Re: [PATCH v3 08/13] genirq: Add explicit housekeeping callback for managed IRQ migration

[Thomas Gleixner]

On Tue, Jun 23 2026 at 12:36, Jing Wu wrote:
> On Thu, Jun 18 2026 at 22:27, Thomas Gleixner wrote:
> That said, I fully accept the architectural feedback: the on-the-fly
> subsystem modification approach in v3 is wrong, and v4 should use the
> CPU hotplug machinery.
>
> We are open to coordinating with Waiman on a unified approach that
> covers both use cases. Before starting v4, two questions:
>
>   1. Is the "no boot parameter required" use case worth pursuing
>      independently, or should it be folded into Waiman's series?

Sort it out with him.

>   2. For the hotplug path: is CPU-by-CPU offline/online the expected
>      mechanism, given that you rejected the cpuhp_offline_cb() bulk
>      approach in Waiman's v1?

I think so. It makes the most sense.