Re: [PATCH RFC 22/22] riscv: convert to use arch_cpu_is_hotpluggable()

Palmer Dabbelt <[email protected]> Tue, 07 Nov 2023 09:48:09 -0800 (PST)
Newsgroups gmane.linux.documentation,gmane.linux.power-management.general,gmane.linux.acpi.devel,gmane.linux.kernel.cross-arch,gmane.linux.kernel,gmane.linux.ports.arm.kernel,gmane.linux.ports.riscv,gmane.linux.ports.ia64,gmane.linux.ports.parisc
Message-ID <mhng-b535d186-b241-4fe8-a6b5-b06aff516d1c@palmer-ri-x1c9>
On Tue, 07 Nov 2023 02:31:11 PST (-0800), [email protected] wrote:
> Convert riscv to use the arch_cpu_is_hotpluggable() helper rather than
> arch_register_cpu().
>
> Signed-off-by: Russell King (Oracle) <[email protected]>
> ---
>  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 <[email protected]>