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workqueue: replace WORK_CPU_NONE/LAST with WORK_CPU_END

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Now that workqueue has moved away from gcwqs, workqueue no longer has
the need to have a CPU identifier indicating "no cpu associated" - we
now use WORK_OFFQ_POOL_NONE instead - and most uses of WORK_CPU_NONE
are gone.

The only left usage is as the end marker for for_each_*wq*()
iterators, where the name WORK_CPU_NONE is confusing w/o actual
WORK_CPU_NONE usages.  Similarly, WORK_CPU_LAST which equals
WORK_CPU_NONE no longer makes sense.

Replace both WORK_CPU_NONE and LAST with WORK_CPU_END.  This patch
doesn't introduce any functional difference.

tj: s/WORK_CPU_LAST/WORK_CPU_END/ and rewrote the description.

Signed-off-by: Lai Jiangshan <laijs@cn.fujitsu.com>
Signed-off-by: Tejun Heo <tj@kernel.org>
This commit is contained in:
Lai Jiangshan 2013-02-06 18:04:53 -08:00 • committed by Tejun Heo
parent 706026c214
commit 6be195886a
2 changed files with 6 additions and 7 deletions
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3
include/linux/workqueue.h
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@ -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_END = NR_CPUS + 1,
/*
* Reserve 7 bits off of cwq pointer w/ debugobjects turned