diff --git a/arch/x86/Kconfig b/arch/x86/Kconfig
index d019b1bc3efb..62383b641d69 100644
--- a/arch/x86/Kconfig
+++ b/arch/x86/Kconfig
@@ -879,11 +879,12 @@ config X86_LOCAL_APIC
 	def_bool y
 	depends on X86_64 || SMP || X86_32_NON_STANDARD || X86_UP_APIC || PCI_MSI
 	select GENERIC_IRQ_LEGACY_ALLOC_HWIRQ
+	select IRQ_DOMAIN
+	select IRQ_DOMAIN_HIERARCHY
 
 config X86_IO_APIC
 	def_bool X86_64 || SMP || X86_32_NON_STANDARD || X86_UP_IOAPIC
 	depends on X86_LOCAL_APIC
-	select IRQ_DOMAIN
 
 config X86_REROUTE_FOR_BROKEN_BOOT_IRQS
 	bool "Reroute for broken boot IRQs"
diff --git a/arch/x86/include/asm/hw_irq.h b/arch/x86/include/asm/hw_irq.h
index 3d51d74d6c01..1300702adb1e 100644
--- a/arch/x86/include/asm/hw_irq.h
+++ b/arch/x86/include/asm/hw_irq.h
@@ -112,6 +112,11 @@ struct irq_2_irte {
 
 #ifdef	CONFIG_X86_LOCAL_APIC
 struct irq_data;
+struct irq_domain;
+
+struct irq_alloc_info {
+	const struct cpumask *mask;	/* CPU mask for vector allocation */
+};
 
 struct irq_cfg {
 	cpumask_var_t		domain;
@@ -135,6 +140,12 @@ struct irq_cfg {
 	};
 };
 
+extern struct irq_domain *x86_vector_domain;
+
+extern void init_irq_alloc_info(struct irq_alloc_info *info,
+				const struct cpumask *mask);
+extern void copy_irq_alloc_info(struct irq_alloc_info *dst,
+				struct irq_alloc_info *src);
 extern struct irq_cfg *irq_cfg(unsigned int irq);
 extern struct irq_cfg *irqd_cfg(struct irq_data *irq_data);
 extern struct irq_cfg *alloc_irq_and_cfg_at(unsigned int at, int node);
diff --git a/arch/x86/kernel/apic/io_apic.c b/arch/x86/kernel/apic/io_apic.c
index 68158c5112d2..59c4cde4051f 100644
--- a/arch/x86/kernel/apic/io_apic.c
+++ b/arch/x86/kernel/apic/io_apic.c
@@ -2353,9 +2353,6 @@ static int mp_irqdomain_create(int ioapic)
 		ioapic_dynirq_base = max(ioapic_dynirq_base,
 					 gsi_cfg->gsi_end + 1);
 
-	if (gsi_cfg->gsi_base == 0)
-		irq_set_default_host(ip->irqdomain);
-
 	return 0;
 }
 
diff --git a/arch/x86/kernel/apic/vector.c b/arch/x86/kernel/apic/vector.c
index 02cb5d386985..c97848125895 100644
--- a/arch/x86/kernel/apic/vector.c
+++ b/arch/x86/kernel/apic/vector.c
@@ -3,6 +3,8 @@
  *
  * Copyright (C) 1997, 1998, 1999, 2000, 2009 Ingo Molnar, Hajnalka Szabo
  *	Moved from arch/x86/kernel/apic/io_apic.c.
+ * Jiang Liu <jiang.liu@linux.intel.com>
+ *	Add support of hierarchy irqdomain
  *
  * This program is free software; you can redistribute it and/or modify
  * it under the terms of the GNU General Public License version 2 as
@@ -19,7 +21,9 @@
 #include <asm/desc.h>
 #include <asm/irq_remapping.h>
 
+struct irq_domain *x86_vector_domain;
 static DEFINE_RAW_SPINLOCK(vector_lock);
+static struct irq_chip vector_chip;
 
 void lock_vector_lock(void)
 {
@@ -36,15 +40,21 @@ void unlock_vector_lock(void)
 
 struct irq_cfg *irq_cfg(unsigned int irq)
 {
-	return irq_get_chip_data(irq);
+	return irqd_cfg(irq_get_irq_data(irq));
 }
 
 struct irq_cfg *irqd_cfg(struct irq_data *irq_data)
 {
+	if (!irq_data)
+		return NULL;
+
+	while (irq_data->parent_data)
+		irq_data = irq_data->parent_data;
+
 	return irq_data->chip_data;
 }
 
-static struct irq_cfg *alloc_irq_cfg(unsigned int irq, int node)
+static struct irq_cfg *alloc_irq_cfg(int node)
 {
 	struct irq_cfg *cfg;
 
@@ -79,7 +89,7 @@ struct irq_cfg *alloc_irq_and_cfg_at(unsigned int at, int node)
 			return cfg;
 	}
 
-	cfg = alloc_irq_cfg(at, node);
+	cfg = alloc_irq_cfg(node);
 	if (cfg)
 		irq_set_chip_data(at, cfg);
 	else
@@ -87,14 +97,13 @@ struct irq_cfg *alloc_irq_and_cfg_at(unsigned int at, int node)
 	return cfg;
 }
 
-static void free_irq_cfg(unsigned int at, struct irq_cfg *cfg)
+static void free_irq_cfg(struct irq_cfg *cfg)
 {
-	if (!cfg)
-		return;
-	irq_set_chip_data(at, NULL);
-	free_cpumask_var(cfg->domain);
-	free_cpumask_var(cfg->old_domain);
-	kfree(cfg);
+	if (cfg) {
+		free_cpumask_var(cfg->domain);
+		free_cpumask_var(cfg->old_domain);
+		kfree(cfg);
+	}
 }
 
 static int
@@ -241,6 +250,85 @@ void clear_irq_vector(int irq, struct irq_cfg *cfg)
 	raw_spin_unlock_irqrestore(&vector_lock, flags);
 }
 
