Re: [RFC][PATCH 1/2] locking: Introduce __cleanup__ based guards

[Waiman Long]

On 5/26/23 14:58, Mathieu Desnoyers wrote:
> On 5/26/23 14:49, Waiman Long wrote:
> [...]
> > BTW, do we have a use case for double_lock_guard/double_lock_scope? I 
> > can envision a nested lock_scope inside a lock_scope, but taking 2 
> > auto locks of the same type at init time and then unlock them at exit 
> > just doesn't make sense to me.
>
> AFAIU taking both runqueue locks for source and destination runqueues 
> on migration is one use-case for double_lock_guard/scope.
I see. Thanks for the clarification. I forgot about that special case.

Cheers,
Longman