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McKenney" Cc: llvm@lists.linux.dev, oe-kbuild-all@lists.linux.dev, Linux Memory Management List Subject: [linux-next:master 7890/9793] kernel/rcu/rcuscale.c:301:20: error: use of undeclared identifier 'get_rcu_tasks_gp_kthread'; did you mean 'get_rcu_tasks_trace_gp_kthread'? Message-ID: <202306141920.TTvpsXwJ-lkp@intel.com> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline X-Rspamd-Queue-Id: 829F420007 X-Rspam-User: X-Rspamd-Server: rspam05 X-Stat-Signature: hc9w6jdm9bji83cci5g8bxum3ynaewk6 X-HE-Tag: 1686742793-419658 X-HE-Meta: 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 l1EtZ64k R+1HBneqv1AcbgqK5/LeEFsCroYdXxx3TutHkRhH7leZvsbaYt7E5T+qIYw4EUSwUASwgbsZJGDunxuWE+G4VsgRL/DWIGfoPDhtUkdO5wFuPY08H6h/Ue0YVGbdu0Zk7jlX7WAiWmEZzHBenACH1avFBaEjFEvSabJH+Ia3jlqnLwjFGYwCs9Lg8NFPS+avpJZJTdvupicv7rleqi918wPKm4kyMMq1GV/Sv+TzZuATPvBOQzoRlQWua/sTtMQLw2SIWFeB1FOPHnS4gnmhwnWET9Sg9qmH06F16IrqngonY/E9rS50OPeN/u2cR1TlLiPxxYSEtfWUCaBfqCkb/2j+t7kBhWabC6rTZiG7oevbe3YIVkv6aggSgmmxm+7nyPqHzUZCzLqKJI24m/kZjr9LxjVxZY1APytiNnTXOok7ylursqpWIXGBQY6EeeptytDhLzGEuYnHhx3Q= X-Bogosity: Ham, tests=bogofilter, spamicity=0.000000, version=1.2.4 Sender: owner-linux-mm@kvack.org Precedence: bulk X-Loop: owner-majordomo@kvack.org List-ID: tree: https://git.kernel.org/pub/scm/linux/kernel/git/next/linux-next.git master head: b16049b21162bb649cdd8519642a35972b7910fe commit: df8fa2f1fc4c20cd300855a11b31ba5565f45ac6 [7890/9793] rcuscale: Measure RCU Tasks Trace grace-period kthread CPU time config: arm-randconfig-r046-20230614 (https://download.01.org/0day-ci/archive/20230614/202306141920.TTvpsXwJ-lkp@intel.com/config) compiler: clang version 17.0.0 (https://github.com/llvm/llvm-project.git 4a5ac14ee968ff0ad5d2cc1ffa0299048db4c88a) reproduce (this is a W=1 build): mkdir -p ~/bin wget https://raw.githubusercontent.com/intel/lkp-tests/master/sbin/make.cross -O ~/bin/make.cross chmod +x ~/bin/make.cross # install arm cross compiling tool for clang build # apt-get install binutils-arm-linux-gnueabi # https://git.kernel.org/pub/scm/linux/kernel/git/next/linux-next.git/commit/?id=df8fa2f1fc4c20cd300855a11b31ba5565f45ac6 git remote add linux-next https://git.kernel.org/pub/scm/linux/kernel/git/next/linux-next.git git fetch --no-tags linux-next master git checkout df8fa2f1fc4c20cd300855a11b31ba5565f45ac6 # save the config file mkdir build_dir && cp config build_dir/.config COMPILER_INSTALL_PATH=$HOME/0day COMPILER=clang ~/bin/make.cross W=1 O=build_dir ARCH=arm olddefconfig COMPILER_INSTALL_PATH=$HOME/0day COMPILER=clang ~/bin/make.cross W=1 O=build_dir ARCH=arm SHELL=/bin/bash kernel/ If you fix the issue in a separate patch/commit (i.e. not just a new version of the same patch/commit), kindly add following tags | Reported-by: kernel test robot | Closes: https://lore.kernel.org/oe-kbuild-all/202306141920.TTvpsXwJ-lkp@intel.com/ All error/warnings (new ones prefixed by >>): >> kernel/rcu/rcuscale.c:301:20: error: use of undeclared identifier 'get_rcu_tasks_gp_kthread'; did you mean 'get_rcu_tasks_trace_gp_kthread'? 301 | .rso_gp_kthread = get_rcu_tasks_gp_kthread, | ^~~~~~~~~~~~~~~~~~~~~~~~ | get_rcu_tasks_trace_gp_kthread include/linux/rcupdate_trace.h:90:21: note: 'get_rcu_tasks_trace_gp_kthread' declared here 90 | struct task_struct *get_rcu_tasks_trace_gp_kthread(void); | ^ 1 error generated. -- In file included from kernel/rcu/update.c:649: >> kernel/rcu/tasks.h:1113:21: warning: no previous prototype for function 'get_rcu_tasks_gp_kthread' [-Wmissing-prototypes] 1113 | struct task_struct *get_rcu_tasks_gp_kthread(void) | ^ kernel/rcu/tasks.h:1113:1: note: declare 'static' if the function is not intended to be used outside of this translation unit 1113 | struct task_struct *get_rcu_tasks_gp_kthread(void) | ^ | static 1 warning generated. vim +301 kernel/rcu/rcuscale.c 289 290 static struct rcu_scale_ops tasks_ops = { 291 .ptype = RCU_TASKS_FLAVOR, 292 .init = rcu_sync_scale_init, 293 .readlock = tasks_scale_read_lock, 294 .readunlock = tasks_scale_read_unlock, 295 .get_gp_seq = rcu_no_completed, 296 .gp_diff = rcu_seq_diff, 297 .async = call_rcu_tasks, 298 .gp_barrier = rcu_barrier_tasks, 299 .sync = synchronize_rcu_tasks, 300 .exp_sync = synchronize_rcu_tasks, > 301 .rso_gp_kthread = get_rcu_tasks_gp_kthread, 302 .name = "tasks" 303 }; 304 -- 0-DAY CI Kernel Test Service https://github.com/intel/lkp-tests/wiki