Re: Userspace I/O driver core

[Avi Kivity]

Arjan van de Ven wrote:
> On Thu, 2006-12-14 at 12:46 +0200, Avi Kivity wrote:
>   
> > Arjan van de Ven wrote:
> >     
> > > > I understand one still has to write a kernel driver to shut up the irq.  
> > > > How about writing a small bytecode interpreter to make event than 
> > > > unnecessary?
> > > >     
> > > >         
> > > if you do that why not do a real driver.
> > >
> > >   
> > >       
> > An entire driver in bytecode? 
> >     
>
> no a real, non-bytecode driver.
>
>   

Isn't the whole point of uio is to avoid writing a kernel mode driver?

As proposed, it doesn't quite accomplish it.  With an additional 
bytecode interpreter, you can have a 100% userspace driver (the bytecode 
interpreter would be part of uio, not the driver).


--
error compiling committee.c: too many arguments to function

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