Date: Fri, 24 May 1996 19:22:47 -0700 (MST) From: Don Yuniskis <dgy@rtd.com> To: jehamby@lightside.com (Jake Hamby) Cc: freebsd-hackers@freefall.FreeBSD.org (FreeBSD hackers) Subject: Re: Mac Linux: Nothing to worry about :-) Message-ID: <199605250222.TAA07299@seagull.rtd.com> In-Reply-To: <Pine.AUX.3.91.960523220732.22381B-100000@covina.lightside.com> from "Jake Hamby" at May 24, 96 11:28:03 am
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> There is one fortunate thing out of all this: The OSF and Apple-developed > source code to the Mach kernel and Linux server are all freely available > and covered under a standard BSD-style copyright! Whoohoo! This means a > Free/NetBSD port to PowerMac is now feasible! Unfortunately I lack the > PPC assembly language and kernel hacking knowledge to undertake such a > beast, however I sincerely hope somebody else (Terry?) decides to take > this on. > > The question is: Would it be best to build a BSD "personality" > server on top of a Mach kernel, as MkLinux is built, or scrap that idea I assume MkLinux is a single server? > and build a traditional BSD kernel? OSF claims the advantage of Mach > lies in SMP, real-time, and portability (port the microkernel to a new > architecture, then simply recompile the Linux server), but obviously this > is going to use more RAM and CPU than a "native" BSD kernel. Comments? There are many performance hits with the microkernel approach. Though, with today's screamers and memory prices so low, I wonder if it really matters? And, while "multipersonality" hosts are feasible, I doubt anyone has ironed that issue out completely... Just my $0.02...
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