kernel-ark/kernel/rcu
Alexei Starovoitov 46f00d18fc rcu: Make rcu_is_watching() really notrace
Although rcu_is_watching() is marked notrace, it invokes preempt_disable()
and preempt_enable(), both of which can be traced.  This defeats the
purpose of the notrace on rcu_is_watching(), so this commit substitutes
preempt_disable_notrace() and preempt_enable_notrace().

Signed-off-by: Alexei Starovoitov <ast@plumgrid.com>
Signed-off-by: Paul E. McKenney <paulmck@linux.vnet.ibm.com>
Acked-by: Steven Rostedt <rostedt@goodmis.org>
2015-07-22 15:27:31 -07:00
..
Makefile rcu: Make SRCU optional by using CONFIG_SRCU 2015-01-06 11:04:29 -08:00
rcu.h tiny_rcu: Directly force QS when call_rcu_[bh|sched]() on idle_task 2015-01-06 11:01:12 -08:00
rcutorture.c rcu: Add RCU-sched flavors of get-state and cond-sync 2015-07-22 15:26:58 -07:00
srcu.c rcu: Change return type to bool 2015-07-15 14:43:53 -07:00
tiny_plugin.h rcu: Convert ACCESS_ONCE() to READ_ONCE() and WRITE_ONCE() 2015-05-27 12:56:15 -07:00
tiny.c This patch series contains several clean ups and even a new trace clock 2015-06-26 14:02:43 -07:00
tree_plugin.h rcu: Fix obsolete priority-boosting comment 2015-07-22 15:27:28 -07:00
tree_trace.c rcu: Convert ACCESS_ONCE() to READ_ONCE() and WRITE_ONCE() 2015-05-27 12:56:15 -07:00
tree.c rcu: Make rcu_is_watching() really notrace 2015-07-22 15:27:31 -07:00
tree.h Merge branches 'array.2015.05.27a', 'doc.2015.05.27a', 'fixes.2015.05.27a', 'hotplug.2015.05.27a', 'init.2015.05.27a', 'tiny.2015.05.27a' and 'torture.2015.05.27a' into HEAD 2015-05-27 13:00:49 -07:00
update.c rcu: Create a synchronize_rcu_mult() 2015-07-22 15:27:29 -07:00