On Thu, Jun 25, 2015 at 7:16 AM, Eric B Munson <emunson@xxxxxxxxxx> wrote: > On Tue, 23 Jun 2015, Vlastimil Babka wrote: > >> On 06/15/2015 04:43 PM, Eric B Munson wrote: >> >> >> >>If the new LOCKONFAULT functionality is indeed desired (I haven't >> >>still decided myself) then I agree that would be the cleanest way. >> > >> >Do you disagree with the use cases I have listed or do you think there >> >is a better way of addressing those cases? >> >> I'm somewhat sceptical about the security one. Are security >> sensitive buffers that large to matter? The performance one is more >> convincing and I don't see a better way, so OK. > > They can be, the two that come to mind are medical images and high > resolution sensor data. I think we've been handling sensitive memory pages wrong forever. We shouldn't lock them into memory; we should flag them as sensitive and encrypt them if they're ever written out to disk. --Andy
