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SubjectRe: Minutes from Feb 21 LSE Call
On Sun, Feb 23, 2003 at 03:37:49PM -0800, Martin J. Bligh wrote:
> >> For instance, don't locks simply get compiled away to nothing on
> >> uni-processor machines?
> >
> > Preempt causes most of the issues of SMP with few of the benefits. There
> > are loads for which it's ideal, but for general use it may not be the
> > right feature, and I ran it during the time when it was just a patch, but
> > lately I'm convinced it's for special occasions.
> Note that preemption was pushed by the embedded people Larry was advocating
> for, not the big-machine crowd .... ironic, eh?

Dig through the mail logs and you'll see that I was completely against the
preemption patch. I think it is a bad idea, if you want real time, use
rt/linux, it solves the problem right.
Larry McVoy lm at
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