Re: [PATCH] [request for inclusion] Realtime LSM

[Chris Friesen]

Jack O'Quin wrote:
> Matt Mackall <mpm@xxxxxxxxxxx> writes:

> > Thankfully a buffer underrun is no more fatal for pro audio than a
> > broken guitar string. CDs skip, DATs glitch, XLR cables flake out,
> > circuit breakers trip, amps clip, Powerbooks crash, and the show goes
> > on. I've done more than enough stage tech to know it's a huge pain in
> > the ass, but let's stop pretending we require absolute perfection,
> > please.

> In _practice_, Ingo's patches are considerably better than what you
> seem to consider "good enough for mere audio work".

I don't see anywere that Matt was criticising Ingo's work.  He just said 
that it wasn't hard realtime--which is true.

A hard realtime system will *guarantee* that the deadlines will be met, 
*no matter what*.  It makes all kinds of other sacrifices to do it, and 
it makes additional demands on the application designer as well.

I don't think Ingo would claim that his patches make Linux a hard RT 
operating system.

Chris
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