x86: merge native_smp_cpus_done

They look similar enough, and are merged. Only difference
(zap_low_mapping for i386) is inside ifdef

Signed-off-by: Glauber Costa <gcosta@redhat.com>
Signed-off-by: Ingo Molnar <mingo@elte.hu>

3 files changed, 20 insertions, 40 deletions

diff --git a/arch/x86/kernel/smpboot.c b/arch/x86/kernel/smpboot.c
index b214d8dcc07a..26118b4a1c38 100644
--- a/arch/x86/kernel/smpboot.c
+++ b/arch/x86/kernel/smpboot.c
@@ -880,7 +880,6 @@ do_rest:
         apic_write(APIC_ESR, 0);
         apic_read(APIC_ESR);
 
-
         /*
          * Starting actual IPI sequence...
          */
@@ -1017,6 +1016,26 @@ void __init native_smp_prepare_boot_cpu(void)
         per_cpu(cpu_state, me) = CPU_ONLINE;
 }
 
+void __init native_smp_cpus_done(unsigned int max_cpus)
+{
+        /*
+         * Cleanup possible dangling ends...
+         */
+        smpboot_restore_warm_reset_vector();
+
+        Dprintk("Boot done.\n");
+
+        impress_friends();
+        smp_checks();
+#ifdef CONFIG_X86_IO_APIC
+        setup_ioapic_dest();
+#endif
+        check_nmi_watchdog();
+#ifdef CONFIG_X86_32
+        zap_low_mappings();
+#endif
+}
+
 #ifdef CONFIG_HOTPLUG_CPU
 void remove_siblinginfo(int cpu)
 {
diff --git a/arch/x86/kernel/smpboot_32.c b/arch/x86/kernel/smpboot_32.c
index 5d27b1db6c26..75fb5064af66 100644
--- a/arch/x86/kernel/smpboot_32.c
+++ b/arch/x86/kernel/smpboot_32.c
@@ -215,24 +215,3 @@ void __init native_smp_prepare_cpus(unsigned int max_cpus)
         mb();
         smp_boot_cpus(max_cpus);
 }
-
-extern void impress_friends(void);
-extern void smp_checks(void);
-
-void __init native_smp_cpus_done(unsigned int max_cpus)
-{
-        /*
-         * Cleanup possible dangling ends...
-         */
-        smpboot_restore_warm_reset_vector();
-
-        Dprintk("Boot done.\n");
-
-        impress_friends();
-        smp_checks();
-#ifdef CONFIG_X86_IO_APIC
-        setup_ioapic_dest();
-#endif
-        check_nmi_watchdog();
-        zap_low_mappings();
-}
diff --git a/arch/x86/kernel/smpboot_64.c b/arch/x86/kernel/smpboot_64.c
index f77299b0639e..f4363a38d079 100644
--- a/arch/x86/kernel/smpboot_64.c
+++ b/arch/x86/kernel/smpboot_64.c
@@ -212,21 +212,3 @@ void __init native_smp_prepare_cpus(unsigned int max_cpus)
         printk(KERN_INFO "CPU%d: ", 0);
         print_cpu_info(&cpu_data(0));
 }
-
-extern void impress_friends(void);
-extern void smp_checks(void);
-
-/*
- * Finish the SMP boot.
- */
-void __init native_smp_cpus_done(unsigned int max_cpus)
-{
-        smpboot_restore_warm_reset_vector();
-
-        Dprintk("Boot done.\n");
-
-        impress_friends();
-        smp_checks();
-        setup_ioapic_dest();
-        check_nmi_watchdog();
-}