review request (Mx2) 4396719 & 6867958 mark sweep stack overflow

[John Coomes]

I (John.Coomes at sun.com) wrote:
> This is two requests in one, which may be :-) or :-( depending on your
> viewpoint.
> 
> The first is for work done by Peter Kessler before he moved to another
> group:
> 
> 	http://cr.openjdk.java.net/~jcoomes/4396719-fat-stack/	
> 
> I've simply kept this work up to date and done some additional
> testing.  I reviewed his original changes, so one additional reviewer
> would be nice.
> 
> The second is a follow-on change, which reduces the performance impact
> of 4396719 slightly:
> 
> 	http://cr.openjdk.java.net/~jcoomes/6867958-fat-stack/
> ...

After discussions with several other engineers, I'm withdrawing this
review request.  There are some alternative solutions to explore
before we commit to this approach.

-John