Messages in this thread | | | Subject | Re: RT patch acceptance | From | Thomas Gleixner <> | Date | Mon, 30 May 2005 13:15:41 +0200 |
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On Mon, 2005-05-30 at 12:33 +0200, Ingo Molnar wrote:
> FYI, to get good latencies for jack you currently need the -RT tree and > CONFIG_PREEMPT. (see Lee Revell's and Rui Nuno Capela's extensive tests) > > In other words, cond_resched() in might_sleep() (PREEMPT_VOLUNTARY, > which i announced Jul 9 last year) is _not_ good enough for > advanced-audio (jack) users. PREEMPT_VOLUNTARY is mostly good enough for > simple audio playback / gaming.
It's neither good enough for a lot of embedded applications, but _RT is.
tglx
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