[patch] mmu_context_init needs to run earlier

Benjamin Herrenschmidt benh at kernel.crashing.org
Tue Nov 2 17:05:11 EST 2004

On Mon, 2004-11-01 at 23:59 -0600, Nathan Lynch wrote:
> On Tue, 2004-11-02 at 15:47 +1100, Benjamin Herrenschmidt wrote:
> > Do you have a backtrace of who is trying to get a context that
> > early ?
> > 
> > If it's some call of usermode helpers, I doubt it's very sane to do that
> > before the arch initcalls have run ! It would be interesting to know who
> > is triggering it.
> > 
> Sure, I inserted a WARN_ON in init_new_context.  I see several of these
> before hitting the BUG_ON in mmu_context_init.  I'm assuming these are
> from the driver core trying to run /sbin/hotplug.

Yah. It would be interesting to find out who is triggering those calls
(what drivers are probed that early during boot). It doesn't happen on
my g5 for some reason.


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