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Message-ID: <tip-4bcfe055030d9e953945def3864f7e6997b27782@git.kernel.org>
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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