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authorPaul E. McKenney <paulmck@linux.vnet.ibm.com>2009-11-10 22:37:20 +0100
committerIngo Molnar <mingo@elte.hu>2009-11-10 22:48:49 +0100
commit956539b75921f561c0956c22d37320780e8b4ba1 (patch)
tree07fb3e32fe104ad89f7a7bce1636416f541fe11d /kernel/sched.c
parentrcu: Remove inline from forward-referenced functions (diff)
downloadlinux-956539b75921f561c0956c22d37320780e8b4ba1.tar.xz
linux-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 '')
-rw-r--r--kernel/sched.c1
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)