On Wed, 8 Sep 1999, Hiroshi Ishii wrote:

> So, Anyone interesting Real-Time Linux?
> RT-linux(http://luz.cs.nmt.edu/~rtlinux/) seems only for
> i386 user.

Unless you've got a specific realtime task that you'd like to discuss,
I'm not sure that there's much to talk about at the moment.  I did find
the manifesto on the page that you mentioned to be a very good discussion
of the issues involved, so thanks for the link.

It occurs to me that FIQ interrupts are a good candidate for dealing with
some hard realtime requirements.  Because FIQs have a seperate mask bit in
the cpsr, I think they should be able to interrupt pretty much anything
going on in Linux.  You'd need to arrange for a driver to communicate with
the FIQ thread in a way that only blocks FIQs in a deterministic way, of
course.  Does that help you at all?

Cheers,

- Ben.

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Ben Williamson       [EMAIL PROTECTED]     http://www.pobox.com/~benw/



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