59 	u64 context_id, asid;  in a15_erratum_get_cpumask()  local
70 		asid = per_cpu(active_asids, cpu).counter;  in a15_erratum_get_cpumask()
71 		if (asid == 0)  in a15_erratum_get_cpumask()
72 			asid = per_cpu(reserved_asids, cpu);  in a15_erratum_get_cpumask()
73 		if (context_id == asid)  in a15_erratum_get_cpumask()
142 	u64 asid;  in flush_context()  local
147 		asid = atomic64_xchg(&per_cpu(active_asids, i), 0);  in flush_context()
155 		if (asid == 0)  in flush_context()
156 			asid = per_cpu(reserved_asids, i);  in flush_context()
157 		__set_bit(asid & ~ASID_MASK, asid_map);  in flush_context()
158 		per_cpu(reserved_asids, i) = asid;  in flush_context()
168 static bool check_update_reserved_asid(u64 asid, u64 newasid)  in check_update_reserved_asid()  argument
183 		if (per_cpu(reserved_asids, cpu) == asid) {  in check_update_reserved_asid()
195 	u64 asid = atomic64_read(&mm->context.id);  in new_context()  local
198 	if (asid != 0) {  in new_context()
199 		u64 newasid = generation | (asid & ~ASID_MASK);  in new_context()
205 		if (check_update_reserved_asid(asid, newasid))  in new_context()
212 		asid &= ~ASID_MASK;  in new_context()
213 		if (!__test_and_set_bit(asid, asid_map))  in new_context()
226 	asid = find_next_zero_bit(asid_map, NUM_USER_ASIDS, cur_idx);  in new_context()
227 	if (asid == NUM_USER_ASIDS) {  in new_context()
231 		asid = find_next_zero_bit(asid_map, NUM_USER_ASIDS, 1);  in new_context()
234 	__set_bit(asid, asid_map);  in new_context()
235 	cur_idx = asid;  in new_context()
237 	return asid | generation;  in new_context()
244 	u64 asid;  in check_and_switch_context()  local
256 	asid = atomic64_read(&mm->context.id);  in check_and_switch_context()
257 	if (!((asid ^ atomic64_read(&asid_generation)) >> ASID_BITS)  in check_and_switch_context()
258 	    && atomic64_xchg(&per_cpu(active_asids, cpu), asid))  in check_and_switch_context()
263 	asid = atomic64_read(&mm->context.id);  in check_and_switch_context()
264 	if ((asid ^ atomic64_read(&asid_generation)) >> ASID_BITS) {  in check_and_switch_context()
265 		asid = new_context(mm, cpu);  in check_and_switch_context()
266 		atomic64_set(&mm->context.id, asid);  in check_and_switch_context()
274 	atomic64_set(&per_cpu(active_asids, cpu), asid);  in check_and_switch_context()