From 00bf4641201092fc06aa51f7dcf45d1ea4d3d4f7 Mon Sep 17 00:00:00 2001
From: "Russell King (Oracle)" <rmk+kernel@armlinux.org.uk>
Date: Tue, 21 Nov 2023 13:45:37 +0000
Subject: [PATCH] riscv: convert to use arch_cpu_is_hotpluggable()
Convert riscv to use the arch_cpu_is_hotpluggable() helper rather than
arch_register_cpu().
Acked-by: Palmer Dabbelt <palmer@rivosinc.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: Samuel Holland <samuel.holland@sifive.com>
Tested-by: Samuel Holland <samuel.holland@sifive.com> # On HiFive Unmatched
Reviewed-by: Thomas Gleixner <tglx@linutronix.de>
Link: https://lore.kernel.org/r/E1r5R4L-00Ct0d-To@rmk-PC.armlinux.org.uk
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
---
arch/riscv/kernel/setup.c | 7 ++-----
1 file changed, 2 insertions(+), 5 deletions(-)
diff --git a/arch/riscv/kernel/setup.c b/arch/riscv/kernel/setup.c
index b3a0aa2b78d5b..7493fafbe4cbb 100644
--- a/arch/riscv/kernel/setup.c
+++ b/arch/riscv/kernel/setup.c
@@ -298,12 +298,9 @@ void __init setup_arch(char **cmdline_p)
riscv_user_isa_enable();
}
-int arch_register_cpu(int cpu)
+bool arch_cpu_is_hotpluggable(int cpu)
{
- struct cpu *c = &per_cpu(cpu_devices, cpu);
-
- c->hotpluggable = cpu_has_hotplug(cpu);
- return register_cpu(c, cpu);
+ return cpu_has_hotplug(cpu);
}
void free_initmem(void)
--
2.30.2