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SubjectRe: spin_unlock optimization(i386)
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[I'm writing from my home system now...]

Andrea Arcangeli <andrea@suse.de> wrote:

> ... In most cases the only thing we care is the order of
> _reads_ and of _writes_. Nothing more. It seems by reading your email that
> we are wasting time adding explicit memory barriers with lock on the bus
> to enforce ordering on IA32. So I believe we can remove them as the
> hardware is enforcing ordering for us.

I believe so.

--
Erich Stefan Boleyn \_ <erich@uruk.org>
Mad but Happy Scientist \__ http://www.uruk.org/
Motto: "I'll live forever or die trying" ---------------------------

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