &completed);
1371 wtp = READ_ONCE(writer_task);
1372 pr_alert("??? Writer stall state %s(%d) g%lu c%lu f%#x ->state %#lx\n",

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