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workqueue: annotate lock context change

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Some of internal functions called within gcwq->lock context releases and
regrabs the lock but were missing proper annotations. Add it.

Signed-off-by: Namhyung Kim <namhyung@gmail.com>
Signed-off-by: Tejun Heo <tj@kernel.org>
This commit is contained in:
Namhyung Kim 2010-08-22 23:19:42 +09:00 committed by Tejun Heo
parent 8d9df9f084
commit 06bd6ebffa
1 changed files with 6 additions and 0 deletions
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6
kernel/workqueue.c
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@ -1485,6 +1485,8 @@ static void gcwq_mayday_timeout(unsigned long __gcwq)
* otherwise.
*/
static bool maybe_create_worker(struct global_cwq *gcwq)
__releases(&gcwq->lock)
__acquires(&gcwq->lock)
{
if (!need_to_create_worker(gcwq))
return false;
@ -1722,6 +1724,8 @@ static void cwq_dec_nr_in_flight(struct cpu_workqueue_struct *cwq, int color)
* spin_lock_irq(gcwq->lock) which is released and regrabbed.
*/
static void process_one_work(struct worker *worker, struct work_struct *work)
__releases(&gcwq->lock)
__acquires(&gcwq->lock)
{
struct cpu_workqueue_struct *cwq = get_work_cwq(work);
struct global_cwq *gcwq = cwq->gcwq;
@ -3230,6 +3234,8 @@ static int __cpuinit trustee_thread(void *__gcwq)
* multiple times. To be used by cpu_callback.
*/
static void __cpuinit wait_trustee_state(struct global_cwq *gcwq, int state)
__releases(&gcwq->lock)
__acquires(&gcwq->lock)
{
if (!(gcwq->trustee_state == state ||
gcwq->trustee_state == TRUSTEE_DONE)) {