diff --git a/arch/x86/kernel/apic.c b/arch/x86/kernel/apic.c
index f3f5085..11cb186 100644
--- a/arch/x86/kernel/apic.c
+++ b/arch/x86/kernel/apic.c
@@ -1586,7 +1586,7 @@
 	 */
 	if (!cpu_has_apic &&
 	    APIC_INTEGRATED(apic_version[boot_cpu_physical_apicid])) {
-		printk(KERN_ERR "BIOS bug, local APIC #%d not detected!...\n",
+		printk(KERN_ERR "BIOS bug, local APIC 0x%x not detected!...\n",
 		       boot_cpu_physical_apicid);
 		clear_cpu_cap(&boot_cpu_data, X86_FEATURE_APIC);
 		return -1;
diff --git a/arch/x86/kernel/cpu/amd.c b/arch/x86/kernel/cpu/amd.c
index 32e7352..8f1e31d 100644
--- a/arch/x86/kernel/cpu/amd.c
+++ b/arch/x86/kernel/cpu/amd.c
@@ -249,7 +249,7 @@
 	}
 	numa_set_node(cpu, node);
 
-	printk(KERN_INFO "CPU %d/%x -> Node %d\n", cpu, apicid, node);
+	printk(KERN_INFO "CPU %d/0x%x -> Node %d\n", cpu, apicid, node);
 #endif
 }
 
diff --git a/arch/x86/kernel/cpu/intel.c b/arch/x86/kernel/cpu/intel.c
index 99468db..cce0b61 100644
--- a/arch/x86/kernel/cpu/intel.c
+++ b/arch/x86/kernel/cpu/intel.c
@@ -174,7 +174,7 @@
 		node = first_node(node_online_map);
 	numa_set_node(cpu, node);
 
-	printk(KERN_INFO "CPU %d/%x -> Node %d\n", cpu, apicid, node);
+	printk(KERN_INFO "CPU %d/0x%x -> Node %d\n", cpu, apicid, node);
 #endif
 }
 
diff --git a/arch/x86/kernel/smpboot.c b/arch/x86/kernel/smpboot.c
index 8c3aca7..f84de2f 100644
--- a/arch/x86/kernel/smpboot.c
+++ b/arch/x86/kernel/smpboot.c
@@ -543,10 +543,10 @@
 	int timeout;
 	u32 status;
 
-	printk(KERN_INFO "Inquiring remote APIC #%d...\n", apicid);
+	printk(KERN_INFO "Inquiring remote APIC 0x%x...\n", apicid);
 
 	for (i = 0; i < ARRAY_SIZE(regs); i++) {
-		printk(KERN_INFO "... APIC #%d %s: ", apicid, names[i]);
+		printk(KERN_INFO "... APIC 0x%x %s: ", apicid, names[i]);
 
 		/*
 		 * Wait for idle.
@@ -874,7 +874,7 @@
 	start_ip = setup_trampoline();
 
 	/* So we see what's up   */
-	printk(KERN_INFO "Booting processor %d/%d ip %lx\n",
+	printk(KERN_INFO "Booting processor %d APIC 0x%x ip 0x%lx\n",
 			  cpu, apicid, start_ip);
 
 	/*