On Tue, Apr 2, 2019 at 3:49 PM Michal Hocko <mhocko@xxxxxxxx> wrote: > > On Tue 02-04-19 09:44:59, Michal Hocko wrote: > > On Tue 02-04-19 15:38:02, Yafang Shao wrote: > [...] > > > Seems I missed this dicussion. > > > Could you pls. give a reference to it? > > > > The long thread starts here http://lkml.kernel.org/r/nycvar.YFH.7.76.1901051817390.16954@xxxxxxxxxxxxx > > Thinking about it some more this like falls into the same category as > timing attack where you measure the read latency or even watch for major > faults. The attacker would destroy the side channel by the read so the > attack would be likely impractical. Thanks for your information. I will think about it. Thanks Yafang