[Hypervisor Live Update] Notes from May 19, 2025

[Jason Gunthorpe]

On Sat, May 31, 2025 at 08:16:14PM -0700, David Rientjes wrote:
> Pratyush asked about the relationship between KHO and LUO.  Pasha noted
> that KHO provides a state machine and in RFC v2 of LUO, LUO can drive KHO
> which makes the KHO debugfs interface optional.  KHO activate will cause
> LUO to switch to the prepared phase, for example.  /dev/liveupdate
> continues to be the preferred mechanism.  Think of KHO as preserving state
> across kexec whereas LUO provides the state machine.

IMHO LUO should superceed the statemachine in KHO and it's
debugfs. Just remove all the KHO stuff here. We don't need two things..

Jason