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Re: GNU Mach glue code update

From: Constantine Kousoulos
Subject: Re: GNU Mach glue code update
Date: Mon, 17 Jul 2006 14:35:51 +0300
User-agent: Mozilla Thunderbird 1.5 (Windows/20051201)

Hello all,

Sometime ago, i posted a question on bug-hurd:
At that time, I decided to work on gnumach's device drivers but i
didn't announce it for a few reasons. First, i 'm no linux
kernel guru, so i needed time to explore the inner workings of 2.6
kernel (i still need a little time). In addition, i'm no gnumach
guru, so i need time to get familiar with that also ;). Thirdly,
I was a bit discouraged from the allmost zero replies to my question.

Anyway, updating gnumach's drivers is something that intrigues me
and i'd like to get involved.

I have a few thoughts on the subject. I agree with Thomas that the
glue code probably needs rewriting. However, since the linux
kernel doesn't have a stable interface, it is very likely that if
we would like to update gnumach's drivers in the near future, we
would need to rewrite all over again the glue code. In that way,
writing glue code is not very reusable. I could try writing
gnumach native drivers, although i'm not sure this is a better

Using an approach (which was presented at last year's RMLL) like
<http://l4ka.org/publications/paper.php?docid=1208> ``Unmodified Device
Driver Reuse and Improved System Dependability via Virtual Machines'' --
although being very interesting -- is most probably not feasible within
Mach's environment, I guess.

Although i've read the paper, i never thought to implement it on
gnumach. Hmmm...

O/H Richard Braun έγραψε:
As a first step to implementing the sound system, it looks almost
necessary to update the glue code. First, I'd like to know if anyone
has begun this work or intends to do it.
I could focus on porting linux's sound drivers as a primary
develpment target. I have to admit though, that i was thinking on
focusing on usb support first.

Feel free to share any thoughts and comments.

However, I would like to inform you that for the next 7 days i
will take a summer vacation. I will continue the development when
i return.


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