diff --git a/arch/x86/include/asm/bigsmp/apic.h b/arch/x86/include/asm/bigsmp/apic.h
index 321ea47b5dd1e43ac703ffd55b62f7431ad58827..df59298086c6743ee0064751655ede55b2a6e010 100644
--- a/arch/x86/include/asm/bigsmp/apic.h
+++ b/arch/x86/include/asm/bigsmp/apic.h
@@ -62,11 +62,6 @@ static inline void bigsmp_setup_apic_routing(void)
 		"Physflat", nr_ioapics);
 }
 
-static inline int multi_timer_check(int apic, int irq)
-{
-	return (0);
-}
-
 static inline int apicid_to_node(int logical_apicid)
 {
 	return apicid_2_node[hard_smp_processor_id()];
diff --git a/arch/x86/include/asm/es7000/apic.h b/arch/x86/include/asm/es7000/apic.h
index f1183000a940dc169c7d9193e00c16cf01770a78..632e4cd3f4fd7a9d517a3c3706ed9785b8c7d939 100644
--- a/arch/x86/include/asm/es7000/apic.h
+++ b/arch/x86/include/asm/es7000/apic.h
@@ -82,11 +82,6 @@ static inline void es7000_setup_apic_routing(void)
 			nr_ioapics, cpus_addr(*es7000_target_cpus())[0]);
 }
 
-static inline int multi_timer_check(int apic, int irq)
-{
-	return 0;
-}
-
 static inline int apicid_to_node(int logical_apicid)
 {
 	return 0;
diff --git a/arch/x86/include/asm/mach-default/mach_apic.h b/arch/x86/include/asm/mach-default/mach_apic.h
index d4467746304655e302b38ca9f6bfda68ae6dd7c3..f418d470cf45a906d17778ad0a0b4c008fbd3212 100644
--- a/arch/x86/include/asm/mach-default/mach_apic.h
+++ b/arch/x86/include/asm/mach-default/mach_apic.h
@@ -104,11 +104,6 @@ static inline physid_mask_t default_ioapic_phys_id_map(physid_mask_t phys_map)
 	return phys_map;
 }
 
-static inline int multi_timer_check(int apic, int irq)
-{
-	return 0;
-}
-
 /* Mapping from cpu number to logical apicid */
 static inline int cpu_to_logical_apicid(int cpu)
 {
diff --git a/arch/x86/include/asm/mach-generic/mach_apic.h b/arch/x86/include/asm/mach-generic/mach_apic.h
index ddf369248ab7defa4e1e9ec0d340d3cd6a863add..bdea0a759e8aea91432564d00615dcd3aa06aaa7 100644
--- a/arch/x86/include/asm/mach-generic/mach_apic.h
+++ b/arch/x86/include/asm/mach-generic/mach_apic.h
@@ -3,7 +3,6 @@
 
 #include <asm/genapic.h>
 
-#define multi_timer_check (apic->multi_timer_check)
 #define apicid_to_node (apic->apicid_to_node)
 #define cpu_to_logical_apicid (apic->cpu_to_logical_apicid) 
 #define cpu_present_to_apicid (apic->cpu_present_to_apicid)
diff --git a/arch/x86/include/asm/numaq/apic.h b/arch/x86/include/asm/numaq/apic.h
index 2feb7e72e9ea410ccd85429806f43714f590cd3e..22bdf3d4c0e3730dd2fcfebe306352e806d1947c 100644
--- a/arch/x86/include/asm/numaq/apic.h
+++ b/arch/x86/include/asm/numaq/apic.h
@@ -43,7 +43,7 @@ static inline void numaq_setup_apic_routing(void)
  * Skip adding the timer int on secondary nodes, which causes
  * a small but painful rift in the time-space continuum.
  */
-static inline int multi_timer_check(int apic, int irq)
+static inline int numaq_multi_timer_check(int apic, int irq)
 {
 	return apic != 0 && irq == 0;
 }
diff --git a/arch/x86/include/asm/summit/apic.h b/arch/x86/include/asm/summit/apic.h
index 7ec2696bc9a04a1c054d7de1dd953704ea1a13bb..acb7bd1de8481f5c96a15e21a6b70626176e6161 100644
--- a/arch/x86/include/asm/summit/apic.h
+++ b/arch/x86/include/asm/summit/apic.h
@@ -64,11 +64,6 @@ static inline void summit_init_apic_ldr(void)
 	apic_write(APIC_LDR, val);
 }
 
