RE: [RFC][PATCH 2/7] kref: Add kref_read()

[Reshetova, Elena]

> Even if we now find all occurrences of atomic_t used as refcounter 
> (which we cannot actually guarantee in any case unless someone 
> manually reads every line) and convert it to refcount_t, we still have 
> atomic_t type present and new usage of it as refount will crawl in. It 
> is just a matter of time IMO.

>Improve tooling. The patterns shouldn't be _that_ hard to find. Once the tools are good, new code isn't a problem either.

Moreover, thinking of out of tree drivers: you think they would always do checkpatch or run some of our tools for security checks?