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Subject[PATCH 13/21] arm64: convert to arch_cpu_is_hotpluggable()
Date
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>
---
arch/arm64/kernel/setup.c | 8 ++------
1 file changed, 2 insertions(+), 6 deletions(-)

diff --git a/arch/arm64/kernel/setup.c b/arch/arm64/kernel/setup.c
index 165bd2c0dd5a..42c690bb2d60 100644
--- a/arch/arm64/kernel/setup.c
+++ b/arch/arm64/kernel/setup.c
@@ -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)
--
2.30.2
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