Re: [PATCH] mm/mmu_notifier: Remove non_block_start/end() from notifier invocation

[Sebastian Andrzej Siewior]

On 2026-08-25 13:51:14 [-0700], Paul E. McKenney wrote:
> Very good, preemption disabling it is!  It is quite possible that the
> PREEMPT_RT guys will need something else, but one thing at a time.

This reminds me of classic RCU ;) It might work in this use case but I
am afraid that other users might come along where it actually hurts.
With PREEMPT LAZY the preemption within the read-section should
hopefully be the exception.

…
> 							Thanx, Paul

Sebastian