linux-kernel - [ammarfaizi2-block:paulmck/linux-rcu/dev.2022.04.18a 22/22] kernel/rcu/tree_nocb.h:1162:14: error: 'rcu_nocb_is_setup' undeclared; did you mean 'rcu_nocb

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Date:   Thu, 21 Apr 2022 14:41:04 +0800
From:   kernel test robot <lkp@...el.com>
To:     Joel Fernandes <joel@...lfernandes.org>
Cc:     kbuild-all@...ts.01.org,
        GNU/Weeb Mailing List <gwml@...r.gnuweeb.org>,
        linux-kernel@...r.kernel.org,
        "Paul E. McKenney" <paulmck@...nel.org>
Subject: [ammarfaizi2-block:paulmck/linux-rcu/dev.2022.04.18a 22/22]
 kernel/rcu/tree_nocb.h:1162:14: error: 'rcu_nocb_is_setup' undeclared; did
 you mean 'rcu_nocb_setup'?

tree:   https://github.com/ammarfaizi2/linux-block paulmck/linux-rcu/dev.2022.04.18a
head:   d6932dca19b1a7cbccad9d4acede8229e61cf97a
commit: d6932dca19b1a7cbccad9d4acede8229e61cf97a [22/22] rcu/nocb: Add an option to offload all CPUs on boot
config: mips-allyesconfig (https://download.01.org/0day-ci/archive/20220421/202204210054.ZtsFVPYs-lkp@intel.com/config)
compiler: mips-linux-gcc (GCC) 11.2.0
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
        # https://github.com/ammarfaizi2/linux-block/commit/d6932dca19b1a7cbccad9d4acede8229e61cf97a
        git remote add ammarfaizi2-block https://github.com/ammarfaizi2/linux-block
        git fetch --no-tags ammarfaizi2-block paulmck/linux-rcu/dev.2022.04.18a
        git checkout d6932dca19b1a7cbccad9d4acede8229e61cf97a
        # save the config file
        mkdir build_dir && cp config build_dir/.config
        COMPILER_INSTALL_PATH=$HOME/0day COMPILER=gcc-11.2.0 make.cross W=1 O=build_dir ARCH=mips SHELL=/bin/bash

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

All errors (new ones prefixed by >>):

   In file included from kernel/rcu/tree.c:5031:
   kernel/rcu/tree_nocb.h: In function 'rcu_init_nohz':
>> kernel/rcu/tree_nocb.h:1162:14: error: 'rcu_nocb_is_setup' undeclared (first use in this function); did you mean 'rcu_nocb_setup'?
    1162 |         if (!rcu_nocb_is_setup) {
         |              ^~~~~~~~~~~~~~~~~
         |              rcu_nocb_setup
   kernel/rcu/tree_nocb.h:1162:14: note: each undeclared identifier is reported only once for each function it appears in


vim +1162 kernel/rcu/tree_nocb.h

  1153	
  1154	void __init rcu_init_nohz(void)
  1155	{
  1156		int cpu;
  1157		bool need_rcu_nocb_mask = false;
  1158		bool offload_all = false;
  1159		struct rcu_data *rdp;
  1160	
  1161	#if defined(CONFIG_RCU_NOCB_CPU_DEFAULT_ALL)
> 1162		if (!rcu_nocb_is_setup) {
  1163			need_rcu_nocb_mask = true;
  1164			offload_all = true;
  1165		}
  1166	#endif
  1167	

-- 
0-DAY CI Kernel Test Service
https://01.org/lkp