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Date: Mon, 24 Feb 2020 19:56:34 +0100 From: Paolo Bonzini <pbonzini@...hat.com> To: linux-kernel@...r.kernel.org, kvm@...r.kernel.org Cc: oupton@...gle.com, stable@...r.kernel.org Subject: [FYI PATCH 1/3] KVM: nVMX: Don't emulate instructions in guest mode vmx_check_intercept is not yet fully implemented. To avoid emulating instructions disallowed by the L1 hypervisor, refuse to emulate instructions by default. Cc: stable@...r.kernel.org [Made commit, added commit msg - Oliver] Signed-off-by: Oliver Upton <oupton@...gle.com> Signed-off-by: Paolo Bonzini <pbonzini@...hat.com> --- arch/x86/kvm/vmx/vmx.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/arch/x86/kvm/vmx/vmx.c b/arch/x86/kvm/vmx/vmx.c index dcca514ffd42..5801a86f9c24 100644 --- a/arch/x86/kvm/vmx/vmx.c +++ b/arch/x86/kvm/vmx/vmx.c @@ -7164,7 +7164,7 @@ static int vmx_check_intercept(struct kvm_vcpu *vcpu, } /* TODO: check more intercepts... */ - return X86EMUL_CONTINUE; + return X86EMUL_UNHANDLEABLE; } #ifdef CONFIG_X86_64 -- 1.8.3.1
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