Hello, On Tue, Apr 22, 2014 at 09:47:47AM +0800, Lai Jiangshan wrote: > Testing workqueue_freezing requires wq_pool_mutex held. > Although almost-all pwq_adjust_max_active() are called with wq_pool_mutex > held, > except workqueue_set_max_active(). But I hope pwq_adjust_max_active() > don't require the heavy wq_pool_mutex.
No it doesn't require wq_pool_mutex to be held. All it requires is that the changed state is visible on the subsequent pwq_adjust_max_active() invocatino which is already trivially guaranteed. Thanks. -- tejun -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majord...@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/
