1 files changed, 14 insertions, 7 deletions

diff --git a/arch/ia64/kernel/smpboot.c b/arch/ia64/kernel/smpboot.c
index c57dbce25c12..f0fc4d8465ad 100644
--- a/arch/ia64/kernel/smpboot.c
+++ b/arch/ia64/kernel/smpboot.c
@@ -142,7 +142,6 @@ 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];
@@ -886,13 +885,17 @@ 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 +903,10 @@ 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;