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* [rcu:dev.2020.09.10a 35/35] kernel/rcu/rcutorture.c:698:20: error: 'show_rcu_tasks_classic_gp_kthread' undeclared here (not in a function)
@ 2020-09-16 17:56 kernel test robot
  2020-09-16 20:42 ` Paul E. McKenney
  0 siblings, 1 reply; 2+ messages in thread
From: kernel test robot @ 2020-09-16 17:56 UTC (permalink / raw)
  To: Paul E. McKenney; +Cc: kbuild-all, linux-kernel

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tree:   https://git.kernel.org/pub/scm/linux/kernel/git/paulmck/linux-rcu.git dev.2020.09.10a
head:   ccb38b2f3e160fbfecedbd0c80bde97a7dfcbdec
commit: ccb38b2f3e160fbfecedbd0c80bde97a7dfcbdec [35/35] rcutorture: Make grace-period kthread report match RCU flavor being tested
config: sh-allmodconfig (attached as .config)
compiler: sh4-linux-gcc (GCC) 9.3.0
reproduce (this is a W=1 build):
        wget https://raw.githubusercontent.com/intel/lkp-tests/master/sbin/make.cross -O ~/bin/make.cross
        chmod +x ~/bin/make.cross
        git checkout ccb38b2f3e160fbfecedbd0c80bde97a7dfcbdec
        # save the attached .config to linux build tree
        COMPILER_INSTALL_PATH=$HOME/0day COMPILER=gcc-9.3.0 make.cross ARCH=sh 

If you fix the issue, kindly add following tag as appropriate
Reported-by: kernel test robot <lkp@intel.com>

All errors (new ones prefixed by >>):

>> kernel/rcu/rcutorture.c:698:20: error: 'show_rcu_tasks_classic_gp_kthread' undeclared here (not in a function)
     698 |  .gp_kthread_dbg = show_rcu_tasks_classic_gp_kthread,
         |                    ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
>> kernel/rcu/rcutorture.c:768:20: error: 'show_rcu_tasks_rude_gp_kthread' undeclared here (not in a function)
     768 |  .gp_kthread_dbg = show_rcu_tasks_rude_gp_kthread,
         |                    ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
>> kernel/rcu/rcutorture.c:807:20: error: 'show_rcu_tasks_trace_gp_kthread' undeclared here (not in a function)
     807 |  .gp_kthread_dbg = show_rcu_tasks_trace_gp_kthread,
         |                    ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~

# https://git.kernel.org/pub/scm/linux/kernel/git/paulmck/linux-rcu.git/commit/?id=ccb38b2f3e160fbfecedbd0c80bde97a7dfcbdec
git remote add rcu https://git.kernel.org/pub/scm/linux/kernel/git/paulmck/linux-rcu.git
git fetch --no-tags rcu dev.2020.09.10a
git checkout ccb38b2f3e160fbfecedbd0c80bde97a7dfcbdec
vim +/show_rcu_tasks_classic_gp_kthread +698 kernel/rcu/rcutorture.c

