linux-kernel - [paulmck-rcu:rcu/next 19/19] kernel/rcu/rcuscale.c:340:27: error: 'get_rcu_tasks_trace_gp_kthread' undeclared here (not in a function); did you mean 'show_rcu_tasks_trace_gp

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Message-ID: <202305190202.SIUCU7Ko-lkp@intel.com>
Date:   Fri, 19 May 2023 02:16:37 +0800
From:   kernel test robot <lkp@...el.com>
To:     "Paul E. McKenney" <paulmck@...nel.org>
Cc:     oe-kbuild-all@...ts.linux.dev, linux-kernel@...r.kernel.org
Subject: [paulmck-rcu:rcu/next 19/19] kernel/rcu/rcuscale.c:340:27: error:
 'get_rcu_tasks_trace_gp_kthread' undeclared here (not in a function); did
 you mean 'show_rcu_tasks_trace_gp_kthread'?

tree:   https://git.kernel.org/pub/scm/linux/kernel/git/paulmck/linux-rcu.git rcu/next
head:   9bb839a83e1bbbfd4f7f20827aafd0a39fad00c7
commit: 9bb839a83e1bbbfd4f7f20827aafd0a39fad00c7 [19/19] rcuscale: Measure grace-period kthread CPU time
config: x86_64-randconfig-x063
compiler: gcc-11 (Debian 11.3.0-12) 11.3.0
reproduce (this is a W=1 build):
        # https://git.kernel.org/pub/scm/linux/kernel/git/paulmck/linux-rcu.git/commit/?id=9bb839a83e1bbbfd4f7f20827aafd0a39fad00c7
        git remote add paulmck-rcu https://git.kernel.org/pub/scm/linux/kernel/git/paulmck/linux-rcu.git
        git fetch --no-tags paulmck-rcu rcu/next
        git checkout 9bb839a83e1bbbfd4f7f20827aafd0a39fad00c7
        # save the config file
        mkdir build_dir && cp config build_dir/.config
        make W=1 O=build_dir ARCH=x86_64 olddefconfig
        make W=1 O=build_dir ARCH=x86_64 SHELL=/bin/bash kernel/rcu/

If you fix the issue, kindly add following tag where applicable
| Reported-by: kernel test robot <lkp@...el.com>
| Closes: https://lore.kernel.org/oe-kbuild-all/202305190202.SIUCU7Ko-lkp@intel.com/

All errors (new ones prefixed by >>):

>> kernel/rcu/rcuscale.c:340:27: error: 'get_rcu_tasks_trace_gp_kthread' undeclared here (not in a function); did you mean 'show_rcu_tasks_trace_gp_kthread'?
     340 |         .rso_gp_kthread = get_rcu_tasks_trace_gp_kthread,
         |                           ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
         |                           show_rcu_tasks_trace_gp_kthread


vim +340 kernel/rcu/rcuscale.c

   328	
   329	static struct rcu_scale_ops tasks_tracing_ops = {
   330		.ptype		= RCU_TASKS_FLAVOR,
   331		.init		= rcu_sync_scale_init,
   332		.readlock	= tasks_trace_scale_read_lock,
   333		.readunlock	= tasks_trace_scale_read_unlock,
   334		.get_gp_seq	= rcu_no_completed,
   335		.gp_diff	= rcu_seq_diff,
   336		.async		= call_rcu_tasks_trace,
   337		.gp_barrier	= rcu_barrier_tasks_trace,
   338		.sync		= synchronize_rcu_tasks_trace,
   339		.exp_sync	= synchronize_rcu_tasks_trace,
 > 340		.rso_gp_kthread	= get_rcu_tasks_trace_gp_kthread,
   341		.name		= "tasks-tracing"
   342	};
   343	

-- 
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https://github.com/intel/lkp-tests/wiki

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