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ia64: Replace cpu_down() with smp_shutdown_nonboot_cpus()

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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
This commit is contained in:
Qais Yousef 2020-03-23 13:50:56 +00:00 committed by Thomas Gleixner
parent 0441a5597c
commit 1e42176b4d
1 changed files with 1 additions and 7 deletions
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8
arch/ia64/kernel/process.c
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@ -646,14 +646,8 @@ cpu_halt (void)
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