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| author | Sean Christopherson <seanjc@google.com> | 2024-05-18 02:04:28 +0200 |
|---|---|---|
| committer | Paolo Bonzini <pbonzini@redhat.com> | 2024-05-23 18:27:17 +0200 |
| commit | 40e8a6901a2c983e3e541a363865e02cf591d458 (patch) | |
| tree | eea7aa3318a0abaa39be6b802b44329bbc0c6ed4 /arch/x86/kvm/vmx/vmx.c | |
| parent | KVM: x86/mmu: Use SHADOW_NONPRESENT_VALUE for atomic zap in TDP MMU (diff) | |
| download | linux-40e8a6901a2c983e3e541a363865e02cf591d458.tar.xz linux-40e8a6901a2c983e3e541a363865e02cf591d458.zip | |
KVM: VMX: Don't kill the VM on an unexpected #VE
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>
Diffstat (limited to '')
| -rw-r--r-- | arch/x86/kvm/vmx/vmx.c | 4 |
1 files changed, 2 insertions, 2 deletions
diff --git a/arch/x86/kvm/vmx/vmx.c b/arch/x86/kvm/vmx/vmx.c index 51b2cd13250a..069fbbc1e04a 100644 --- a/arch/x86/kvm/vmx/vmx.c +++ b/arch/x86/kvm/vmx/vmx.c @@ -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) |