> This is likely another stupid question. But I've readed some of the debate
> on kernel, user space separation, how it is a Good Thing. And then I see
> things like autofs being included in the kernel, just on the surface at least,
> that would seem to be inconsistent with kernel-user separation. No other
> Unix system out there, that I know of, has included autofs/automount/amd stuff
> into the kernel, and it's inclusion in Linux struck me as funny, even before
> I saw the debate on this list. What benefit does Linux get in including
> autofs? And is it not a violation of kernel-user separation?
You seem to know few Unix systems then. All Unixes using the Sun NFS/ONC
suite (at least Solaris, HP/UX, Reliant Unix, I believe Unixware too) have
a kernel level automounter. AMD has some inhererent races that were easy
to fix by moving parts of it into the kernel.
-A.
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