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Re: [ANN] Lunatik -- NetBSD kernel scripting with Lua (GSoC project results)

On Sun, Oct 10, 2010 at 10:45 PM, Samuel Greear <> 
> On Tue, Oct 5, 2010 at 3:24 PM, Lourival Vieira Neto
> <> wrote:
>> Hi folks,
>> I'm glad to announce the results of my GSoC project this year [1].
>> We've created the support for scripting the NetBSD kernel with Lua,
>> which we called Lunatik and it is composed by a port of the Lua
>> interpreter to the kernel, a kernel programming interface for
>> extending subsystems and a user-space interface for loading user
>> scripts into the kernel. You can see more details on [2]. I am
>> currently working on the improvement of its implementation, on the
>> documentation and on the integration between Lunatik and other
>> subsystems, such as npf(9), to provide a real usage scenario.
>> I'd like to take this space also to publicly thank Marc Balmer, for
>> his kind support; prof. Roberto Ierusalimschy, for his comprehension
>> and support; and NetBSD developers for their prompt help.
>> [1] 
>> [2]
>> Cheers,
>> --
>> Lourival Vieira Neto
> I eagerly waited to see the results of this project all summer, I did
> peruse the code as soon as you put it up on the google code hosting
> site.
> My brief notes (from memory):
> I didn't see any bindings, maybe there were some, but if I missed them
> there can't be very many, Lua in the kernel is fairly useless unless
> you can call into the public kernel api.
> I didn't like the fact that the only option for loading a script into
> the kernel was to load the script source. I would make loading
> pre-compiled scripts the preferential method. In fact, I would
> probably tear eval out of the kernel lua implementation and only
> support loading of precompiled byte-code into the kernel.
> I hope you continue working on this, I see potential and at some point
> I would like to evaluate this for inclusion in DragonFly BSD.
> Best,
> Sam

The message above was sent both for tech-kern and Lua mailing lists
and we had valuable considerations about loading pre-compiled scripts
there. If want to keep track, here is the archive

Lourival Vieira Neto

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