Re: [PATCH] mm: add vm event for page cache miss

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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




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