-static inline int multi_timer_check(int apic, int irq)
-{
-	return 0;
-}
-
 static inline int summit_apic_id_registered(void)
 {
 	return 1;
diff --git a/arch/x86/kernel/io_apic.c b/arch/x86/kernel/io_apic.c
index db79ad9a7646da96574505784cae8d90eb252503..282ea112f3cfc2c52cb0b966cf6be9a4d9e1c390 100644
--- a/arch/x86/kernel/io_apic.c
+++ b/arch/x86/kernel/io_apic.c
@@ -1618,10 +1618,15 @@ static void __init setup_IO_APIC_irqs(void)
 			}
 
 			irq = pin_2_irq(idx, apic_id, pin);
-#ifdef CONFIG_X86_32
-			if (multi_timer_check(apic_id, irq))
+
+			/*
+			 * Skip the timer IRQ if there's a quirk handler
+			 * installed and if it returns 1:
+			 */
+			if (apic->multi_timer_check &&
+					apic->multi_timer_check(apic_id, irq))
 				continue;
-#endif
+
 			desc = irq_to_desc_alloc_cpu(irq, cpu);
 			if (!desc) {
 				printk(KERN_INFO "can not get irq_desc for %d\n", irq);
diff --git a/arch/x86/mach-generic/bigsmp.c b/arch/x86/mach-generic/bigsmp.c
index ad3837a59bd4f6d3d84e1330a06eea6b7f8060c0..d0749569cdf78cb70d56a7a560f20297bb01129c 100644
--- a/arch/x86/mach-generic/bigsmp.c
+++ b/arch/x86/mach-generic/bigsmp.c
@@ -79,7 +79,7 @@ struct genapic apic_bigsmp = {
 
 	.ioapic_phys_id_map		= bigsmp_ioapic_phys_id_map,
 	.setup_apic_routing		= bigsmp_setup_apic_routing,
-	.multi_timer_check		= multi_timer_check,
+	.multi_timer_check		= NULL,
 	.apicid_to_node			= apicid_to_node,
 	.cpu_to_logical_apicid		= cpu_to_logical_apicid,
 	.cpu_present_to_apicid		= cpu_present_to_apicid,
diff --git a/arch/x86/mach-generic/default.c b/arch/x86/mach-generic/default.c
index 67f287fc12df656590e29e462329eaebd7d618ab..6a21aa7c0c6dc6b0d9bac8deca72db999d5722d5 100644
--- a/arch/x86/mach-generic/default.c
+++ b/arch/x86/mach-generic/default.c
@@ -60,7 +60,7 @@ struct genapic apic_default = {
 
 	.ioapic_phys_id_map		= default_ioapic_phys_id_map,
 	.setup_apic_routing		= default_setup_apic_routing,
-	.multi_timer_check		= multi_timer_check,
+	.multi_timer_check		= NULL,
 	.apicid_to_node			= apicid_to_node,
 	.cpu_to_logical_apicid		= cpu_to_logical_apicid,
 	.cpu_present_to_apicid		= cpu_present_to_apicid,
diff --git a/arch/x86/mach-generic/es7000.c b/arch/x86/mach-generic/es7000.c
index f611729394611581978ba24ced80dc05b2a9a022..0be59a51df2fe1a62e5f7a624b4a749d52224ee6 100644
--- a/arch/x86/mach-generic/es7000.c
+++ b/arch/x86/mach-generic/es7000.c
@@ -121,7 +121,7 @@ struct genapic apic_es7000 = {
 
 	.ioapic_phys_id_map		= es7000_ioapic_phys_id_map,
 	.setup_apic_routing		= es7000_setup_apic_routing,
-	.multi_timer_check		= multi_timer_check,
+	.multi_timer_check		= NULL,
 	.apicid_to_node			= apicid_to_node,
 	.cpu_to_logical_apicid		= cpu_to_logical_apicid,
 	.cpu_present_to_apicid		= cpu_present_to_apicid,
diff --git a/arch/x86/mach-generic/numaq.c b/arch/x86/mach-generic/numaq.c
index 8c137f413485e602ffbb609b4979095bf46f2f00..da4ed653506a3dd9f303b9bcfd0484988ea1e7bd 100644
--- a/arch/x86/mach-generic/numaq.c
+++ b/arch/x86/mach-generic/numaq.c
@@ -66,7 +66,7 @@ struct genapic apic_numaq = {
 
 	.ioapic_phys_id_map		= numaq_ioapic_phys_id_map,
 	.setup_apic_routing		= numaq_setup_apic_routing,
-	.multi_timer_check		= multi_timer_check,
+	.multi_timer_check		= numaq_multi_timer_check,
 	.apicid_to_node			= apicid_to_node,
 	.cpu_to_logical_apicid		= cpu_to_logical_apicid,
 	.cpu_present_to_apicid		= cpu_present_to_apicid,
diff --git a/arch/x86/mach-generic/summit.c b/arch/x86/mach-generic/summit.c
index 0698566dc7b49e711a13b41dcf4e3a6af3d193dd..b618a186f1e2de47e1e52a38813f7d9650f42d54 100644
--- a/arch/x86/mach-generic/summit.c
+++ b/arch/x86/mach-generic/summit.c
@@ -59,7 +59,7 @@ struct genapic apic_summit = {
 
 	.ioapic_phys_id_map		= summit_ioapic_phys_id_map,
 	.setup_apic_routing		= summit_setup_apic_routing,
-	.multi_timer_check		= multi_timer_check,
+	.multi_timer_check		= NULL,
 	.apicid_to_node			= apicid_to_node,
 	.cpu_to_logical_apicid		= cpu_to_logical_apicid,
 	.cpu_present_to_apicid		= cpu_present_to_apicid,