My questions in comment #1 where no answered directly yet, but this
still is using only kernel patches so far, I think it is time to add at
least a kernel task.

Furthermore it isn't upstream yet and the target being 5.2 is a bit out
still, so I'd think you should target 19.10

** Also affects: linux (Ubuntu)
   Importance: Undecided
       Status: New

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  KVM SnowRidge Split-lock disable

Status in linux package in Ubuntu:
Status in qemu package in Ubuntu:

Bug description:
  When bit 29 is set in Test Control MSR register 0x33, a #AC execption
   is generated for split locked accesses at all CPL irrespective of

  This feature can help developers to capture memory accesses that
  across cachelines with #LOCK assertion. Then developers can
  reconstruct their program accordingly

  Upstream target linux 5.2
  Target Release: 19.04

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