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arm64: convert to arch_cpu_is_hotpluggable()

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Convert arm64 to use the arch_cpu_is_hotpluggable() helper rather than
arch_register_cpu().

Reviewed-by: Shaoqin Huang <shahuang@redhat.com>
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/E1r5R3g-00Cszg-PP@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 13:44:56 +00:00 committed by Greg Kroah-Hartman
parent d127db1a23
commit 092cfbc6b5
1 changed files with 2 additions and 6 deletions
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8
arch/arm64/kernel/setup.c
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@ -402,13 +402,9 @@ static inline bool cpu_can_disable(unsigned int cpu)
return false;
}
int arch_register_cpu(int num)
bool arch_cpu_is_hotpluggable(int num)
{
struct cpu *cpu = &per_cpu(cpu_devices, num);
cpu->hotpluggable = cpu_can_disable(num);
return register_cpu(cpu, num);
return cpu_can_disable(num);
}
static void dump_kernel_offset(void)