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

[Thomas Gleixner]

On Fri, Jun 19 2026 at 11:41, Peter Zijlstra wrote:
> 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 ?

Probably. Did not think about that as this has to be anyway selected by
the architecture.