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| author | Paul E. McKenney <paulmck@linux.vnet.ibm.com> | 2009-11-10 13:37:20 -0800 |
|---|---|---|
| committer | Ingo Molnar <mingo@elte.hu> | 2009-11-10 22:48:49 +0100 |
| commit | 956539b75921f561c0956c22d37320780e8b4ba1 (patch) | |
| tree | 07fb3e32fe104ad89f7a7bce1636416f541fe11d /kernel/sched.c | |
| parent | dbe01350fa8ce0c11948ab7d6be71a4d901be151 (diff) | |
| download | lwn-956539b75921f561c0956c22d37320780e8b4ba1.tar.gz lwn-956539b75921f561c0956c22d37320780e8b4ba1.zip | |
rcu: Enable synchronize_sched_expedited() fastpath
This patch adds a counter increment to enable tasks to actually
take the synchronize_sched_expedited() function's fastpath.
Signed-off-by: Paul E. McKenney <paulmck@linux.vnet.ibm.com>
Cc: laijs@cn.fujitsu.com
Cc: dipankar@in.ibm.com
Cc: mathieu.desnoyers@polymtl.ca
Cc: josh@joshtriplett.org
Cc: dvhltc@us.ibm.com
Cc: niv@us.ibm.com
Cc: peterz@infradead.org
Cc: rostedt@goodmis.org
Cc: Valdis.Kletnieks@vt.edu
Cc: dhowells@redhat.com
LKML-Reference: <1257889042435-git-send-email->
Signed-off-by: Ingo Molnar <mingo@elte.hu>
Diffstat (limited to 'kernel/sched.c')
| -rw-r--r-- | kernel/sched.c | 1 |
1 files changed, 1 insertions, 0 deletions
diff --git a/kernel/sched.c b/kernel/sched.c index 76c0e9691fc0..e69fee4544bd 100644 --- a/kernel/sched.c +++ b/kernel/sched.c @@ -10865,6 +10865,7 @@ void synchronize_sched_expedited(void) spin_unlock_irqrestore(&rq->lock, flags); } rcu_expedited_state = RCU_EXPEDITED_STATE_IDLE; + synchronize_sched_expedited_count++; mutex_unlock(&rcu_sched_expedited_mutex); put_online_cpus(); if (need_full_sync) |