linux.git/include/linux/rcu_notifier.h, branch v6.7-rc2 Linux kernel source tree rcu: Add RCU CPU stall notifier 2023-09-11T20:10:47+00:00 Paul E. McKenney paulmck@kernel.org 2023-08-15T22:46:32+00:00 5b404fdabacf4bee92d8c66013402a85f18a6a10 It is sometimes helpful to have a way for the subsystem causing the stall to dump its state when an RCU CPU stall occurs. This commit therefore bases rcu_stall_chain_notifier_register() and rcu_stall_chain_notifier_unregister() on atomic notifiers in order to provide this functionality. Signed-off-by: Paul E. McKenney <paulmck@kernel.org> Cc: Steven Rostedt <rostedt@goodmis.org> Signed-off-by: Frederic Weisbecker <frederic@kernel.org> 
It is sometimes helpful to have a way for the subsystem causing
the stall to dump its state when an RCU CPU stall occurs.  This
commit therefore bases rcu_stall_chain_notifier_register() and
rcu_stall_chain_notifier_unregister() on atomic notifiers in order to
provide this functionality.

Signed-off-by: Paul E. McKenney <paulmck@kernel.org>
Cc: Steven Rostedt <rostedt@goodmis.org>
Signed-off-by: Frederic Weisbecker <frederic@kernel.org>