Messages in this thread | | | Date | Mon, 6 Apr 2020 08:09:14 +0800 | From | kbuild test robot <> | Subject | [rcu:dev.2020.04.03a 101/101] kernel/rcu/tasks.h:251:9: error: 'struct task_struct' has no member named 'rcu_tasks_idx' |
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tree: https://git.kernel.org/pub/scm/linux/kernel/git/paulmck/linux-rcu.git dev.2020.04.03a head: 8c64539e2d8fbd96ad4bb60a96c5d9c1ef823572 commit: 8c64539e2d8fbd96ad4bb60a96c5d9c1ef823572 [101/101] squash! ftrace: Use synchronize_rcu_tasks_rude() instead of ftrace_sync() config: powerpc-defconfig (attached as .config) compiler: powerpc64-linux-gcc (GCC) 9.3.0 reproduce: wget https://raw.githubusercontent.com/intel/lkp-tests/master/sbin/make.cross -O ~/bin/make.cross chmod +x ~/bin/make.cross git checkout 8c64539e2d8fbd96ad4bb60a96c5d9c1ef823572 # save the attached .config to linux build tree GCC_VERSION=9.3.0 make.cross ARCH=powerpc
If you fix the issue, kindly add following tag as appropriate Reported-by: kbuild test robot <lkp@intel.com>
All errors (new ones prefixed by >>):
In file included from kernel/rcu/update.c:563: kernel/rcu/tasks.h: In function 'exit_tasks_rcu_start': >> kernel/rcu/tasks.h:251:9: error: 'struct task_struct' has no member named 'rcu_tasks_idx' 251 | current->rcu_tasks_idx = __srcu_read_lock(&tasks_rcu_exit_srcu); | ^~ kernel/rcu/tasks.h: In function 'exit_tasks_rcu_finish': kernel/rcu/tasks.h:263:44: error: 'struct task_struct' has no member named 'rcu_tasks_idx' 263 | __srcu_read_unlock(&tasks_rcu_exit_srcu, t->rcu_tasks_idx); | ^~
vim +251 kernel/rcu/tasks.h
dfdddf06801dcb Paul E. McKenney 2020-03-03 246 dfdddf06801dcb Paul E. McKenney 2020-03-03 247 /* Do the srcu_read_lock() for the above synchronize_srcu(). */ dfdddf06801dcb Paul E. McKenney 2020-03-03 248 void exit_tasks_rcu_start(void) __acquires(&tasks_rcu_exit_srcu) dfdddf06801dcb Paul E. McKenney 2020-03-03 249 { dfdddf06801dcb Paul E. McKenney 2020-03-03 250 preempt_disable(); dfdddf06801dcb Paul E. McKenney 2020-03-03 @251 current->rcu_tasks_idx = __srcu_read_lock(&tasks_rcu_exit_srcu); dfdddf06801dcb Paul E. McKenney 2020-03-03 252 preempt_enable(); 4dbad397293c85 Paul E. McKenney 2020-03-02 253 } dfdddf06801dcb Paul E. McKenney 2020-03-03 254
:::::: The code at line 251 was first introduced by commit :::::: dfdddf06801dcbee9f3ab515aad75421b3e3e75f rcu-tasks: Refactor RCU-tasks to allow variants to be added
:::::: TO: Paul E. McKenney <paulmck@kernel.org> :::::: CC: Paul E. McKenney <paulmck@kernel.org>
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