Lines Matching refs:id

97 static unsigned int steal_context_smp(unsigned int id)
107 		mm = context_mm[id];
113 			id++;
114 			if (id > LAST_CONTEXT)
115 				id = FIRST_CONTEXT;
120 		mm->context.id = MMU_NO_CONTEXT;
131 					__set_bit(id, stale_map[i]);
135 		return id;
153 	unsigned int id;
155 	for (id = FIRST_CONTEXT; id <= LAST_CONTEXT; id++) {
157 		mm = context_mm[id];
160 		mm->context.id = MMU_NO_CONTEXT;
161 		if (id != FIRST_CONTEXT) {
162 			context_mm[id] = NULL;
163 			__clear_bit(id, context_map);
166 			__clear_bit(id, stale_map[cpu]);
182 static unsigned int steal_context_up(unsigned int id)
188 	mm = context_mm[id];
194 	mm->context.id = MMU_NO_CONTEXT;
198 		__clear_bit(id, stale_map[cpu]);
200 	return id;
203 static void set_context(unsigned long id, pgd_t *pgd)
217 		mtspr(SPRN_M_CASID, id - 1);
222 		mtspr(SPRN_PID, id);
230 	unsigned int id;
249 	id = next->context.id;
250 	if (likely(id != MMU_NO_CONTEXT))
254 	id = next_context;
255 	if (id > LAST_CONTEXT)
256 		id = FIRST_CONTEXT;
262 			id = steal_context_smp(id);
263 			if (id == MMU_NO_CONTEXT)
268 			id = steal_all_contexts();
270 			id = steal_context_up(id);
276 	while (__test_and_set_bit(id, map)) {
277 		id = find_next_zero_bit(map, LAST_CONTEXT+1, id);
278 		if (id > LAST_CONTEXT)
279 			id = FIRST_CONTEXT;
282 	next_context = id + 1;
283 	context_mm[id] = next;
284 	next->context.id = id;
291 	if (IS_ENABLED(CONFIG_SMP) && test_bit(id, stale_map[cpu])) {
298 				__clear_bit(id, stale_map[i]);
305 	set_context(id, next->pgd);
307 	tsk->thread.pid = id;
317 	mm->context.id = MMU_NO_CONTEXT;
329 	unsigned int id;
331 	if (mm->context.id == MMU_NO_CONTEXT)
337 	id = mm->context.id;
338 	if (id != MMU_NO_CONTEXT) {
339 		__clear_bit(id, context_map);
340 		mm->context.id = MMU_NO_CONTEXT;
341 		context_mm[id] = NULL;