On Mon, Nov 19, 2018 at 3:43 PM Dave Hansen <dave.hansen@xxxxxxxxx> wrote: > > On 11/19/18 3:19 PM, Dan Williams wrote: > > Andy wondered why a path that can sleep was using __flush_tlb_all() [1] > > and Dave confirmed the expectation for TLB flush is for modifying / > > invalidating existing pte entries, but not initial population [2]. > > I _think_ this is OK. > > But, could we sprinkle a few WARN_ON_ONCE(p*_present()) calls in there > to help us sleep at night? Makes sense, I'll add those for v2.
