Re: [PATCH 6.18.y 0/6] Backport spin_lock_irq_disable() to 6.18.y

[Sasha Levin]

> This series backports the new spin_lock_irq_disable() API, as well as
> the new SpinLockIrq API for Rust to 6.18.y. This means that any upstream
> code using these APIs can be backported cleanly to 6.18.y without

I'm a bit puzzled why we need this backported. It looks like a new feature?

-- 
Thanks,
Sasha