[PATCH] PPC linuxthreads tls.h fix

[Roland McGrath]

> This, I think is a mistake.  There's a difference between
> the "tcbhead_t", i.e. the dtv/reserved double word, and the
> thread control block used by the thread library.
> 
> We've already reserved offsets [-0x8000,-0x7010] from TP
> for the private use of the thread library.  Seems to me that
> bit o data can go in there somewhere.

That's exactly how I've done it in my tree.  This stuff will get checked in
and finished after the 2.3.2 release.