#define DEBUG_ITC_SYNC 0
-extern void __devinit calibrate_delay (void);
extern void start_ap (void);
extern unsigned long ia64_iobase;
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];
/* Setup the per cpu irq handling data structures */
__setup_vector_irq(cpuid);
cpu_set(cpuid, cpu_online_map);
- unlock_ipi_calllock();
per_cpu(cpu_state, cpuid) = CPU_ONLINE;
spin_unlock(&vector_lock);
+ unlock_ipi_calllock();
smp_setup_percpu_timer();
return 0;
}
-struct pt_regs * __devinit idle_regs(struct pt_regs *regs)
+struct pt_regs * __cpuinit idle_regs(struct pt_regs *regs)
{
return NULL;
}
}
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
u16 pltid;
pal_logical_to_physical_t info;
- if (smp_num_cpucores == 1 && smp_num_siblings == 1)
- return;
+ status = ia64_pal_logical_to_phys(-1, &info);
+ if (status != PAL_STATUS_SUCCESS) {
+ if (status != PAL_STATUS_UNIMPLEMENTED) {
+ printk(KERN_ERR
+ "ia64_pal_logical_to_phys failed with %ld\n",
+ status);
+ 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;
+ 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);
+
+ status = ia64_sal_physical_id_info(&pltid);
+ if (status != PAL_STATUS_SUCCESS) {
+ if (status != PAL_STATUS_UNIMPLEMENTED)
+ printk(KERN_ERR
+ "ia64_sal_pltid failed with %ld\n",
+ status);
return;
}
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;