[openib-general] [RFC] [PATCH] IB/uverbs: Don't serialize with ib_uverbs_idr_mutex

[Sean Hefty]

> I started thinking about the "kill ib_uverbs_idr_mutex" problem, and I
> realized that there are actually some interesting issues there (as
> described in the comment at the top of uverbs_cmd.c).  In fact I ended
> up coding the solution below.  This passes some basic tests but it
> could probably use some review.

The basic approach seems fine to me.  It would be nice to eliminate the live 
flag, but I can't think of a way to do so.

- Sean