[PATCH v6 00/33] KVM: s390: Introduce arm64 KVM

[Sean Christopherson]

On Wed, Aug 12, 2026, Christian Borntraeger wrote:
> Am 12.08.26 um 17:35 schrieb Steffen Eiden:
> 
> > C) KVM/s390 reorganization (patches 12-22):
> >     Prepare s390 for a second KVM module. Move existing s390 KVM code into
> >     dedicated s390 and gmap subdirectories to make room for a second KVM
> >     implementation. Refactor gmap to better integrate with the second KVM
> >     implementation. GMAP hides a few features only required when managing s390
> >     guests: Storage keys, CMMA, and prefix handling. Those are guarded behind an
> >     #if KVM_S390_MANAGES_S390_GUEST. Only features which implementation would
> >     break kvm-arm64 code are guarded. I leave the non-breaking stuff (like
> >     shadow-gmaps or ucontrol) for the LTO.
> 
> I will likely take 12-21 for the next merge window so that we can minimize this
> patch set.  sashiko and claude are happy. Mostly mechanical moves. I will review
> those first and might do small fixups myself if necessary.

Speaking of trimming down the patch set...

Steffen, can you post patch 1, "vfio: Use file-based reference counting for KVM",
separately?  I'd love to get that merged sooner than later.