19 Nov
2018
19 Nov
'18
11:48 p.m.
On Mon, Nov 19, 2018 at 3:43 PM Dave Hansen dave.hansen@intel.com 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.