Re: [tip: locking/core] lockdep: Fix usage_traceoverflow

[Peter Zijlstra]

On Fri, Oct 30, 2020 at 10:38:06AM +0100, Peter Zijlstra wrote:
> >  		if (!chain_head && ret != 2) {
> >  			if (!check_prevs_add(curr, hlock))
> 
> I'm not entirely sure that doesn't still trigger the problem. Consider
> @chain_head := true.

Urgh, clearly my brain really isn't working well. Ignore that.