diff --git a/Documentation/cpusets.txt b/Documentation/cpusets.txt
index b875d231ac748c64129865b8b4c130c929b474c1..ec9de6917f01f34c088cd612121caaadc3edf08b 100644
--- a/Documentation/cpusets.txt
+++ b/Documentation/cpusets.txt
@@ -87,9 +87,6 @@ This can be especially valuable on:
       and a database), or
     * NUMA systems running large HPC applications with demanding
       performance characteristics.
-    * Also cpu_exclusive cpusets are useful for servers running orthogonal
-      workloads such as RT applications requiring low latency and HPC
-      applications that are throughput sensitive
 
 These subsets, or "soft partitions" must be able to be dynamically
 adjusted, as the job mix changes, without impacting other concurrently
@@ -132,8 +129,6 @@ Cpusets extends these two mechanisms as follows:
  - A cpuset may be marked exclusive, which ensures that no other
    cpuset (except direct ancestors and descendents) may contain
    any overlapping CPUs or Memory Nodes.
-   Also a cpu_exclusive cpuset would be associated with a sched
-   domain.
  - You can list all the tasks (by pid) attached to any cpuset.
 
 The implementation of cpusets requires a few, simple hooks
@@ -145,9 +140,6 @@ into the rest of the kernel, none in performance critical paths:
    allowed in that tasks cpuset.
  - in sched.c migrate_all_tasks(), to keep migrating tasks within
    the CPUs allowed by their cpuset, if possible.
- - in sched.c, a new API partition_sched_domains for handling
-   sched domain changes associated with cpu_exclusive cpusets
-   and related changes in both sched.c and arch/ia64/kernel/domain.c
  - in the mbind and set_mempolicy system calls, to mask the requested
    Memory Nodes by what's allowed in that tasks cpuset.
  - in page_alloc.c, to restrict memory to allowed nodes.
@@ -232,15 +224,6 @@ If a cpuset is cpu or mem exclusive, no other cpuset, other than
 a direct ancestor or descendent, may share any of the same CPUs or
 Memory Nodes.
 
-A cpuset that is cpu_exclusive has a scheduler (sched) domain
-associated with it.  The sched domain consists of all CPUs in the
-current cpuset that are not part of any exclusive child cpusets.
-This ensures that the scheduler load balancing code only balances
-against the CPUs that are in the sched domain as defined above and
-not all of the CPUs in the system. This removes any overhead due to
-load balancing code trying to pull tasks outside of the cpu_exclusive
-cpuset only to be prevented by the tasks' cpus_allowed mask.
-
 A cpuset that is mem_exclusive restricts kernel allocations for
 page, buffer and other data commonly shared by the kernel across
 multiple users.  All cpusets, whether mem_exclusive or not, restrict
diff --git a/include/linux/sched.h b/include/linux/sched.h
index 285ee4827a3c98573119f1ab801d8b5e7634897d..592e3a55f818fe328222a6051d6a51c5c15ecfae 100644
--- a/include/linux/sched.h
+++ b/include/linux/sched.h
@@ -729,9 +729,6 @@ struct sched_domain {
 #endif
 };
 
-extern int partition_sched_domains(cpumask_t *partition1,
-				    cpumask_t *partition2);
-
 #endif	/* CONFIG_SMP */
 
 /*
diff --git a/kernel/cpuset.c b/kernel/cpuset.c
index e196510aa40f6975310655450030c9d28a4b1e12..0864f4097930e1195450c4359c144e96369786e9 100644
--- a/kernel/cpuset.c
+++ b/kernel/cpuset.c
@@ -754,61 +754,6 @@ static int validate_change(const struct cpuset *cur, const struct cpuset *trial)
 	return 0;
 }
 
-/*
- * For a given cpuset cur, partition the system as follows
- * a. All cpus in the parent cpuset's cpus_allowed that are not part of any
- *    exclusive child cpusets
- * b. All cpus in the current cpuset's cpus_allowed that are not part of any
- *    exclusive child cpusets
- * Build these two partitions by calling partition_sched_domains
- *
- * Call with manage_mutex held.  May nest a call to the
- * lock_cpu_hotplug()/unlock_cpu_hotplug() pair.
- * Must not be called holding callback_mutex, because we must
- * not call lock_cpu_hotplug() while holding callback_mutex.
- */
-
-static void update_cpu_domains(struct cpuset *cur)
-{
-	struct cpuset *c, *par = cur->parent;
-	cpumask_t pspan, cspan;
-
-	if (par == NULL || cpus_empty(cur->cpus_allowed))
-		return;
-
-	/*
-	 * Get all cpus from parent's cpus_allowed not part of exclusive
-	 * children
-	 */
-	pspan = par->cpus_allowed;
-	list_for_each_entry(c, &par->children, sibling) {
-		if (is_cpu_exclusive(c))
-			cpus_andnot(pspan, pspan, c->cpus_allowed);
-	}
-	if (!is_cpu_exclusive(cur)) {
-		cpus_or(pspan, pspan, cur->cpus_allowed);
-		if (cpus_equal(pspan, cur->cpus_allowed))
-			return;
-		cspan = CPU_MASK_NONE;
-	} else {
-		if (cpus_empty(pspan))
-			return;
-		cspan = cur->cpus_allowed;
-		/*
-		 * Get all cpus from current cpuset's cpus_allowed not part
-		 * of exclusive children
-		 */
-		list_for_each_entry(c, &cur->children, sibling) {
-			if (is_cpu_exclusive(c))
-				cpus_andnot(cspan, cspan, c->cpus_allowed);
-		}
-	}
-
-	lock_cpu_hotplug();
-	partition_sched_domains(&pspan, &cspan);
-	unlock_cpu_hotplug();
-}
-
 /*
  * Call with manage_mutex held.  May take callback_mutex during call.
  */
@@ -816,7 +761,7 @@ static void update_cpu_domains(struct cpuset *cur)
 static int update_cpumask(struct cpuset *cs, char *buf)
 {
 	struct cpuset trialcs;
-	int retval, cpus_unchanged;
+	int retval;
 