   685	
   686	static struct rcu_torture_ops tasks_ops = {
   687		.ttype		= RCU_TASKS_FLAVOR,
   688		.init		= rcu_sync_torture_init,
   689		.readlock	= tasks_torture_read_lock,
   690		.read_delay	= rcu_read_delay,  /* just reuse rcu's version. */
   691		.readunlock	= tasks_torture_read_unlock,
   692		.get_gp_seq	= rcu_no_completed,
   693		.deferred_free	= rcu_tasks_torture_deferred_free,
   694		.sync		= synchronize_rcu_tasks,
   695		.exp_sync	= synchronize_rcu_mult_test,
   696		.call		= call_rcu_tasks,
   697		.cb_barrier	= rcu_barrier_tasks,
 > 698		.gp_kthread_dbg	= show_rcu_tasks_classic_gp_kthread,
   699		.fqs		= NULL,
   700		.stats		= NULL,
   701		.irq_capable	= 1,
   702		.slow_gps	= 1,
   703		.name		= "tasks"
   704	};
   705	
   706	/*
   707	 * Definitions for trivial CONFIG_PREEMPT=n-only torture testing.
   708	 * This implementation does not necessarily work well with CPU hotplug.
   709	 */
   710	
   711	static void synchronize_rcu_trivial(void)
   712	{
   713		int cpu;
   714	
   715		for_each_online_cpu(cpu) {
   716			rcutorture_sched_setaffinity(current->pid, cpumask_of(cpu));
   717			WARN_ON_ONCE(raw_smp_processor_id() != cpu);
   718		}
   719	}
   720	
   721	static int rcu_torture_read_lock_trivial(void) __acquires(RCU)
   722	{
   723		preempt_disable();
   724		return 0;
   725	}
   726	
   727	static void rcu_torture_read_unlock_trivial(int idx) __releases(RCU)
   728	{
   729		preempt_enable();
   730	}
   731	
   732	static struct rcu_torture_ops trivial_ops = {
   733		.ttype		= RCU_TRIVIAL_FLAVOR,
   734		.init		= rcu_sync_torture_init,
   735		.readlock	= rcu_torture_read_lock_trivial,
   736		.read_delay	= rcu_read_delay,  /* just reuse rcu's version. */
   737		.readunlock	= rcu_torture_read_unlock_trivial,
   738		.get_gp_seq	= rcu_no_completed,
   739		.sync		= synchronize_rcu_trivial,
   740		.exp_sync	= synchronize_rcu_trivial,
   741		.fqs		= NULL,
   742		.stats		= NULL,
   743		.irq_capable	= 1,
   744		.name		= "trivial"
   745	};
   746	
   747	/*
   748	 * Definitions for rude RCU-tasks torture testing.
   749	 */
   750	
   751	static void rcu_tasks_rude_torture_deferred_free(struct rcu_torture *p)
   752	{
   753		call_rcu_tasks_rude(&p->rtort_rcu, rcu_torture_cb);
   754	}
   755	
   756	static struct rcu_torture_ops tasks_rude_ops = {
   757		.ttype		= RCU_TASKS_RUDE_FLAVOR,
   758		.init		= rcu_sync_torture_init,
   759		.readlock	= rcu_torture_read_lock_trivial,
   760		.read_delay	= rcu_read_delay,  /* just reuse rcu's version. */
   761		.readunlock	= rcu_torture_read_unlock_trivial,
   762		.get_gp_seq	= rcu_no_completed,
   763		.deferred_free	= rcu_tasks_rude_torture_deferred_free,
   764		.sync		= synchronize_rcu_tasks_rude,
   765		.exp_sync	= synchronize_rcu_tasks_rude,
   766		.call		= call_rcu_tasks_rude,
   767		.cb_barrier	= rcu_barrier_tasks_rude,
 > 768		.gp_kthread_dbg	= show_rcu_tasks_rude_gp_kthread,
   769		.fqs		= NULL,
   770		.stats		= NULL,
   771		.irq_capable	= 1,
   772		.name		= "tasks-rude"
   773	};
   774	
   775	/*
   776	 * Definitions for tracing RCU-tasks torture testing.
   777	 */
   778	
   779	static int tasks_tracing_torture_read_lock(void)
   780	{
   781		rcu_read_lock_trace();
   782		return 0;
   783	}
   784	
   785	static void tasks_tracing_torture_read_unlock(int idx)
   786	{
   787		rcu_read_unlock_trace();
   788	}
   789	
   790	static void rcu_tasks_tracing_torture_deferred_free(struct rcu_torture *p)
   791	{
   792		call_rcu_tasks_trace(&p->rtort_rcu, rcu_torture_cb);
   793	}
   794	
   795	static struct rcu_torture_ops tasks_tracing_ops = {
   796		.ttype		= RCU_TASKS_TRACING_FLAVOR,
   797		.init		= rcu_sync_torture_init,
   798		.readlock	= tasks_tracing_torture_read_lock,
   799		.read_delay	= srcu_read_delay,  /* just reuse srcu's version. */
   800		.readunlock	= tasks_tracing_torture_read_unlock,
   801		.get_gp_seq	= rcu_no_completed,
   802		.deferred_free	= rcu_tasks_tracing_torture_deferred_free,
   803		.sync		= synchronize_rcu_tasks_trace,
   804		.exp_sync	= synchronize_rcu_tasks_trace,
   805		.call		= call_rcu_tasks_trace,
   806		.cb_barrier	= rcu_barrier_tasks_trace,
 > 807		.gp_kthread_dbg	= show_rcu_tasks_trace_gp_kthread,
   808		.fqs		= NULL,
   809		.stats		= NULL,
   810		.irq_capable	= 1,
   811		.slow_gps	= 1,
   812		.name		= "tasks-tracing"
   813	};
   814	

---
0-DAY CI Kernel Test Service, Intel Corporation
https://lists.01.org/hyperkitty/list/kbuild-all@lists.01.org

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^ permalink raw reply	[flat|nested] 2+ messages in thread
end of thread, other threads:[~2020-09-16 20:42 UTC | newest]

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2020-09-16 17:56 [rcu:dev.2020.09.10a 35/35] kernel/rcu/rcutorture.c:698:20: error: 'show_rcu_tasks_classic_gp_kthread' undeclared here (not in a function) kernel test robot
2020-09-16 20:42 ` Paul E. McKenney

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