linux-kernel - [PATCH 13/21] arm64: convert to arch_cpu_is

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Message-Id: <E1r5R3g-00Cszg-PP@rmk-PC.armlinux.org.uk>
Date:   Tue, 21 Nov 2023 13:44:56 +0000
From:   "Russell King (Oracle)" <rmk+kernel@...linux.org.uk>
To:     linux-pm@...r.kernel.org, loongarch@...ts.linux.dev,
        linux-acpi@...r.kernel.org, linux-arch@...r.kernel.org,
        linux-kernel@...r.kernel.org, linux-arm-kernel@...ts.infradead.org,
        linux-riscv@...ts.infradead.org, kvmarm@...ts.linux.dev,
        x86@...nel.org, linux-csky@...r.kernel.org,
        linux-doc@...r.kernel.org, linux-ia64@...r.kernel.org,
        linux-parisc@...r.kernel.org
Cc:     Salil Mehta <salil.mehta@...wei.com>,
        Jean-Philippe Brucker <jean-philippe@...aro.org>,
        jianyong.wu@....com, justin.he@....com,
        James Morse <james.morse@....com>,
        Catalin Marinas <catalin.marinas@....com>,
        Will Deacon <will@...nel.org>
Subject: [PATCH 13/21] arm64: convert to arch_cpu_is_hotpluggable()

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

Reviewed-by: Shaoqin Huang <shahuang@...hat.com>
Reviewed-by: Gavin Shan <gshan@...hat.com>
Signed-off-by: Russell King (Oracle) <rmk+kernel@...linux.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