git: kernel - Add poor-man's AMD TOPOEXT support

Matthew Dillon dillon at
Thu Sep 28 17:42:25 PDT 2017

commit eb77e7266aefa93c1f86a306a15700280d5a1117
Author: Matthew Dillon <dillon at>
Date:   Thu Sep 28 17:41:32 2017 -0700

    kernel - Add poor-man's AMD TOPOEXT support
    * Add a poor-man's TOPOEXT support which should properly detect
      the Ryzen topology.  I don't know about EPYC, though.  And it
      might muff the topology for older AMD cpus (also don't know).

Summary of changes:
 sys/platform/pc64/x86_64/mp_machdep.c | 26 ++++++++++++++++++++++++++
 1 file changed, 26 insertions(+)

DragonFly BSD source repository

More information about the Commits mailing list