Date: Sat, 23 Jun 2018 17:48:14 +0200 From: Peter Kjellström <cap@....liu.se> To: Michael Ellerman <mpe@...erman.id.au> CC: oss-security@...ts.openwall.com,Solar Designer <solar@...nwall.com> Subject: Re: Intel hyper-threading security issues On Fri, 22 Jun 2018 14:08:03 +1000 Michael Ellerman <mpe@...erman.id.au> wrote: > Solar Designer <solar@...nwall.com> writes: > > On Thu, Jun 21, 2018 at 01:54:16PM +0200, Sven Schwedas wrote: > >> On 2018-06-21 12:28, Lukas Odzioba wrote: ... > > On a related note, attached is a generic Linux /proc/cpuinfo parser > > I > > I guess by "generic" you mean Intel & AMD? :) > > It won't work on powerpc, or arm, or arm64 ... > > You should be able to determine all of the info you need from the > sysfs topology files, which work across arches. > > See the script below for example, which shows CPUs grouped by core. ... This is sliding OT a bit I guess, but may I suggest the fairly mature hwloc (used by many projects in need of numa/core/smt topology): https://www.open-mpi.org/projects/hwloc/ $ lstopo /Peter K -- Sent from my Android device with K-9 Mail. Please excuse my brevity.
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