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KVM: SEV: WARN if SEV-ES is marked active but SEV is not
authorSean Christopherson <seanjc@google.com>
Tue, 9 Nov 2021 21:50:59 +0000 (21:50 +0000)
committerPaolo Bonzini <pbonzini@redhat.com>
Thu, 18 Nov 2021 07:10:27 +0000 (02:10 -0500)
commit29f999e4f0f18668d520dcd739be5a28f2dc7cd9
tree689418e601a65b8ba0f1cf6dce1bc4e3904a205ctree | snapshot
parent0b321913c982cf9b1e309ddcaf42a9075b2a1aaccommit | diff
KVM: SEV: WARN if SEV-ES is marked active but SEV is not

WARN if the VM is tagged as SEV-ES but not SEV.  KVM relies on SEV and
SEV-ES being set atomically, and guards common flows with "is SEV", i.e.
observing SEV-ES without SEV means KVM has a fatal bug.

Signed-off-by: Sean Christopherson <seanjc@google.com>
Message-Id: <20211109215101.2211373-5-seanjc@google.com>
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
arch/x86/kvm/svm/svm.h diff | blob | history
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