On Sat, Aug 23, 2014 at 08:26:10PM -0400, Pranith Kumar wrote:
> On Sat, Aug 23, 2014 at 12:51 PM, Paul E. McKenney
> <paul...@linux.vnet.ibm.com> wrote:
>
> > It might well! Another possibility is that the early_initcall function
> > doing the synchronize_rcu() is happening before the early_initcall
> > creating the RCU grace-period kthreads.
> >
> > Seems like we need to close both holes. Let's see how your patch works
> > for Amit, and I am testing a patch for the possible early_initcall
> > ordering issue.
>
> I checked the init call which is calling synchronize_rcu():
> subsys_initcall(pm_sysrq_init); this is being called after
> early_initcall.
>
> The order of initcalls is early, core, postcore, arch, subsys, fs,
> device, late. So I guess that is ok.
>
> I wonder why it was not showing up in 12.04. I have a dual boot. Will
> test it out and see if I can find something.
Me, I am wondering about 7,000 callbacks being registered during early
boot time. ;-)
Thanx, Paul
--
To unsubscribe from this list: send the line "unsubscribe linux-kernel" in
the body of a message to majord...@vger.kernel.org
More majordomo info at http://vger.kernel.org/majordomo-info.html
Please read the FAQ at http://www.tux.org/lkml/
