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


From: Yoshinori K. Okuji
Subject: Re: address@hidden: GSoC proposal, device driver glue code]
Date: Fri, 23 Mar 2007 01:25:23 +0100
User-agent: KMail/1.8.2

On Friday 23 March 2007 00:49, 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 <address@hidden>, of course.

Not bad.

Something missing in this proposal is how to deal with runtime changes, 
especially for USB devices. There were a lot of changes between Linux 2.4 and 
2.6, but most of them were related to dynamic configurations and SMP systems. 
IIRC, GNU Mach initializes devices only at boot time, so this requires huge 
effort on the design.

But this might be a bit overkill for SoC. Only replacing drivers with newer 
ones is also worth doing, so it might be better to focus on a narrow range.

Okuji




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