1 files changed, 2 insertions, 18 deletions

diff --git a/arch/x86/kernel/smpboot.c b/arch/x86/kernel/smpboot.c
index 7c5a8c314c02..c80a33bc528b 100644
--- a/arch/x86/kernel/smpboot.c
+++ b/arch/x86/kernel/smpboot.c
@@ -665,7 +665,8 @@ static int __cpuinit do_boot_cpu(int apicid, int cpu, struct task_struct *idle)
         unsigned long boot_error = 0;
         int timeout;
 
-        alternatives_smp_switch(1);
+        /* Just in case we booted with a single CPU. */
+        alternatives_enable_smp();
 
         idle->thread.sp = (unsigned long) (((struct pt_regs *)
                           (THREAD_SIZE +  task_stack_page(idle))) - 1);
@@ -1053,20 +1054,6 @@ out:
         preempt_enable();
 }
 
-void arch_disable_nonboot_cpus_begin(void)
-{
-        /*
-         * Avoid the smp alternatives switch during the disable_nonboot_cpus().
-         * In the suspend path, we will be back in the SMP mode shortly anyways.
-         */
-        skip_smp_alternatives = true;
-}
-
-void arch_disable_nonboot_cpus_end(void)
-{
-        skip_smp_alternatives = false;
-}
-
 void arch_enable_nonboot_cpus_begin(void)
 {
         set_mtrr_aps_delayed_init();
@@ -1256,9 +1243,6 @@ void native_cpu_die(unsigned int cpu)
                 if (per_cpu(cpu_state, cpu) == CPU_DEAD) {
                         if (system_state == SYSTEM_RUNNING)
                                 pr_info("CPU %u is now offline\n", cpu);
-
-                        if (1 == num_online_cpus())
-                                alternatives_smp_switch(0);
                         return;
                 }
                 msleep(100);