Re: [PATCH 2/2] ARC: show_regs: fix lockdep splat for good

From: Michal Hocko
Date: Mon Dec 24 2018 - 14:10:14 EST

On Fri 21-12-18 09:55:34, Vineet Gupta wrote:
> On 12/21/18 5:04 AM, Michal Hocko wrote:
> > Yes, the fix might be more involved but I would much rather prefer a
> > correct code which builds on solid assumptions.
> Right so the first step is reverting the disabled semantics for ARC and do some
> heavy testing to make sure any fallouts are addressed etc. And if that works, then
> propagate this change to core itself. Low risk strategy IMO - agree ?

Yeah, I would simply remove the preempt_disable and see what falls out.
smp_processor_id could be converted to the raw version etc...
Michal Hocko