arch/x86/kernel/smpboot.c: fix warning

[linux-2.6-omap-h63xx.git] / arch / x86 / kernel / smpboot.c

diff --git a/arch/x86/kernel/smpboot.c b/arch/x86/kernel/smpboot.c
index 820c23dbe7618996e1289d1f83c74cc53e7562cf..f35c2d8016ac412c1c0433bf4382829c1d2cef31 100644 (file)
--- a/arch/x86/kernel/smpboot.c
+++ b/arch/x86/kernel/smpboot.c
@@ -181,7 +181,7 @@ static void map_cpu_to_logical_apicid(void)
        map_cpu_to_node(cpu, node);
 }
 
-static void numa_remove_cpu(int cpu)
+void numa_remove_cpu(int cpu)
 {
        cpu_2_logical_apicid[cpu] = BAD_APICID;
        unmap_cpu_to_node(cpu);
@@ -864,7 +864,6 @@ do_rest:
        irq_ctx_init(cpu);
 #else
        cpu_pda(cpu)->pcurrent = c_idle.idle;
-       load_sp0(&per_cpu(init_tss, cpu), &c_idle.idle->thread);
        clear_tsk_thread_flag(c_idle.idle, TIF_FORK);
 #endif
        early_gdt_descr.address = (unsigned long)get_cpu_gdt_table(cpu);
@@ -940,9 +939,9 @@ do_rest:
                                inquire_remote_apic(apicid);
                }
        }
-
+#ifdef CONFIG_X86_64
 restore_state:
-
+#endif
        if (boot_error) {
                /* Try to put things back the way they were before ... */
                numa_remove_cpu(cpu); /* was set by numa_add_cpu */
@@ -1140,7 +1139,6 @@ static void __init smp_cpu_index_default(void)
 void __init native_smp_prepare_cpus(unsigned int max_cpus)
 {
        preempt_disable();
-       nmi_watchdog_default();
        smp_cpu_index_default();
        current_cpu_data = boot_cpu_data;
        cpu_callin_map = cpumask_of_cpu(0);
@@ -1227,23 +1225,6 @@ void __init native_smp_cpus_done(unsigned int max_cpus)
 
 #ifdef CONFIG_HOTPLUG_CPU
 
-#  ifdef CONFIG_X86_32
-void cpu_exit_clear(void)
-{
-       int cpu = raw_smp_processor_id();
-
-       idle_task_exit();
-
-       cpu_uninit();
-       irq_ctx_exit(cpu);
-
-       cpu_clear(cpu, cpu_callout_map);
-       cpu_clear(cpu, cpu_callin_map);
-
-       numa_remove_cpu(cpu);
-}
-#  endif /* CONFIG_X86_32 */
-
 static void remove_siblinginfo(int cpu)
 {
        int sibling;
@@ -1297,12 +1278,20 @@ __init void prefill_possible_map(void)
        int i;
        int possible;
 
+       /* no processor from mptable or madt */
+       if (!num_processors)
+               num_processors = 1;
+
+#ifdef CONFIG_HOTPLUG_CPU
        if (additional_cpus == -1) {
                if (disabled_cpus > 0)
                        additional_cpus = disabled_cpus;
                else
                        additional_cpus = 0;
        }
+#else
+       additional_cpus = 0;
+#endif
        possible = num_processors + additional_cpus;
        if (possible > NR_CPUS)
                possible = NR_CPUS;