On Fri, Aug 14, 2020 at 12:23:06PM +0200, peterz@xxxxxxxxxxxxx wrote: > 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. The problem with that is common code along with the tendency of people to just use the one that "works everywhere". Thanx, Paul
