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KVM: VMX: Don't kill the VM on an unexpected #VE

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Don't terminate the VM on an unexpected #VE, as it's extremely unlikely
the #VE is fatal to the guest, and even less likely that it presents a
danger to the host.  Simply resume the guest on "failure", as the #VE info
page's BUSY field will prevent converting any more EPT Violations to #VEs
for the vCPU (at least, that's what the BUSY field is supposed to do).

Signed-off-by: Sean Christopherson <seanjc@google.com>
Message-ID: <20240518000430.1118488-8-seanjc@google.com>
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
This commit is contained in:
Sean Christopherson
2024-05-17 17:04:28 -07:00
committed by Paolo Bonzini
parent 803482f472
commit 40e8a6901a
1 changed files with 2 additions and 2 deletions
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4
arch/x86/kvm/vmx/vmx.c
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@@ -5217,8 +5217,8 @@ static int handle_exception_nmi(struct kvm_vcpu *vcpu)
if (is_invalid_opcode(intr_info))
return handle_ud(vcpu);
if (KVM_BUG_ON(is_ve_fault(intr_info), vcpu->kvm))
return -EIO;
if (WARN_ON_ONCE(is_ve_fault(intr_info)))
return 1;
error_code = 0;
if (intr_info & INTR_INFO_DELIVER_CODE_MASK)