lists.openwall.net | lists / announce owl-users owl-dev john-users john-dev passwdqc-users yescrypt popa3d-users / oss-security kernel-hardening musl sabotage tlsify passwords / crypt-dev xvendor / Bugtraq Full-Disclosure linux-kernel linux-netdev linux-ext4 linux-hardening PHC | |
Open Source and information security mailing list archives
| ||
|
Date: Sun, 19 Mar 2023 15:05:43 +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:dev.2023.03.17a 33/38] kernel/rcu/tasks.h:140:20: warning: 'tasks_rcu_exit_srcu' defined but not used tree: https://git.kernel.org/pub/scm/linux/kernel/git/paulmck/linux-rcu.git dev.2023.03.17a head: 19d218a4b125a4dce12eb88097a9c55f7126ce8c commit: 61eea4556e8cf92d4c9b483110a679d2652aa451 [33/38] srcu: Move work-scheduling fields from srcu_struct to srcu_usage config: x86_64-kexec (https://download.01.org/0day-ci/archive/20230319/202303191536.XzMSyzTl-lkp@intel.com/config) compiler: gcc-11 (Debian 11.3.0-8) 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=61eea4556e8cf92d4c9b483110a679d2652aa451 git remote add paulmck-rcu https://git.kernel.org/pub/scm/linux/kernel/git/paulmck/linux-rcu.git git fetch --no-tags paulmck-rcu dev.2023.03.17a git checkout 61eea4556e8cf92d4c9b483110a679d2652aa451 # 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/ If you fix the issue, kindly add following tag where applicable | Reported-by: kernel test robot <lkp@...el.com> | Link: https://lore.kernel.org/oe-kbuild-all/202303191536.XzMSyzTl-lkp@intel.com/ All warnings (new ones prefixed by >>): In file included from include/linux/srcu.h:49, from include/linux/notifier.h:16, from arch/x86/include/asm/uprobes.h:13, from include/linux/uprobes.h:49, from include/linux/mm_types.h:16, from include/linux/sched/signal.h:13, from kernel/rcu/update.c:26: >> kernel/rcu/tasks.h:140:20: warning: 'tasks_rcu_exit_srcu' defined but not used [-Wunused-variable] 140 | DEFINE_STATIC_SRCU(tasks_rcu_exit_srcu); | ^~~~~~~~~~~~~~~~~~~ include/linux/srcutree.h:184:38: note: in definition of macro '__DEFINE_SRCU' 184 | is_static struct srcu_struct name = \ | ^~~~ kernel/rcu/tasks.h:140:1: note: in expansion of macro 'DEFINE_STATIC_SRCU' 140 | DEFINE_STATIC_SRCU(tasks_rcu_exit_srcu); | ^~~~~~~~~~~~~~~~~~ vim +/tasks_rcu_exit_srcu +140 kernel/rcu/tasks.h 07e105158d97b4 Paul E. McKenney 2020-03-02 138 eacd6f04a13331 Paul E. McKenney 2020-03-02 139 /* Track exiting tasks in order to allow them to be waited for. */ eacd6f04a13331 Paul E. McKenney 2020-03-02 @140 DEFINE_STATIC_SRCU(tasks_rcu_exit_srcu); eacd6f04a13331 Paul E. McKenney 2020-03-02 141 :::::: The code at line 140 was first introduced by commit :::::: eacd6f04a1333187dd3e96e5635c0edce0a2e354 rcu-tasks: Move Tasks RCU to its own file :::::: TO: Paul E. McKenney <paulmck@...nel.org> :::::: CC: Paul E. McKenney <paulmck@...nel.org> -- 0-DAY CI Kernel Test Service https://github.com/intel/lkp-tests
Powered by blists - more mailing lists