When we create a new pool via get_unbound_pool() when freezing. the pool->flags' POOL_FREEZING is incorrect.
Fix it by adding POOL_FREEZING if workqueue_freezing. (wq_mutex is already held for accessing workqueue_freezing.) Signed-off-by: Lai Jiangshan <[email protected]> --- kernel/workqueue.c | 3 +++ 1 files changed, 3 insertions(+), 0 deletions(-) diff --git a/kernel/workqueue.c b/kernel/workqueue.c index e38d035..40f4017 100644 --- a/kernel/workqueue.c +++ b/kernel/workqueue.c @@ -3503,6 +3503,9 @@ static struct worker_pool *get_unbound_pool(const struct workqueue_attrs *attrs) if (!pool || init_worker_pool(pool) < 0) goto fail; + if (workqueue_freezing) + pool->flags |= POOL_FREEZING; + lockdep_set_subclass(&pool->lock, 1); /* see put_pwq() */ copy_workqueue_attrs(pool->attrs, attrs); -- 1.7.7.6 -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to [email protected] More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/
