[PATCH v1 00/27] KVM: s390: Introduce arm64 KVM

Christian Borntraeger borntraeger at linux.ibm.com
Thu Apr 2 03:07:22 PDT 2026


Am 02.04.26 um 10:53 schrieb David Hildenbrand (Arm):
>>
>> KVM on s390:
>> 	The SAE (Start Arm Execution) instruction is introduced as the
>> 	s390 mechanism for running Arm64 guests, and a new kvm-arm64 module is
>> 	built up incrementally.
>>
>> Upcoming patch series will introduce system-register handling, interrupt
>> support, hypercalls, and additional features such as PMU.
> 
> Pretty cool stuff.
> 
> What's the rough timeline for the other work?

Over the next months. The idea was to split this into consumable chunks and start
with those things where a lot of people have to agree (code movement, code sharing
and shared maintainership). This will certainly evolve depending on patch feedback
and merge progress.

> 
> Regarding I/O, I guess it is primarily VIRTIO (VIRTIO_PCI) for these VMs
> only?

yes, virtio-pci.




More information about the linux-arm-kernel mailing list