From: Paolo Bonzini pbonzini@redhat.com
commit 07721feee46b4b248402133228235318199b05ec upstream.
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@vger.kernel.org [Made commit, added commit msg - Oliver] Signed-off-by: Oliver Upton oupton@google.com Signed-off-by: Paolo Bonzini pbonzini@redhat.com Signed-off-by: Greg Kroah-Hartman gregkh@linuxfoundation.org
Signed-off-by: Yang Yingliang yangyingliang@huawei.com --- arch/x86/kvm/vmx.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-)
diff --git a/arch/x86/kvm/vmx.c b/arch/x86/kvm/vmx.c index aead984..93d0f00 100644 --- a/arch/x86/kvm/vmx.c +++ b/arch/x86/kvm/vmx.c @@ -13694,7 +13694,7 @@ static int vmx_check_intercept(struct kvm_vcpu *vcpu, }
/* TODO: check more intercepts... */ - return X86EMUL_CONTINUE; + return X86EMUL_UNHANDLEABLE; }
#ifdef CONFIG_X86_64