Re: [PATCH RFC 1/3] cpu/hotplug: Introduce CONFIG_PARALLEL_SMT_PRIMARY_FIRST

From: Peter Zijlstra

Date: Fri Jun 19 2026 - 05:42:16 EST


On Thu, Jun 18, 2026 at 05:17:03PM +0200, Thomas Gleixner wrote:

> Something simple like the uncompiled below should just work, no?
>
> ---
> --- a/arch/Kconfig
> +++ b/arch/Kconfig
> @@ -102,6 +102,10 @@ config HOTPLUG_PARALLEL
> bool
> select HOTPLUG_SPLIT_STARTUP
>
> +config HOTPLUG_PARALLEL_SMT
> + bool
> + select HOTPLUG_PARALLEL

depends on ARCH_SUPPORTS_SCHED_SMT ?