Re: [RFC PATCH v3 3/3] genirq/cpuhotplug: Adjust managed irqs according to change of housekeeping CPU

[Costa Shulyupin]

On Tue, 29 Oct 2024 at 20:54, Thomas Gleixner <tglx@xxxxxxxxxxxxx> wrote:
> CPU hotplug solves this problem without any hackery. Take a CPU offline,
> change the mask of that CPU and bring it online again. Repeat until all
> CPU changes are done.

Unfortunately, CPU hotplug interferes with realtime tests and is far from
suitable for CPU isolation.

Details:
- https://lore.kernel.org/lkml/87frmj73qj.ffs@tglx/
- https://lore.kernel.org/lkml/Z3l_2CiDgmDmAktE@xxxxxxxxxxxxx/

Thank you,
Costa