Re: [PATCH v2 2/3] cpu/hotplug: Weak fallback for arch_cpuhp_init_parallel_bringup
From: Thomas Gleixner
Date: Tue Jul 16 2024 - 00:53:13 EST
On Mon, Jul 15 2024 at 21:35, Jiaxun Yang wrote:
> It is a general assumption that architectures entitled to parallel
> bringup with CONFIG_HOTPLUG_PARALLEL do expect parallel bringup to
> be available.
I can't parse that sentence.
> Provide a weak fallback arch_cpuhp_init_parallel_bringup function
> to match this assumption.
I assume you want to say something like this:
CONFIG_HOTPLUG_PARALLEL expects the architecture to implement
arch_cpuhp_init_parallel_bringup() to decide whether paralllel hotplug
is possible and to do the necessary architecture specific
initialization.
There are architectures which can enable it unconditionally and do not
require architecture specific initialization.
Provide a wark fallback for arch_cpuhp_init_parallel_bringup() so that
such architectures are not forced to implement empty stub functions.
Thanks,
tglx