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authorQais Yousef <qais.yousef@arm.com>2020-03-23 13:50:56 +0000
committerThomas Gleixner <tglx@linutronix.de>2020-03-25 12:59:32 +0100
commit1e42176b4dac328b0be7075c2cebdf2006d31eb3 (patch)
tree034ca54b9cd4e9a1fba06bf1dd5b599e392f7cd0 /arch
parent0441a5597c5d02ed7abed1d989eaaa1595dedac5 (diff)
downloadlinux-1e42176b4dac328b0be7075c2cebdf2006d31eb3.tar.gz
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

Diffstat (limited to 'arch')
-rw-r--r--arch/ia64/kernel/process.c8
1 files changed, 1 insertions, 7 deletions
diff --git a/arch/ia64/kernel/process.c b/arch/ia64/kernel/process.c
index 968b5f33e725..bf4c0cdb7a25 100644
--- a/arch/ia64/kernel/process.c
+++ b/arch/ia64/kernel/process.c
@@ -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