 	/* top_cpuset.cpus_allowed tracks cpu_online_map; it's read-only */
 	if (cs == &top_cpuset)
@@ -843,12 +788,9 @@ static int update_cpumask(struct cpuset *cs, char *buf)
 	retval = validate_change(cs, &trialcs);
 	if (retval < 0)
 		return retval;
-	cpus_unchanged = cpus_equal(cs->cpus_allowed, trialcs.cpus_allowed);
 	mutex_lock(&callback_mutex);
 	cs->cpus_allowed = trialcs.cpus_allowed;
 	mutex_unlock(&callback_mutex);
-	if (is_cpu_exclusive(cs) && !cpus_unchanged)
-		update_cpu_domains(cs);
 	return 0;
 }
 
@@ -1085,7 +1027,7 @@ static int update_flag(cpuset_flagbits_t bit, struct cpuset *cs, char *buf)
 {
 	int turning_on;
 	struct cpuset trialcs;
-	int err, cpu_exclusive_changed;
+	int err;
 
 	turning_on = (simple_strtoul(buf, NULL, 10) != 0);
 
@@ -1098,14 +1040,10 @@ static int update_flag(cpuset_flagbits_t bit, struct cpuset *cs, char *buf)
 	err = validate_change(cs, &trialcs);
 	if (err < 0)
 		return err;
-	cpu_exclusive_changed =
-		(is_cpu_exclusive(cs) != is_cpu_exclusive(&trialcs));
 	mutex_lock(&callback_mutex);
 	cs->flags = trialcs.flags;
 	mutex_unlock(&callback_mutex);
 
-	if (cpu_exclusive_changed)
-                update_cpu_domains(cs);
 	return 0;
 }
 
@@ -1965,17 +1903,6 @@ static int cpuset_mkdir(struct inode *dir, struct dentry *dentry, int mode)
 	return cpuset_create(c_parent, dentry->d_name.name, mode | S_IFDIR);
 }
 
-/*
- * Locking note on the strange update_flag() call below:
- *
- * If the cpuset being removed is marked cpu_exclusive, then simulate
- * turning cpu_exclusive off, which will call update_cpu_domains().
- * The lock_cpu_hotplug() call in update_cpu_domains() must not be
- * made while holding callback_mutex.  Elsewhere the kernel nests
- * callback_mutex inside lock_cpu_hotplug() calls.  So the reverse
- * nesting would risk an ABBA deadlock.
- */
-
 static int cpuset_rmdir(struct inode *unused_dir, struct dentry *dentry)
 {
 	struct cpuset *cs = dentry->d_fsdata;
@@ -1995,13 +1922,6 @@ static int cpuset_rmdir(struct inode *unused_dir, struct dentry *dentry)
 		mutex_unlock(&manage_mutex);
 		return -EBUSY;
 	}
-	if (is_cpu_exclusive(cs)) {
-		int retval = update_flag(CS_CPU_EXCLUSIVE, cs, "0");
-		if (retval < 0) {
-			mutex_unlock(&manage_mutex);
-			return retval;
-		}
-	}
 	parent = cs->parent;
 	mutex_lock(&callback_mutex);
 	set_bit(CS_REMOVED, &cs->flags);
diff --git a/kernel/sched.c b/kernel/sched.c
index 78c8fbd373a39046304c908d4d35d29ad130c25f..0da2b2635c54b0257ceb3dcbdc49a8b9a5840762 100644
--- a/kernel/sched.c
+++ b/kernel/sched.c
@@ -6348,35 +6348,6 @@ static void detach_destroy_domains(const cpumask_t *cpu_map)
 	arch_destroy_sched_domains(cpu_map);
 }
 
-/*
- * Partition sched domains as specified by the cpumasks below.
- * This attaches all cpus from the cpumasks to the NULL domain,
- * waits for a RCU quiescent period, recalculates sched
- * domain information and then attaches them back to the
- * correct sched domains
- * Call with hotplug lock held
- */
-int partition_sched_domains(cpumask_t *partition1, cpumask_t *partition2)
-{
-	cpumask_t change_map;
-	int err = 0;
-
-	cpus_and(*partition1, *partition1, cpu_online_map);
-	cpus_and(*partition2, *partition2, cpu_online_map);
-	cpus_or(change_map, *partition1, *partition2);
-
-	/* Detach sched domains from all of the affected cpus */
-	detach_destroy_domains(&change_map);
-	if (!cpus_empty(*partition1))
-		err = build_sched_domains(partition1);
-	if (!err && !cpus_empty(*partition2))
-		err = build_sched_domains(partition2);
-
-	register_sched_domain_sysctl();
-
-	return err;
-}
-
 #if defined(CONFIG_SCHED_MC) || defined(CONFIG_SCHED_SMT)
 static int arch_reinit_sched_domains(void)
 {