1167 static int update_partition_exclusive_flag(struct cpuset *cs, int new_prs)  in update_partition_exclusive_flag()  argument
1169 	bool exclusive = (new_prs > PRS_MEMBER);  in update_partition_exclusive_flag()
1190 	int new_prs = cs->partition_root_state;  in update_partition_sd_lb()  local
1191 	bool rebuild_domains = (new_prs > 0) || (old_prs > 0);  in update_partition_sd_lb()
1198 	if (new_prs > 0) {  in update_partition_sd_lb()
1199 		new_lb = (new_prs != PRS_ISOLATED);  in update_partition_sd_lb()
1255 static void isolated_cpus_update(int old_prs, int new_prs, struct cpumask *xcpus)  in isolated_cpus_update()  argument
1257 	WARN_ON_ONCE(old_prs == new_prs);  in isolated_cpus_update()
1258 	if (new_prs == PRS_ISOLATED)  in isolated_cpus_update()
1273 static bool partition_xcpus_add(int new_prs, struct cpuset *parent,  in partition_xcpus_add()  argument
1278 	WARN_ON_ONCE(new_prs < 0);  in partition_xcpus_add()
1287 	isolcpus_updated = (new_prs != parent->partition_root_state);  in partition_xcpus_add()
1289 		isolated_cpus_update(parent->partition_root_state, new_prs,  in partition_xcpus_add()
1429 static int remote_partition_enable(struct cpuset *cs, int new_prs,  in remote_partition_enable()  argument
1455 	isolcpus_updated = partition_xcpus_add(new_prs, NULL, tmp->new_cpus);  in remote_partition_enable()
1647 	int old_prs, new_prs;  in update_parent_effective_cpumask()  local
1662 	old_prs = new_prs = cs->partition_root_state;  in update_parent_effective_cpumask()
1675 			new_prs = -old_prs;  in update_parent_effective_cpumask()
1712 		if (prstate_housekeeping_conflict(new_prs, xcpus))  in update_parent_effective_cpumask()
1725 		new_prs = (cmd == partcmd_enable) ? PRS_ROOT : PRS_ISOLATED;  in update_parent_effective_cpumask()
1738 		new_prs = PRS_MEMBER;  in update_parent_effective_cpumask()
1852 				new_prs = -old_prs;  in update_parent_effective_cpumask()
1859 				new_prs = -old_prs;  in update_parent_effective_cpumask()
1866 	if (!adding && !deleting && (new_prs == old_prs))  in update_parent_effective_cpumask()
1875 	if ((old_prs != new_prs) && (cmd != partcmd_update))  {  in update_parent_effective_cpumask()
1876 		int err = update_partition_exclusive_flag(cs, new_prs);  in update_parent_effective_cpumask()
1890 	if (old_prs != new_prs) {  in update_parent_effective_cpumask()
1891 		cs->partition_root_state = new_prs;  in update_parent_effective_cpumask()
1892 		if (new_prs <= 0)  in update_parent_effective_cpumask()
1903 		isolcpus_updated += partition_xcpus_add(new_prs, parent,  in update_parent_effective_cpumask()
1913 	if ((old_prs != new_prs) && (cmd == partcmd_update))  in update_parent_effective_cpumask()
1914 		update_partition_exclusive_flag(cs, new_prs);  in update_parent_effective_cpumask()
2024 	int old_prs, new_prs;  in update_cpumasks_hier()  local
2032 		old_prs = new_prs = cp->partition_root_state;  in update_cpumasks_hier()
2053 			new_prs = cp->partition_root_state;  in update_cpumasks_hier()
2054 			remote = (new_prs == old_prs);  in update_cpumasks_hier()
2120 					new_prs = -cp->partition_root_state;  in update_cpumasks_hier()
2138 			new_prs = cp->partition_root_state;  in update_cpumasks_hier()
2143 		cp->partition_root_state = new_prs;  in update_cpumasks_hier()
2151 		if ((new_prs > 0) && cpumask_empty(cp->exclusive_cpus))  in update_cpumasks_hier()
2154 		else if (new_prs < 0)  in update_cpumasks_hier()
2839 static int update_prstate(struct cpuset *cs, int new_prs)  in update_prstate()  argument
2846 	if (old_prs == new_prs)  in update_prstate()
2852 	if (new_prs && is_prs_invalid(old_prs))  in update_prstate()
2858 	err = update_partition_exclusive_flag(cs, new_prs);  in update_prstate()
2889 			enum partition_cmd cmd = (new_prs == PRS_ROOT)  in update_prstate()
2894 			err = remote_partition_enable(cs, new_prs, &tmpmask);  in update_prstate()
2896 	} else if (old_prs && new_prs) {  in update_prstate()
2924 		new_prs = -new_prs;  in update_prstate()
2925 		update_partition_exclusive_flag(cs, new_prs);  in update_prstate()
2929 	cs->partition_root_state = new_prs;  in update_prstate()
2934 		isolated_cpus_update(old_prs, new_prs, cs->effective_xcpus);  in update_prstate()
2939 	update_cpumasks_hier(cs, &tmpmask, !new_prs);  in update_prstate()
2942 	WARN_ON_ONCE(!old_prs && (new_prs > 0)  in update_prstate()