[PATCH v3 06/12] locking/ww_mutex: Add waiters in stamp order

From: Nicolai Hähnle Add regular waiters in stamp order. Keep adding waiters that have no context in FIFO order and take care not to starve them. While adding our task as a waiter, back off if we detect that there is a waiter with a lower stamp in front of us. Make

[PATCH v3 06/12] locking/ww_mutex: Add waiters in stamp order

From: Nicolai Hähnle Add regular waiters in stamp order. Keep adding waiters that have no context in FIFO order and take care not to starve them. While adding our task as a waiter, back off if we detect that there is a waiter with a lower stamp in front of us. Make sure to call lock_contended