Re: [PATCH RFC 14/22] arm64: convert to arch_cpu_is_hotpluggable()

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On 11/7/23 18:30, Russell King (Oracle) wrote:
Convert arm64 to use the arch_cpu_is_hotpluggable() helper rather than
arch_register_cpu().

Signed-off-by: Russell King (Oracle) <rmk+kernel@xxxxxxxxxxxxxxx>
Reviewed-by: Shaoqin Huang <shahuang@xxxxxxxxxx>
---
  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)

--
Shaoqin





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