linux-kernel - [PATCH 01/13] workqueue: remove WORK_CPU

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Date:	Fri, 1 Feb 2013 02:41:24 +0800
From:	Lai Jiangshan <laijs@...fujitsu.com>
To:	Tejun Heo <tj@...nel.org>, linux-kernel@...r.kernel.org
Cc:	Lai Jiangshan <laijs@...fujitsu.com>
Subject: [PATCH 01/13] workqueue: remove WORK_CPU_NONE

In __next_wq_cpu() for_each_*wq_cpu(), the name WORK_CPU_LAST
is proper than WORK_CPU_NONE, convert them to WORK_CPU_LAST.

WORK_CPU_NONE is not used any more, just remove it.

Signed-off-by: Lai Jiangshan <laijs@...fujitsu.com>
---
 include/linux/workqueue.h |    3 +--
 kernel/workqueue.c        |    8 ++++----
 2 files changed, 5 insertions(+), 6 deletions(-)

diff --git a/include/linux/workqueue.h b/include/linux/workqueue.h
index a94e4e8..2dcbacc 100644
--- a/include/linux/workqueue.h
+++ b/include/linux/workqueue.h
@@ -57,8 +57,7 @@ enum {
 
 	/* special cpu IDs */
 	WORK_CPU_UNBOUND	= NR_CPUS,
-	WORK_CPU_NONE		= NR_CPUS + 1,
-	WORK_CPU_LAST		= WORK_CPU_NONE,
+	WORK_CPU_LAST		= NR_CPUS + 1,
 
 	/*
 	 * Reserve 7 bits off of cwq pointer w/ debugobjects turned
diff --git a/kernel/workqueue.c b/kernel/workqueue.c
index 577de10..973b290 100644
--- a/kernel/workqueue.c
+++ b/kernel/workqueue.c
@@ -258,7 +258,7 @@ static inline int __next_wq_cpu(int cpu, const struct cpumask *mask,
 		if (sw & 2)
 			return WORK_CPU_UNBOUND;
 	}
-	return WORK_CPU_NONE;
+	return WORK_CPU_LAST;
 }
 
 static inline int __next_cwq_cpu(int cpu, const struct cpumask *mask,
@@ -282,17 +282,17 @@ static inline int __next_cwq_cpu(int cpu, const struct cpumask *mask,
  */
 #define for_each_wq_cpu(cpu)						\
 	for ((cpu) = __next_wq_cpu(-1, cpu_possible_mask, 3);		\
-	     (cpu) < WORK_CPU_NONE;					\
+	     (cpu) < WORK_CPU_LAST;					\
 	     (cpu) = __next_wq_cpu((cpu), cpu_possible_mask, 3))
 
 #define for_each_online_wq_cpu(cpu)					\
 	for ((cpu) = __next_wq_cpu(-1, cpu_online_mask, 3);		\
-	     (cpu) < WORK_CPU_NONE;					\
+	     (cpu) < WORK_CPU_LAST;					\
 	     (cpu) = __next_wq_cpu((cpu), cpu_online_mask, 3))
 
 #define for_each_cwq_cpu(cpu, wq)					\
 	for ((cpu) = __next_cwq_cpu(-1, cpu_possible_mask, (wq));	\
-	     (cpu) < WORK_CPU_NONE;					\
+	     (cpu) < WORK_CPU_LAST;					\
 	     (cpu) = __next_cwq_cpu((cpu), cpu_possible_mask, (wq)))
 
 #ifdef CONFIG_DEBUG_OBJECTS_WORK
-- 
1.7.7.6

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