Merge branch 'upstream'

[sfrench/cifs-2.6.git] / arch / mips / kernel / smp.c

diff --git a/arch/mips/kernel/smp.c b/arch/mips/kernel/smp.c
index fcacf1aae98aebd04e509107e56aeaf4d0c49f0f..5e189862e5235527a31bc708261000e92f533a77 100644 (file)
--- a/arch/mips/kernel/smp.c
+++ b/arch/mips/kernel/smp.c
@@ -29,6 +29,7 @@
 #include <linux/timex.h>
 #include <linux/sched.h>
 #include <linux/cpumask.h>
+#include <linux/cpu.h>
 
 #include <asm/atomic.h>
 #include <asm/cpu.h>
@@ -82,7 +83,7 @@ extern ATTRIB_NORET void cpu_idle(void);
  */
 asmlinkage void start_secondary(void)
 {
-       unsigned int cpu = smp_processor_id();
+       unsigned int cpu;
 
        cpu_probe();
        cpu_report();
@@ -95,6 +96,8 @@ asmlinkage void start_secondary(void)
         */
 
        calibrate_delay();
+       preempt_disable();
+       cpu = smp_processor_id();
        cpu_data[cpu].udelay_val = loops_per_jiffy;
 
        prom_smp_finish();
@@ -422,6 +425,25 @@ void flush_tlb_one(unsigned long vaddr)
        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);