[FreeVMS] Re: gMach or Linux kernel ?

Subject: [FreeVMS] Re: gMach or Linux kernel ?
From: BERTRAND JoŽl (joel.k.bertrand@free.fr)
Date: Wed Oct 17 2001 - 14:58:46 CEST

Richard Banks wrote:

>>I have seen that there are many subscribers. So, we can begin to
>>argue about advantages and disadvantages of three kernel types :
> So...
> What are the criteria for speed, hardware support, object/modular
> design, documentation, license restrictions, SMP support,
> configurability, etc...

Hardware support : i386, ia64, ppc, alpha (with SMP support) in a first

License : GPL.

> I think these should determine the choice of microkernel so maybe we
> should argue these first.

        I don't know gMach, but I have downloaded the last version of Hurd which
contains gMach. The development of gMach seems to be stopped, and gMach
only runs on i386. So, to be portable, the microkernel must be
another Mach microkernel. I have tried the xMach version without success
(gcc-3.0.1 doesn't compile this kernel...).

        For me, the Linux kernel is a good starting point. It's modular,
supports some hardwares and SMP, and is POSIX. It need in a first time a
new filesystem (and a new VFS) and a new process manager.



PS : Does someone archive this mailing list ?

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