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.