On Fri, Aug 14, 2020 at 10:30:37AM +0200, Peter Zijlstra wrote: > > > 1. Prohibit invoking allocators from raw atomic context, such > > > as when holding a raw spinlock. > > > > Clearly the simplest solution but not Pauls favourite and > > unfortunately he has a good reason. > > Which isn't actually stated anywhere I suppose ? Introduce raw_kfree_rcu() that doesn't do the allocation, and fix the few wonky callsites.