kswapd and SMP still broke on 2.2.0-pre9

[Ryan Nielsen]

Troy Benjegerdes wrote:
> 
> On Sat, 23 Jan 1999, Paul Mackerras wrote:
> 
> > Troy Benjegerdes <hozer at drgw.net> wrote:
> > 
> > > kswapd is still dieing on boot with SMP enabled (and this time the second
> > > processor is actually active)
> > > 
> > > Does this indicate something is wrong with SMP and the MM code, or that
> > > some PPC-specific part needs fixing? I've tried to keep up on
> > > linux-kernel, but it's a little overwhelming ;)
> > 
> > The SMP stuff in Linux/PPC currently only supports the Apple MP
> > architecture (I think they call it "powersurge").  Your MTX board
> > probably has entirely different ways of coordinating the CPUs.  Have
> > you looked at arch/ppc/kernel/smp.c?  I think that's where you'd have
> > to start changing things.
> 
> This is true, and I need to finish stuff in smp.c, but the same crash
> occured from 2.2.0-pre5 on, without the second CPU being active. Patching
> the kswapd portion of back to 2.2.0-pre4 fixed this.. Look for a message
> in the archives from Ryan Nielson, I believe.
> 
> Can anyone verify 2.2.0-pre9 works on a SMP Pmac? (or for that matter,
> vger.. if vger works I can figure out what changed)

vger-pre8 and 2.2.0-pre9 dont work.
on an Apple 9600/200MP.

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