Re: "objtrm" problem probably found (was Re: Stuck in "objtrm")

[Poul-Henning Kamp]

>    p.s.  I'm pretty sure that the lock prefix costs nothing on a UP system,
>    and probably wouldn't be noticed on an SMP system either because the
>    write-allocation overhead is already pretty bad.  But I haven't tested
>    it.

it's actually quite expensive in terms of bus bandwidth because a lot of
things have to be synchronized and stalled...

--
Poul-Henning Kamp             FreeBSD coreteam member
[EMAIL PROTECTED]               "Real hackers run -current on their laptop."
FreeBSD -- It will take a long time before progress goes too far!


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