Commit 1e42176b authored Mar 23, 2020 by Qais Yousef Committed by Thomas Gleixner Mar 25, 2020

ia64: Replace cpu_down() with smp_shutdown_nonboot_cpus()



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

parent 0441a559

arch/ia64/kernel/process.c

+1 −7

Original line number	Diff line number	Diff line
		@@ -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

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