linux-kernel - [tip:core/rcu] rcu: Rename dynticks_completed to completed

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Date:	Tue, 10 Nov 2009 22:28:13 GMT
From:	"tip-bot for Paul E. McKenney" <paulmck@...ux.vnet.ibm.com>
To:	linux-tip-commits@...r.kernel.org
Cc:	linux-kernel@...r.kernel.org, paulmck@...ux.vnet.ibm.com,
	hpa@...or.com, mingo@...hat.com, tglx@...utronix.de, mingo@...e.hu
Subject: [tip:core/rcu] rcu: Rename dynticks_completed to completed_fqs

Commit-ID:  4bcfe055030d9e953945def3864f7e6997b27782
Gitweb:     http://git.kernel.org/tip/4bcfe055030d9e953945def3864f7e6997b27782
Author:     Paul E. McKenney <paulmck@...ux.vnet.ibm.com>
AuthorDate: Tue, 10 Nov 2009 13:37:21 -0800
Committer:  Ingo Molnar <mingo@...e.hu>
CommitDate: Tue, 10 Nov 2009 22:48:50 +0100

rcu: Rename dynticks_completed to completed_fqs

This field is used whether or not CONFIG_NO_HZ is set, so the
old name of ->dynticks_completed is quite misleading.

Change to ->completed_fqs, given that it the value that
force_quiescent_state() is trying to drive the ->completed field
away from.

Signed-off-by: Paul E. McKenney <paulmck@...ux.vnet.ibm.com>
Cc: laijs@...fujitsu.com
Cc: dipankar@...ibm.com
Cc: mathieu.desnoyers@...ymtl.ca
Cc: josh@...htriplett.org
Cc: dvhltc@...ibm.com
Cc: niv@...ibm.com
Cc: peterz@...radead.org
Cc: rostedt@...dmis.org
Cc: Valdis.Kletnieks@...edu
Cc: dhowells@...hat.com
LKML-Reference: <12578890423298-git-send-email->
Signed-off-by: Ingo Molnar <mingo@...e.hu>
---
 kernel/rcutree.c |    4 ++--
 kernel/rcutree.h |    4 ++--
 2 files changed, 4 insertions(+), 4 deletions(-)

diff --git a/kernel/rcutree.c b/kernel/rcutree.c
index ec007dd..26fc780 100644
--- a/kernel/rcutree.c
+++ b/kernel/rcutree.c
@@ -187,7 +187,7 @@ static struct rcu_node *rcu_get_root(struct rcu_state *rsp)
  */
 static void dyntick_record_completed(struct rcu_state *rsp, long comp)
 {
-	rsp->dynticks_completed = comp;
+	rsp->completed_fqs = comp;
 }
 
 #ifdef CONFIG_SMP
@@ -197,7 +197,7 @@ static void dyntick_record_completed(struct rcu_state *rsp, long comp)
  */
 static long dyntick_recall_completed(struct rcu_state *rsp)
 {
-	return rsp->dynticks_completed;
+	return rsp->completed_fqs;
 }
 
 /*
diff --git a/kernel/rcutree.h b/kernel/rcutree.h
index ddb79ec..17a28a0 100644
--- a/kernel/rcutree.h
+++ b/kernel/rcutree.h
@@ -264,6 +264,8 @@ struct rcu_state {
 	long orphan_qlen;			/* Number of orphaned cbs. */
 	spinlock_t fqslock;			/* Only one task forcing */
 						/*  quiescent states. */
+	long	completed_fqs;			/* Value of completed @ snap. */
+						/*  Protected by fqslock. */
 	unsigned long jiffies_force_qs;		/* Time at which to invoke */
 						/*  force_quiescent_state(). */
 	unsigned long n_force_qs;		/* Number of calls to */
@@ -278,8 +280,6 @@ struct rcu_state {
 	unsigned long jiffies_stall;		/* Time at which to check */
 						/*  for CPU stalls. */
 #endif /* #ifdef CONFIG_RCU_CPU_STALL_DETECTOR */
-	long dynticks_completed;		/* Value of completed @ snap. */
-						/*  Protected by fqslock. */
 };
 
 #ifdef RCU_TREE_NONCORE
--
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