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authorLai Jiangshan <laijs@cn.fujitsu.com>2013-03-26 00:57:19 +0100
committerTejun Heo <tj@kernel.org>2013-03-26 00:57:19 +0100
commita357fc03262988f2aa6c4a668b89be22b11ff1e7 (patch)
tree01a7064d6684ba992bc77cbac6a184497f40110c /Documentation
parentworkqueue: protect wq->pwqs and iteration with wq->mutex (diff)
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workqueue: protect wq->saved_max_active with wq->mutex
We're expanding wq->mutex to cover all fields specific to each workqueue with the end goal of replacing pwq_lock which will make locking simpler and easier to understand. This patch makes wq->saved_max_active protected by wq->mutex instead of pwq_lock. As pwq_lock locking around pwq_adjust_mac_active() is no longer necessary, this patch also replaces pwq_lock lockings of for_each_pwq() around pwq_adjust_max_active() to wq->mutex. tj: Rebased on top of the current dev branch. Updated description. Signed-off-by: Lai Jiangshan <laijs@cn.fujitsu.com> Signed-off-by: Tejun Heo <tj@kernel.org>
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