Re: [linux-audio-user] Low latency with 2.6.16.16 vanilla

From: Wolfgang Woehl <tito@email-addr-hidden>
Date: Thu May 25 2006 - 11:31:13 EEST

Wednesday 24 May 2006 02:01, Lee Revell:
> On Thu, 2006-05-25 at 01:55 +0200, Wolfgang Woehl wrote:
> > Damn, it doesn't make sense to me. If I can configure the kernel to be
> > or not to be preemptible then what is the separation good for? Isn't
> > overhead because of preemption the only price tag?
>
> You are confusing preemption (which improves the performance of realtime
> processes) with the permission to run realtime processes at all
> (addressed by the realtime LSM, pam, or set_rtlimits).

Err, no. I doubt the need for this restriction. A campus server kernel
wouldn't be configured for preemption, a dedicated workstation would be. Why
put another roadblock in the way?

-- 
Wolfgang
Received on Wed May 24 12:15:04 2006

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