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KVM: selftests: VMX preemption timer migration test

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When a nested VM with a VMX-preemption timer is migrated, verify that the
nested VM and its parent VM observe the VMX-preemption timer exit close to
the original expiration deadline.

Signed-off-by: Makarand Sonare <makarandsonare@google.com>
Reviewed-by: Jim Mattson <jmattson@google.com>
Message-Id: <20200526215107.205814-3-makarandsonare@google.com>
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
This commit is contained in:
Makarand Sonare
2020-05-26 14:51:07 -07:00
committed by Paolo Bonzini
parent 850448f35a
commit 8d7fbf01f9
8 changed files with 298 additions and 12 deletions
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tools/arch/x86/include/uapi/asm/kvm.h
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@@ -400,6 +400,7 @@ struct kvm_sync_regs {
struct kvm_vmx_nested_state_data {
__u8 vmcs12[KVM_STATE_NESTED_VMX_VMCS_SIZE];
__u8 shadow_vmcs12[KVM_STATE_NESTED_VMX_VMCS_SIZE];
__u64 preemption_timer_deadline;
};
struct kvm_vmx_nested_state_hdr {