higher speed mutexes

[Petri Helenius]

David Xu wrote:

>
>
> because we use simple mutex to protect rwlock, if simple mutex is
> improved, rwlock should be improved by this side effect.
>
But rwlock will be significantly more expensive than a simple mutex when 
uncontested, right?

> you can browse my perforce repository, it requires -CURRENT and when
> I put it to public, it will need newest -CURRENT kernel. ;-)

Is this on the "merge path" to 5.4 or only 6.0?

Pete