KVM: SVM: Add a proper field for Hyper-V VMCB enlightenments

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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>

...

This commit is contained in:

Sean Christopherson 2022-11-01 15:53:41 +01:00 • committed by Paolo Bonzini

parent 381fc63ac0

commit 68ae7c7bc5

7 changed files with 27 additions and 19 deletions

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7

arch/x86/include/asm/svm.h

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arch/x86/kvm/svm/nested.c

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arch/x86/kvm/svm/svm.h

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arch/x86/kvm/svm/svm_onhyperv.c

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arch/x86/kvm/svm/svm_onhyperv.h

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5

tools/testing/selftests/kvm/include/x86_64/svm.h

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tools/testing/selftests/kvm/x86_64/hyperv_svm_test.c

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