kernel/printk/nbcon.c

102  * context. The new owner is supposed to reprint the entire interrupted record
109  * @new:	The new state to write
114 static inline void nbcon_state_set(struct console *con, struct nbcon_state *new)
116 	atomic_set(&ACCESS_PRIVATE(con, nbcon_state), new->atom);
133  * @new:	New state
138 					   struct nbcon_state *new)
140 	return atomic_try_cmpxchg(&ACCESS_PRIVATE(con, nbcon_state), &cur->atom, new->atom);
184  * @new_seq:	The new sequence number to set
186  * @ctxt->seq is updated to the new value of @con::nbcon_seq (expanded to
231 	struct nbcon_state new;
249 		new.atom = cur->atom;
250 		new.prio	= ctxt->prio;
251 		new.req_prio	= NBCON_PRIO_NONE;
252 		new.unsafe	= cur->unsafe_takeover;
253 		new.cpu		= cpu;
255 	} while (!nbcon_state_try_cmpxchg(con, cur, &new));
292  * Return:	0 on success and @cur is updated to the new console state.
311 	struct nbcon_state new;
334 	new.atom = cur->atom;
335 	new.prio	= ctxt->prio;
336 	new.req_prio	= NBCON_PRIO_NONE;
337 	new.unsafe	= cur->unsafe_takeover;
338 	new.cpu		= cpu;
340 	if (!nbcon_state_try_cmpxchg(con, cur, &new)) {
394 	struct nbcon_state new;
424 	new.atom = cur->atom;
425 	new.req_prio = ctxt->prio;
426 	if (!nbcon_state_try_cmpxchg(con, cur, &new))
429 	cur->atom = new.atom;
454 		 * No need to remove request if there is a new waiter. This
462 		new.atom = cur->atom;
463 		new.req_prio = NBCON_PRIO_NONE;
464 		if (nbcon_state_try_cmpxchg(con, cur, &new)) {
469 			cur->atom = new.atom;
500 	struct nbcon_state new;
517 		new.atom = cur->atom;
518 		new.cpu			= cpu;
519 		new.prio		= ctxt->prio;
520 		new.unsafe		|= cur->unsafe_takeover;
521 		new.unsafe_takeover	|= cur->unsafe;
523 	} while (!nbcon_state_try_cmpxchg(con, cur, &new));
609 	struct nbcon_state new;
617 		new.atom = cur.atom;
618 		new.prio = NBCON_PRIO_NONE;
624 		new.unsafe |= cur.unsafe_takeover;
626 	} while (!nbcon_state_try_cmpxchg(con, &cur, &new));
743  * @unsafe:	The new value for the unsafe bit
763 	struct nbcon_state new;
778 		new.atom = cur.atom;
779 		new.unsafe = unsafe;
780 	} while (!nbcon_state_try_cmpxchg(con, &cur, &new));
782 	cur.atom = new.atom;