1 files changed, 15 insertions, 20 deletions

diff --git a/arch/ia64/kernel/smpboot.c b/arch/ia64/kernel/smpboot.c
index c57dbce25c1..32ee5979a04 100644
--- a/arch/ia64/kernel/smpboot.c
+++ b/arch/ia64/kernel/smpboot.c
@@ -120,7 +120,6 @@ static volatile unsigned long go[SLAVE + 1];
 
 #define DEBUG_ITC_SYNC	0
 
-extern void __devinit calibrate_delay (void);
 extern void start_ap (void);
 extern unsigned long ia64_iobase;
 
@@ -142,7 +141,6 @@ DEFINE_PER_CPU_SHARED_ALIGNED(cpumask_t, cpu_sibling_map);
 EXPORT_PER_CPU_SYMBOL(cpu_sibling_map);
 
 int smp_num_siblings = 1;
-int smp_num_cpucores = 1;
 
 /* which logical CPU number maps to which CPU (physical APIC ID) */
 volatile int ia64_cpu_to_sapicid[NR_CPUS];
@@ -478,7 +476,7 @@ start_secondary (void *unused)
 	return 0;
 }
 
-struct pt_regs * __devinit idle_regs(struct pt_regs *regs)
+struct pt_regs * __cpuinit idle_regs(struct pt_regs *regs)
 {
 	return NULL;
 }
@@ -768,17 +766,6 @@ void __cpu_die(unsigned int cpu)
 	}
  	printk(KERN_ERR "CPU %u didn't die...\n", cpu);
 }
-#else /* !CONFIG_HOTPLUG_CPU */
-int __cpu_disable(void)
-{
-	return -ENOSYS;
-}
-
-void __cpu_die(unsigned int cpu)
-{
-	/* We said "no" in __cpu_disable */
-	BUG();
-}
 #endif /* CONFIG_HOTPLUG_CPU */
 
 void
@@ -886,13 +873,17 @@ identify_siblings(struct cpuinfo_ia64 *c)
 	u16 pltid;
 	pal_logical_to_physical_t info;
 
-	if (smp_num_cpucores == 1 && smp_num_siblings == 1)
-		return;
-
 	if ((status = ia64_pal_logical_to_phys(-1, &info)) != PAL_STATUS_SUCCESS) {
-		printk(KERN_ERR "ia64_pal_logical_to_phys failed with %ld\n",
-		       status);
-		return;
+		if (status != PAL_STATUS_UNIMPLEMENTED) {
+			printk(KERN_ERR
+				"ia64_pal_logical_to_phys failed with %ld\n",
+				status);
+			return;
+		}
+
+		info.overview_ppid = 0;
+		info.overview_cpp  = 1;
+		info.overview_tpc  = 1;
 	}
 	if ((status = ia64_sal_physical_id_info(&pltid)) != PAL_STATUS_SUCCESS) {
 		printk(KERN_ERR "ia64_sal_pltid failed with %ld\n", status);
@@ -900,6 +891,10 @@ identify_siblings(struct cpuinfo_ia64 *c)
 	}
 
 	c->socket_id =  (pltid << 8) | info.overview_ppid;
+
+	if (info.overview_cpp == 1 && info.overview_tpc == 1)
+		return;
+
 	c->cores_per_socket = info.overview_cpp;
 	c->threads_per_core = info.overview_tpc;
 	c->num_log = info.overview_num_log;