Re: proposed FAQ entry for rt.wiki.kernel.org

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Clark Williams wrote:
How's this:

Q. How does Real-Time Linux (aka the PREEMPT_RT patch) improve
"latency"?

Works for me

I'm not sure the bit about "spinlocks have a context to return to" makes sense in an elevator-type pitch, might be too low level, and detract from the high-level message?


Well, some of the people that have asked were actually looking for a
more technical description than was available in, ahem, Marketing
Literature. So I guess I was attempting to straddle that fence. I will
re-arrange that last sentence to put prioritization first or may be
split it into two sections. How about this:

This means that interrupt service order may be prioritized by
assigning appropriate realtime priorities to the interrupt threads.

I was specifically thinking that the balance between application and interrupt thread should be mentioned, while this seems to focus on the relative priorities of just the interrupt threads.

--
Darren Hart
IBM Linux Technology Center
Real-Time Linux Team
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