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Avoid recursive locks in fill_queue.

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This commit is contained in:
Con Kolivas 2013-04-15 10:30:12 +10:00
parent ec9390dc4e
commit 29f0ac77da
1 changed files with 10 additions and 6 deletions
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14
cgminer.c
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@ -5728,15 +5728,19 @@ static void fill_queue(struct thr_info *mythr, struct cgpu_info *cgpu, struct de
{
thread_reportout(mythr);
do {
struct work *work;
bool need_work;
rd_lock(&cgpu->qlock);
need_work = (HASH_COUNT(cgpu->queued_work) == cgpu->queued_count);
rd_unlock(&cgpu->qlock);
if (need_work) {
struct work *work = get_work(mythr, thr_id);
wr_lock(&cgpu->qlock);
if (HASH_COUNT(cgpu->queued_work) == cgpu->queued_count) {
work = get_work(mythr, thr_id);
work->device_diff = MIN(drv->max_diff, work->work_difficulty);
HASH_ADD_INT(cgpu->queued_work, id, work);
}
wr_unlock(&cgpu->qlock);
}
/* The queue_full function should be used by the driver to
* actually place work items on the physical device if it
* does have a queue. */