Re: [PATCH] locking/lockdep: Enforce PROVE_RAW_LOCK_NESTING only if ARCH_SUPPORTS_RT

Sebastian Andrzej Siewior
2024-11-27T16:44:46Z

On 2024-11-26 18:11:54 [-0500], Waiman Long wrote:
> Relax the rule to set PROVE_RAW_LOCK_NESTING by default only for arches
> that supports PREEMPT_RT. For arches that do not support PREEMPT_RT,
> they will not be forced to address irrelevant raw lock nesting issues
> when they want to enable PROVE_LOCKING.

I don't like the wording here. It is not "irrelevant raw lock nesting
issues". This is documented in Documentation/locking/locktypes.rst.
*IFF* we agree to ignore those because we don't want PREEMPT_RT on
certain architectures then okay. But please don't describe it as
irrelevant.

Sebastian