linux_dsm_epyc7002/arch/arm/mach-mvebu/hotplug.c

/*
 * Symmetric Multi Processing (SMP) support for Armada XP
 *
 * Copyright (C) 2012 Marvell
 *
 * Lior Amsalem <alior@marvell.com>
 * Gregory CLEMENT <gregory.clement@free-electrons.com>
 * Thomas Petazzoni <thomas.petazzoni@free-electrons.com>
 *
 * This file is licensed under the terms of the GNU General Public
 * License version 2.  This program is licensed "as is" without any
 * warranty of any kind, whether express or implied.
 */
#include <linux/kernel.h>
#include <linux/errno.h>
#include <linux/smp.h>
#include <asm/proc-fns.h>
#include "common.h"

/*
 * platform-specific code to shutdown a CPU
 *
 * Called with IRQs disabled
 */
void __ref armada_xp_cpu_die(unsigned int cpu)
{
	cpu_do_idle();

	/* We should never return from idle */
	panic("mvebu: cpu %d unexpectedly exit from shutdown\n", cpu);
}