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// SPDX-License-Identifier: GPL-2.0
#include <linux/acpi.h>
#include <linux/cpu.h>
#include <linux/cpumask.h>
#include <linux/init.h>
#include <linux/node.h>
#include <linux/nodemask.h>
#include <linux/percpu.h>
#include <asm/bootinfo.h>
#include <acpi/processor.h>
#ifdef CONFIG_HOTPLUG_CPU
int arch_register_cpu(int cpu)
{
int ret;
struct cpu *c = &per_cpu(cpu_devices, cpu);
c->hotpluggable = !io_master(cpu);
ret = register_cpu(c, cpu);
if (ret < 0)
pr_warn("register_cpu %d failed (%d)\n", cpu, ret);
return ret;
}
EXPORT_SYMBOL(arch_register_cpu);
void arch_unregister_cpu(int cpu)
{
struct cpu *c = &per_cpu(cpu_devices, cpu);
c->hotpluggable = 0;
unregister_cpu(c);
}
EXPORT_SYMBOL(arch_unregister_cpu);
#endif
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