Re: GCC nested functions?

[Christoph Hellwig]

On Wed, May 12, 2004 at 10:59:24AM -0700, Stephen Hemminger wrote:
> Redoing it as separate functions is easy enough, but the questions are:
> 	- Are gcc nested functions allowed in the kernel?  If not where should
> 	  this restriction be put in Documentation? CodingStyles?

nested function are a horrible gcc misfeature.  So far people had enough
taste to not introduce them without explicitly forbidding it ;-)

Maybe we should add a section to Documentation/CodingStyles that says
which gcc extensions are okay for kernel use.

> 	- Or is gcc on ia64 just too stupid? or do some more support routines
> 	  need to exist in arch/ia64?
> 	- Do other architectures (sparc, ppc) have similar problems?

There's a few architectures needing libgcc help for trampolines, but I
don't remember which ones exactly.

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