[patch v3 14/36] [patch V2 14/38] cpu/hotplug: Rework sparse_irq locking in bringup_cpu()

Tue May 9 05:10:06 PDT 2023

On Tue, May 09 2023 at 13:02, Peter Zijlstra wrote:
> On Mon, May 08, 2023 at 09:43:49PM +0200, Thomas Gleixner wrote:
>> From: Thomas Gleixner <tglx at linutronix.de>
>> 
>> There is no harm to hold sparse_irq lock until the upcoming CPU completes
>> in cpuhp_online_idle(). This allows to remove cpu_online() synchronization
>> from architecture code.
>
> Uuuuuhh.. damn. Can you at the very least ammend the comment near
> irq_lock_sparse() to mention these extra duties?

Will do.