PATCH: Generic function descriptor without lock

[Ulrich Drepper]

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H. J. Lu wrote:
> This patch implements generic function descriptor without lock. It
> works on my ia64 UP machine.

I've applied the patch now.  There was one little race condition left
(if a new fdesc table was created, the first element was unconditionally
used) and I've changed the make_fdesc to never return a NULL pointer.
This really isn't necessary, the following cmpxchg will catch that case.

Thanks,

- -- 
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Ulrich Drepper \    ,-----------------'   \ Mountain View, CA 94041 USA
Red Hat         `--' drepper at redhat.com `---------------------------
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