patch sent

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https://bugs.launchpad.net/bugs/1738982

Title:
  [A] KVM module in 4.13 no longer supports old Intel CPUs

Status in linux package in Ubuntu:
  Confirmed

Bug description:
  == SRU Justification ==

  Impact: systems with CPUs lacking virtual NMI support are no longer
  able to load the kvm_intel module, and thus not able to use KVM
  functionality

  Fix: cherry-pick re-introducing support for software NMI support

  Regression Potential: applied upstream in 4.15 and 4.14.3, tested and
  verified by multiple people

  --

  the original dropping of support was (functionally) reverted after
  upstream got notified of how many CPUs were actually affected

  see 
https://lkml.kernel.org/r/<1509971473-74491-1-git-send-email-pbonz...@redhat.com>
 for upstream patch re-introducing support
  see 
https://lkml.kernel.org/r/<1490618297-10581-2-git-send-email-pbonz...@redhat.com>
 for the original upstream patch dropping support and following discusison

  I'll send an SRU patch.

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