Re: Audio - In kernel audio mixing

[Lyndon Nerenberg <lyndon%orthanc.ca@localhost>]

> On May 15, 2016, at 4:20 PM, David Holland <dholland-tech%netbsd.org@localhost> wrote:
> 
> Uh what? On essentially all architectures the kernel can tell which
> programs use the FPU, and presumably if they use it the values in it
> can't be allowed to randomly disappear.
> 
> (In fact, the mechanism for this is why the FPU can't readily be used
> in the kernel.)

Reliably?  I'd rather not guess.  A deterministic API would remove the guess-work.  Especially considering how hardware-specific this is.  Backward compatibility is a bit of a pain, but I still think a simple, useable, API and implementation could be built.