+void init_irq_alloc_info(struct irq_alloc_info *info,
+			 const struct cpumask *mask)
+{
+	memset(info, 0, sizeof(*info));
+	info->mask = mask;
+}
+
+void copy_irq_alloc_info(struct irq_alloc_info *dst, struct irq_alloc_info *src)
+{
+	if (src)
+		*dst = *src;
+	else
+		memset(dst, 0, sizeof(*dst));
+}
+
+static inline const struct cpumask *
+irq_alloc_info_get_mask(struct irq_alloc_info *info)
+{
+	return (!info || !info->mask) ? apic->target_cpus() : info->mask;
+}
+
+static void x86_vector_free_irqs(struct irq_domain *domain,
+				 unsigned int virq, unsigned int nr_irqs)
+{
+	int i;
+	struct irq_data *irq_data;
+
+	for (i = 0; i < nr_irqs; i++) {
+		irq_data = irq_domain_get_irq_data(x86_vector_domain, virq + i);
+		if (irq_data && irq_data->chip_data) {
+			free_remapped_irq(virq);
+			clear_irq_vector(virq + i, irq_data->chip_data);
+			free_irq_cfg(irq_data->chip_data);
+			irq_domain_reset_irq_data(irq_data);
+		}
+	}
+}
+
+static int x86_vector_alloc_irqs(struct irq_domain *domain, unsigned int virq,
+				 unsigned int nr_irqs, void *arg)
+{
+	int i, err;
+	struct irq_cfg *cfg;
+	struct irq_data *irq_data;
+	const struct cpumask *mask;
+
+	if (disable_apic)
+		return -ENXIO;
+
+	mask = irq_alloc_info_get_mask(arg);
+	for (i = 0; i < nr_irqs; i++) {
+		irq_data = irq_domain_get_irq_data(domain, virq + i);
+		BUG_ON(!irq_data);
+		cfg = alloc_irq_cfg(irq_data->node);
+		if (!cfg) {
+			err = -ENOMEM;
+			goto error;
+		}
+
+		irq_data->chip = &vector_chip;
+		irq_data->chip_data = cfg;
+		irq_data->hwirq = virq + i;
+		err = assign_irq_vector(virq, cfg, mask);
+		if (err)
+			goto error;
+	}
+
+	return 0;
+
+error:
+	x86_vector_free_irqs(domain, virq, i + 1);
+	return err;
+}
+
+static struct irq_domain_ops x86_vector_domain_ops = {
+	.alloc = x86_vector_alloc_irqs,
+	.free = x86_vector_free_irqs,
+};
+
 int __init arch_probe_nr_irqs(void)
 {
 	int nr;
@@ -266,6 +354,11 @@ int __init arch_probe_nr_irqs(void)
 
 int __init arch_early_irq_init(void)
 {
+	x86_vector_domain = irq_domain_add_tree(NULL, &x86_vector_domain_ops,
+						NULL);
+	BUG_ON(x86_vector_domain == NULL);
+	irq_set_default_host(x86_vector_domain);
+
 	return arch_early_ioapic_init();
 }
 
@@ -380,6 +473,37 @@ int apic_set_affinity(struct irq_data *data, const struct cpumask *mask,
 	return 0;
 }
 
+static int vector_set_affinity(struct irq_data *irq_data,
+			       const struct cpumask *dest, bool force)
+{
+	int err;
+	int irq = irq_data->irq;
+	struct irq_cfg *cfg = irq_data->chip_data;
+
+	if (!config_enabled(CONFIG_SMP))
+		return -EPERM;
+
+	if (!cpumask_intersects(dest, cpu_online_mask))
+		return -EINVAL;
+
+	err = assign_irq_vector(irq, cfg, dest);
+	if (err) {
+		struct irq_data *top = irq_get_irq_data(irq);
+
+		if (assign_irq_vector(irq, cfg, top->affinity))
+			pr_err("Failed to recover vector for irq %d\n", irq);
+		return err;
+	}
+
+	return IRQ_SET_MASK_OK;
+}
+
+static struct irq_chip vector_chip = {
+	.irq_ack = apic_ack_edge,
+	.irq_set_affinity = vector_set_affinity,
+	.irq_retrigger = apic_retrigger_irq,
+};
+
 #ifdef CONFIG_SMP
 void send_cleanup_vector(struct irq_cfg *cfg)
 {
@@ -500,7 +624,7 @@ int arch_setup_hwirq(unsigned int irq, int node)
 	unsigned long flags;
 	int ret;
 
-	cfg = alloc_irq_cfg(irq, node);
+	cfg = alloc_irq_cfg(node);
 	if (!cfg)
 		return -ENOMEM;
 
@@ -511,7 +635,7 @@ int arch_setup_hwirq(unsigned int irq, int node)
 	if (!ret)
 		irq_set_chip_data(irq, cfg);
 	else
-		free_irq_cfg(irq, cfg);
+		free_irq_cfg(cfg);
 	return ret;
 }
 
@@ -521,7 +645,8 @@ void arch_teardown_hwirq(unsigned int irq)
 
 	free_remapped_irq(irq);
 	clear_irq_vector(irq, cfg);
-	free_irq_cfg(irq, cfg);
+	irq_set_chip_data(irq, NULL);
+	free_irq_cfg(cfg);
 }
 
 static void __init print_APIC_field(int base)
