[PATCH v1 0/6] hw/arm/virt: Support dirty ring
The patches work well on my arm Ampere host.
The test results are as expected.
Testing
===
(1) kvm-unit-tests/its-pending-migration,
kvm-unit-tests/its-migrate-unmapped-collection
and kvm-unit-tests/its-migration with dirty ring or normal
This series intends to support dirty ring for live migration. The dirty
ring use discrete buffer to track dirty pages. For ARM64, the speciality
is to use backup bitmap to track dirty pages when there is no-running-vcpu
context. It's known that the backup bitmap needs to be synchronized when
KVM de
