linux-kernel - Re: [kernel-hardening] rowhammer protection [was Re: Getting interrupt every million cache misses]

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Message-ID: <c16d6b6c-608e-c711-cc18-34b8d0082183@gruss.cc>
Date:   Sat, 29 Oct 2016 23:49:57 +0200
From:   Daniel Gruss <daniel@...ss.cc>
To:     Pavel Machek <pavel@....cz>
Cc:     "kernel-hardening@...ts.openwall.com" 
        <kernel-hardening@...ts.openwall.com>,
        Mark Rutland <mark.rutland@....com>,
        Kees Cook <keescook@...omium.org>,
        Peter Zijlstra <peterz@...radead.org>,
        Arnaldo Carvalho de Melo <acme@...hat.com>,
        kernel list <linux-kernel@...r.kernel.org>,
        Ingo Molnar <mingo@...hat.com>,
        Alexander Shishkin <alexander.shishkin@...ux.intel.com>
Subject: Re: [kernel-hardening] rowhammer protection [was Re: Getting
 interrupt every million cache misses]

On 29.10.2016 23:45, Pavel Machek wrote:
> indy/sandy/haswell/skylake, so I'll just use the generic version...?)

yes, generic might work, but i never tested it on anything that old...

on my system i have >30 bit flips per second (ivy bridge i5-3xxx) with 
the rowhammer-ivy test... sometimes even more than 100 per second...