Re: [PATCH RFC v6 00/21] DEPT(Dependency Tracker)

[Steven Rostedt]

On Tue, 10 May 2022 08:38:38 +0900
Byungchul Park <byungchul.park@xxxxxxx> wrote:

> Yes, I was talking about A and L'.
> 
> > detect that regardless of L. A nested lock associates the the nesting with  
> 
> When I checked Lockdep code, L' with depth n + 1 and L' with depth n
> have different classes in Lockdep.

If that's the case, then that's a bug in lockdep.

> 
> That's why I said Lockdep cannot detect it. By any chance, has it
> changed so as to consider this case? Or am I missing something?

No, it's not that lockdep cannot detect it, it should detect it. If it is
not detecting it, then we need to fix that.

-- Steve