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rcu: Consolidate expedited GP code into exp_funnel_lock()

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This commit pulls the grace-period-start counter adjustment and tracing
from synchronize_rcu_expedited() and synchronize_sched_expedited()
into exp_funnel_lock(), thus eliminating some code duplication.

Signed-off-by: Paul E. McKenney <paulmck@linux.vnet.ibm.com>
This commit is contained in:
Paul E. McKenney
2016-03-16 16:32:24 -07:00
parent 179e5dcd1e
commit aff12cdf86
2 changed files with 2 additions and 6 deletions
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3
kernel/rcu/tree_plugin.h
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@@ -751,9 +751,6 @@ void synchronize_rcu_expedited(void)
if (exp_funnel_lock(rsp, s))
return; /* Someone else did our work for us. */
rcu_exp_gp_seq_start(rsp);
trace_rcu_exp_grace_period(rsp->name, s, TPS("start"));
/* Initialize the rcu_node tree in preparation for the wait. */
sync_rcu_exp_select_cpus(rsp, sync_rcu_exp_handler);