Use the new smp_shutdown_nonboot_cpus() instead of using cpu_down()
directly.
Use reboot_cpu instead of hardcoding the boot CPU to 0.
This also prepares to make cpu_up/down() a private interface of the CPU
subsystem.
Signed-off-by: Qais Yousef <qais.yousef@arm.com>
Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
Cc: Tony Luck <tony.luck@intel.com>
Cc: Fenghua Yu <fenghua.yu@intel.com>
Link: https://lkml.kernel.org/r/20200323135110.30522-4-qais.yousef@arm.com
void machine_shutdown(void)
{
-#ifdef CONFIG_HOTPLUG_CPU
- int cpu;
+ smp_shutdown_nonboot_cpus(reboot_cpu);
- for_each_online_cpu(cpu) {
- if (cpu != smp_processor_id())
- cpu_down(cpu);
- }
-#endif
#ifdef CONFIG_KEXEC
kexec_disable_iosapic();
#endif