46 	u64 asid;  in flush_context()  local
58 		asid = atomic64_xchg_relaxed(&per_cpu(active_asids, i), 0);  in flush_context()
66 		if (asid == 0)  in flush_context()
67 			asid = per_cpu(reserved_asids, i);  in flush_context()
68 		__set_bit(asid & ~ASID_MASK, asid_map);  in flush_context()
69 		per_cpu(reserved_asids, i) = asid;  in flush_context()
79 static bool check_update_reserved_asid(u64 asid, u64 newasid)  in check_update_reserved_asid()  argument
94 		if (per_cpu(reserved_asids, cpu) == asid) {  in check_update_reserved_asid()
106 	u64 asid = atomic64_read(&mm->context.id);  in new_context()  local
109 	if (asid != 0) {  in new_context()
110 		u64 newasid = generation | (asid & ~ASID_MASK);  in new_context()
116 		if (check_update_reserved_asid(asid, newasid))  in new_context()
123 		asid &= ~ASID_MASK;  in new_context()
124 		if (!__test_and_set_bit(asid, asid_map))  in new_context()
134 	asid = find_next_zero_bit(asid_map, NUM_USER_ASIDS, cur_idx);  in new_context()
135 	if (asid != NUM_USER_ASIDS)  in new_context()
144 	asid = find_next_zero_bit(asid_map, NUM_USER_ASIDS, 1);  in new_context()
147 	__set_bit(asid, asid_map);  in new_context()
148 	cur_idx = asid;  in new_context()
149 	return asid | generation;  in new_context()
155 	u64 asid;  in check_and_switch_context()  local
157 	asid = atomic64_read(&mm->context.id);  in check_and_switch_context()
166 	if (!((asid ^ atomic64_read(&asid_generation)) >> asid_bits)  in check_and_switch_context()
167 	    && atomic64_xchg_relaxed(&per_cpu(active_asids, cpu), asid))  in check_and_switch_context()
172 	asid = atomic64_read(&mm->context.id);  in check_and_switch_context()
173 	if ((asid ^ atomic64_read(&asid_generation)) >> asid_bits) {  in check_and_switch_context()
174 		asid = new_context(mm, cpu);  in check_and_switch_context()
175 		atomic64_set(&mm->context.id, asid);  in check_and_switch_context()
181 	atomic64_set(&per_cpu(active_asids, cpu), asid);  in check_and_switch_context()