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linux/kernel/rcu
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Paul E. McKenney 06f60de19d rcu: Short-circuit synchronize_sched_expedited() if only one CPU 
If there is only one CPU, then invoking synchronize_sched_expedited()
is by definition a grace period.  This commit checks for this condition
and does a short-circuit return in that case.

Signed-off-by: Paul E. McKenney <paulmck@linux.vnet.ibm.com>
2015-12-04 12:26:50 -08:00
..
Makefile rcu: Create rcu_sync infrastructure 2015-10-06 11:25:04 -07:00
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 Merge branches 'doc.2015.10.06a', 'percpu-rwsem.2015.10.06a' and 'torture.2015.10.06a' into HEAD 2015-10-07 16:06:25 -07:00
srcu.c rcu: Move preemption disabling out of __srcu_read_lock() 2015-10-06 11:15:43 -07:00
sync.c rcu_sync: Cleanup the CONFIG_PROVE_RCU checks 2015-10-06 11:25:45 -07:00
tiny.c rcu: Use rcu_callback_t in call_rcu*() and friends 2015-10-06 11:08:05 -07:00
tiny_plugin.h rcu: Convert ACCESS_ONCE() to READ_ONCE() and WRITE_ONCE() 2015-05-27 12:56:15 -07:00
tree.c rcu: Short-circuit synchronize_sched_expedited() if only one CPU 2015-12-04 12:26:50 -08:00
tree.h rcu: Create transitive rnp->lock acquisition functions 2015-11-23 10:37:35 -08:00
tree_plugin.h rcu: Add transitivity to remaining rcu_node ->lock acquisitions 2015-11-23 10:37:35 -08:00
tree_trace.c rcu: Add transitivity to remaining rcu_node ->lock acquisitions 2015-11-23 10:37:35 -08:00
update.c rcu: Use rcu_callback_t in call_rcu*() and friends 2015-10-06 11:08:05 -07:00