x86: merge __cpu_disable and cpu_die

They are now equal, and are moved to a common file

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

1 files changed, 0 insertions, 67 deletions

diff --git a/arch/x86/kernel/smpboot_32.c b/arch/x86/kernel/smpboot_32.c
index 3d21c663aa7..00b1b59cd56 100644
--- a/arch/x86/kernel/smpboot_32.c
+++ b/arch/x86/kernel/smpboot_32.c
@@ -1040,73 +1040,6 @@ void __init native_smp_prepare_boot_cpu(void)
 	__get_cpu_var(cpu_state) = CPU_ONLINE;
 }
 
-#ifdef CONFIG_HOTPLUG_CPU
-static void __ref remove_cpu_from_maps(int cpu)
-{
-	cpu_clear(cpu, cpu_online_map);
-}
-
-int __cpu_disable(void)
-{
-	cpumask_t map = cpu_online_map;
-	int cpu = smp_processor_id();
-
-	/*
-	 * Perhaps use cpufreq to drop frequency, but that could go
-	 * into generic code.
- 	 *
-	 * We won't take down the boot processor on i386 due to some
-	 * interrupts only being able to be serviced by the BSP.
-	 * Especially so if we're not using an IOAPIC	-zwane
-	 */
-	if (cpu == 0)
-		return -EBUSY;
-	if (nmi_watchdog == NMI_LOCAL_APIC)
-		stop_apic_nmi_watchdog(NULL);
-	clear_local_APIC();
-	/* Allow any queued timer interrupts to get serviced */
-	local_irq_enable();
-	mdelay(1);
-	local_irq_disable();
-
-	remove_siblinginfo(cpu);
-
-	remove_cpu_from_maps(cpu);
-	fixup_irqs(map);
-
-	return 0;
-}
-
-void __cpu_die(unsigned int cpu)
-{
-	/* We don't do anything here: idle task is faking death itself. */
-	unsigned int i;
-
-	for (i = 0; i < 10; i++) {
-		/* They ack this in play_dead by setting CPU_DEAD */
-		if (per_cpu(cpu_state, cpu) == CPU_DEAD) {
-			printk ("CPU %d is now offline\n", cpu);
-			if (1 == num_online_cpus())
-				alternatives_smp_switch(0);
-			return;
-		}
-		msleep(100);
-	}
- 	printk(KERN_ERR "CPU %u didn't die...\n", cpu);
-}
-#else /* ... !CONFIG_HOTPLUG_CPU */
-int __cpu_disable(void)
-{
-	return -ENOSYS;
-}
-
-void __cpu_die(unsigned int cpu)
-{
-	/* We said "no" in __cpu_disable */
-	BUG();
-}
-#endif /* CONFIG_HOTPLUG_CPU */
-
 int __cpuinit native_cpu_up(unsigned int cpu)
 {
 	unsigned long flags;