[PATCH 21/21] riscv: convert to use arch_cpu_is_hotpluggable()

Russell King (Oracle)
2023-11-21T13:45:41Z

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>
---
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 b3a0aa2b78d5..7493fafbe4cb 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