Re: A Layered Kernel: Proposal

[Rik van Riel]

On Wed, 25 Feb 2004, Grigor Gatchev wrote:

> > I'm all for cleaning up the badly written code so it fits
> > in better with the rest of the kernel ;)
> 
> Unhappily, cleaning up would not be enough. A separation of the kernel
> layers, to the extent that one may be able to use them independently,
> and to plug modules between them (having the appropriate access) may be
> better.

Some parts of the kernel (eg. the VFS or the device driver
layers) can already do that, while others still have layering
violations.

I suspect that the least destabilising way of moving to a
more modular model would be to gradually clean up the layering
violations in the rest of the code, until things are modular.

Yes, I know it's a lot of work ...

-- 
"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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