Re: [2.6 patch] schedule obsolete OSS drivers for removal

[Marcin Dalecki <martin@dalecki.de>]

On 2006-01-04, at 15:46, Jan Engelhardt wrote:

> > > Still would be nice if users of ALSA who have the OSS backwards  
> > > compat
> > > enabled would thus also get transparent software mixing for all apps
> > > using the OSS API.
> > > not crucial, that's not what I'm saying, just nice if it would be  
> > > possible.
> >
> > Technicall it's trivial to implement the soft-mixing in the kernel.
> > The question is whether it's the right implementation.
> > We have a user-space softmix for ALSA, and aoss wrapper for OSS using
> > it.  (I know aoss still has some problems that should be fixed,
> > though.)
> Software mixing in the kernel is like FPU ops in the kernel...

Could you please elaborate a tad bit more on the analogy? It doesn't  
appear to be stunningly obvious.
Are you aware of the reasons why floating point operations are  
avoided inside the kernel?
They are *not* principal - it's just engineering pragmatism.

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