> > On Tue, Jul 09, 2002 at 11:21:25PM +0100, Alan Cox wrote:
> > >
> > > There are lots of them hiding 8)
> >
> > Just out of curisoty. If I remember correctly SMP came to Linux when
> > Caldera hired you to make it work. Did you invent the BKL?
>
> Caldera bought the hardware, rather than hiring me. Having said that at
> the time the dual P90 board + processors was not exactly cheap. The board
> btw is alive and well and currently owned by Dave Jones.
>
> As far as the locking goes I invented the big kernel lock, but the basis of
> that is all taken directly from "Unix systems for modern architectures"
> by Schimmel which is required reading for anyone who cares about caches,
> SMP and locking.
>
> I'd prefer the trees to be separate for testing purposes: it
> doens't make much sense to have SMP support as a normal kernel
> feature when most people won't have SMP anyway"
> -- Linus Torvalds
>
That takes Linux even one step closer to the big commercial world, we
now have a statement to quialify for membership into the same club as
Mr. Gates' "Who needs more than 640kb anyway?" and Olsen's (Digital?)
"There will only be a handfull of computers in the nation". :)
mvh,
A
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