Re: [Xen-devel] Re: NPTL/TLS "emulation" idea (fwd)

[Rik van Riel <riel@xxxxxxxxxx>]

On Wed, 20 Oct 2004, Keir Fraser wrote:

> More feasible long-term solutions include:
> 
>  1. Modify the ABI to disallow -ve accesses [sounds like this
>     possibility is vetoed by Ulrich Drepper].
> 
>  2. Provide alternative apps/libraries that do not cause -ve accesses.

   4. Provide an alternative libc that does the +ve accesses (which are
      libc private, afaik) in another segment.  This does not break the
      ABI for userland programs and -ve accesses aren't that bad when
      there are no +ve accesses in the same segment.

-- 
"Debugging is twice as hard as writing the code in the first place.
Therefore, if you write the code as cleverly as possible, you are,
by definition, not smart enough to debug it." - Brian W. Kernighan



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