#include <linux/timex.h>
#include <linux/sched.h>
#include <linux/cpumask.h>
+#include <linux/cpu.h>
#include <asm/atomic.h>
#include <asm/cpu.h>
{
struct cache_desc *cd = ¤t_cpu_data.scache;
unsigned long cachesize; /* kB */
- unsigned long bandwidth = 350; /* MB/s */
unsigned long cpu_khz;
/*
*/
asmlinkage void start_secondary(void)
{
- unsigned int cpu = smp_processor_id();
+ unsigned int cpu;
cpu_probe();
cpu_report();
*/
calibrate_delay();
+ preempt_disable();
+ cpu = smp_processor_id();
cpu_data[cpu].udelay_val = loops_per_jiffy;
prom_smp_finish();
int i, cpus = num_online_cpus() - 1;
int cpu = smp_processor_id();
+ /*
+ * Can die spectacularly if this CPU isn't yet marked online
+ */
+ BUG_ON(!cpu_online(cpu));
+
if (!cpus)
return 0;
/* called from main before smp_init() */
void __init smp_prepare_cpus(unsigned int max_cpus)
{
- cpu_data[0].udelay_val = loops_per_jiffy;
init_new_context(current, &init_mm);
current_thread_info()->cpu = 0;
smp_tune_scheduling();
local_flush_tlb_one(vaddr);
}
+static DEFINE_PER_CPU(struct cpu, cpu_devices);
+
+static int __init topology_init(void)
+{
+ int cpu;
+ int ret;
+
+ for_each_cpu(cpu) {
+ ret = register_cpu(&per_cpu(cpu_devices, cpu), cpu, NULL);
+ if (ret)
+ printk(KERN_WARNING "topology_init: register_cpu %d "
+ "failed (%d)\n", cpu, ret);
+ }
+
+ return 0;
+}
+
+subsys_initcall(topology_init);
+
EXPORT_SYMBOL(flush_tlb_page);
EXPORT_SYMBOL(flush_tlb_one);
EXPORT_SYMBOL(cpu_data);