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SubjectRe: [PATCH RFC 22/22] riscv: convert to use arch_cpu_is_hotpluggable()
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On Tue, 07 Nov 2023 02:31:11 PST (-0800), rmk+kernel@armlinux.org.uk wrote:
> Convert riscv to use the arch_cpu_is_hotpluggable() helper rather than
> arch_register_cpu().
>
> 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 f8875ae1b0aa..168f0db63d53 100644
> --- a/arch/riscv/kernel/setup.c
> +++ b/arch/riscv/kernel/setup.c
> @@ -294,12 +294,9 @@ void __init setup_arch(char **cmdline_p)
> riscv_set_dma_cache_alignment();
> }
>
> -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)

Acked-by: Palmer Dabbelt <palmer@rivosinc.com>

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