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hypervisor: kvm/x86_64: get and set nested guest state

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Since the functionality of [0] was backported to
kvm-bindings@v0.12.1 and kvm-ioctls@v0.22.1 [1, 2], we
can now save nested KVM state. This way, nesting works across
state save/resume and live-migration.

[0] https://github.com/rust-vmm/kvm/pull/322
[1] https://github.com/rust-vmm/kvm/pull/349
[2] https://github.com/rust-vmm/kvm/pull/350

Signed-off-by: Philipp Schuster <philipp.schuster@cyberus-technology.de>
On-behalf-of: SAP philipp.schuster@sap.com
This commit is contained in:
Philipp Schuster
2025-06-24 10:31:37 +02:00
committed by Rob Bradford
parent 4c16285dde
commit 690741de13
6 changed files with 57 additions and 6 deletions
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4
hypervisor/src/cpu.rs
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@@ -334,6 +334,10 @@ pub enum HypervisorCpuError {
///
#[error("Failed to inject NMI")]
Nmi(#[source] anyhow::Error),
#[error("Failed to get nested guest state")]
GetNestedState(#[source] anyhow::Error),
#[error("Failed to set nested guest state")]
SetNestedState(#[source] anyhow::Error),
}
#[derive(Debug)]