Re: [PATCH v5 4/4] arm64: Kconfig: Enable HOTPLUG_SMT

[Pierre Gondois]

Hello Yicong,

Is it necessary to have an explicit dependency over SMP for arm64 ? Cf.
  commit 4b3dc9679cf7 ("arm64: force CONFIG_SMP=y and remove redundant #ifdefs")

Regards,
Pierre

On 8/6/24 10:53, Yicong Yang wrote:
> From: Yicong Yang <yangyicong@xxxxxxxxxxxxx>
>
> Enable HOTPLUG_SMT for SMT control.
>
> Signed-off-by: Yicong Yang <yangyicong@xxxxxxxxxxxxx>
> ---
>   arch/arm64/Kconfig | 1 +
>   1 file changed, 1 insertion(+)
>
> diff --git a/arch/arm64/Kconfig b/arch/arm64/Kconfig
> index a2f8ff354ca6..bd3bc2f5e0ec 100644
> --- a/arch/arm64/Kconfig
> +++ b/arch/arm64/Kconfig
> @@ -238,6 +238,7 @@ config ARM64
>   	select HAVE_KRETPROBES
>   	select HAVE_GENERIC_VDSO
>   	select HOTPLUG_CORE_SYNC_DEAD if HOTPLUG_CPU
> +	select HOTPLUG_SMT if (SMP && HOTPLUG_CPU)
>   	select IRQ_DOMAIN
>   	select IRQ_FORCED_THREADING
>   	select KASAN_VMALLOC if KASAN