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SubjectRe: [ANNOUNCE] Withdrawl of Open Source NDS Project/NTFS/M2FS forLinux


Ingo Molnar wrote:
>
> On Tue, 5 Sep 2000, Jeff V. Merkey wrote:
>
> > A kernel debugger will reduce development costs. No one cares what's
> > underneath, [...]
>
> this is the point where IMO your argument gets flawed, and where you are
> apparently ignoring our arguments. With utmost respect, we *do* care about
> what's underneath. The health of what's underneath fueled and fuels the
> growth of Linux. I'd like to repeat it again: we cannot optimize for both
> the speed of FS driver development (your goal - correct me if i got it
> wrong), and long term health of the kernel proper itself (our goal),
> because in some areas (such as the inclusion of high complexity debugging
> facilities) they do contradict. (mostly they dont contradict) Long term
> health has priority - i cannot put it any simpler for you. Anyone who
> thinks driver development is the most important for Linux then thats a
> pretty shortsighted view IMO.
>

Ingo,

I think the disconnect for you here is that you assume the Linux world
will remain constant and that everything must look like unix to be
good. In NetWare, susbsytems that are user space in Linux are in-kernel
in NetWare for speed. NDS is a good example. NCP is another, routing is
another. I am moving this stuff in-kernel to replicate NetWare's
performance -- debugging an in-kernel NDS with "code reviews" will take
forever. Just because Linux puts everything in user space does not mean
that's how the whole world should be. There's a lot of kernel
development I'm sure folks want to do with Linux they cannot because it
too tough to debug. SMP problems I've run into on Linux with just take
too long without these types of tools. THis is simple issue. I told
Darren Major, Drew Major's brother, folks comments this morning against
a kernel debugger in Linux -- he shook his head and said "how stupid can
they be?" Enough said.

Jeff


> Ingo
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