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authorSean Christopherson <seanjc@google.com>2022-11-01 15:53:41 +0100
committerPaolo Bonzini <pbonzini@redhat.com>2022-11-18 12:58:58 -0500
commit68ae7c7bc56a4504ed5efde7c2f8d6024148a35e (patch)
tree2d5f8b3844818dc8d0a6d85f7dafc3dcb676c8c1 /arch/x86/kvm/svm/svm.h
parent381fc63ac0754e05d3921e9d399b89dfdfd2b2e5 (diff)
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KVM: SVM: Add a proper field for Hyper-V VMCB enlightenments
Add a union to provide hv_enlightenments side-by-side with the sw_reserved bytes that Hyper-V's enlightenments overlay. Casting sw_reserved everywhere is messy, confusing, and unnecessarily unsafe. No functional change intended. Signed-off-by: Sean Christopherson <seanjc@google.com> Signed-off-by: Vitaly Kuznetsov <vkuznets@redhat.com> Signed-off-by: Paolo Bonzini <pbonzini@redhat.com> Message-Id: <20221101145426.251680-4-vkuznets@redhat.com> Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
Diffstat (limited to 'arch/x86/kvm/svm/svm.h')
-rw-r--r--arch/x86/kvm/svm/svm.h5
1 files changed, 4 insertions, 1 deletions
diff --git a/arch/x86/kvm/svm/svm.h b/arch/x86/kvm/svm/svm.h
index 199a2ecef1ce..a5af367502e4 100644
--- a/arch/x86/kvm/svm/svm.h
+++ b/arch/x86/kvm/svm/svm.h
@@ -151,7 +151,10 @@ struct vmcb_ctrl_area_cached {
u64 nested_cr3;
u64 virt_ext;
u32 clean;
- u8 reserved_sw[32];
+ union {
+ struct hv_enlightenments hv_enlightenments;
+ u8 reserved_sw[32];
+ };
};
struct svm_nested_state {