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x86/topology: convert to use arch_cpu_is_hotpluggable()

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Convert x86 to use the arch_cpu_is_hotpluggable() helper rather than
arch_register_cpu().

Reviewed-by: Gavin Shan <gshan@redhat.com>
Signed-off-by: "Russell King (Oracle)" <rmk+kernel@armlinux.org.uk>
Reviewed-by: Jonathan Cameron <Jonathan.Cameron@huawei.com>
Reviewed-by: Thomas Gleixner <tglx@linutronix.de>
Link: https://lore.kernel.org/r/E1r5R3w-00Cszy-6k@rmk-PC.armlinux.org.uk
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
This commit is contained in:
Russell King (Oracle) 2023-11-21 13:45:12 +00:00 committed by Greg Kroah-Hartman
parent b0b26bc580
commit e850a5c406
1 changed files with 2 additions and 5 deletions
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7
arch/x86/kernel/topology.c
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@ -36,11 +36,8 @@
#include <asm/cpu.h>
#ifdef CONFIG_HOTPLUG_CPU
int arch_register_cpu(int cpu)
bool arch_cpu_is_hotpluggable(int cpu)
{
struct cpu *c = per_cpu_ptr(&cpu_devices, cpu);
c->hotpluggable = cpu > 0;
return register_cpu(c, cpu);
return cpu > 0;
}
#endif /* CONFIG_HOTPLUG_CPU */