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@phip1611 phip1611 commented Sep 15, 2025

This adds live-migration support for VMs with nested guests. This is a backport of cloud-hypervisor#7380 to the gardenlinux branch and closes ticket https://github.com/cobaltcore-dev/cobaltcore/issues/208

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@phip1611 phip1611 self-assigned this Sep 15, 2025
@phip1611 phip1611 changed the title live-migration with nested KVM [DRAFT] live-migration with nested KVM Sep 15, 2025
@phip1611 phip1611 force-pushed the nested-state-migration branch 5 times, most recently from 247d672 to 05cdfa3 Compare September 29, 2025 07:29
@phip1611 phip1611 changed the base branch from gardenlinux-v46 to gardenlinux September 30, 2025 11:24
@phip1611 phip1611 force-pushed the nested-state-migration branch from 05cdfa3 to 2ae1cb6 Compare September 30, 2025 11:24
@phip1611 phip1611 changed the title [DRAFT] live-migration with nested KVM live-migration with nested KVM Sep 30, 2025
@phip1611 phip1611 marked this pull request as ready for review September 30, 2025 11:25
Since the functionality of [0] was backported to
[email protected] and [email protected] [1, 2], we
can now save nested KVM state. This way, nesting works across
state save/resume and live-migration.

[0] rust-vmm/kvm#322
[1] rust-vmm/kvm#349
[2] rust-vmm/kvm#350

Signed-off-by: Philipp Schuster <[email protected]>
On-behalf-of: SAP [email protected]
@phip1611 phip1611 force-pushed the nested-state-migration branch from 2ae1cb6 to fc24360 Compare September 30, 2025 11:26
@phip1611 phip1611 merged commit 1498fee into cyberus-technology:gardenlinux Sep 30, 2025
21 of 23 checks passed
@phip1611 phip1611 deleted the nested-state-migration branch September 30, 2025 11:36
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2 participants