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Re: [address@hidden: GSoC proposal, device driver glue code]

From: Richard Braun
Subject: Re: [address@hidden: GSoC proposal, device driver glue code]
Date: Fri, 23 Mar 2007 21:33:22 +0100
User-agent: Mutt/1.5.9i

On Fri, Mar 23, 2007 at 12:49:28AM +0100, Thomas Schwinge wrote:
> Hello Okuji and Richard!
> May I ask you to have a look at the attached email and especially the url
> referenced in there, <http://www.cslab.ntua.gr/~ananos/proposal.html>?
> This application makes a rather profound impression to me.
> Feel free to directly reply to <bug-hurd@gnu.org>, of course.

I like this proposal but I also have a question : did you consider BSD
drivers ? I understand you have experience with Linux drivers, and this
is a very good reason to work on a glue code for them, but from what I
could see (at least this was true with earlier version of Linux), there
were device drivers tightly related to some kernel internals (the
example I have in mind is some drivers directly accessing mem_map, which
could not be emulated in a glue code).

BSD has common roots with Mach, which may make BSD drivers integration
simpler. For example, the VM and waiting/locking primitives are quite

I wouldn't mind if you simply answer you want to work on Linux drivers.
Learning yet another OS may be too much work...

Richard Braun

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