From f13882d84df31a8567032b6bcbfbdd76ac378513 Mon Sep 17 00:00:00 2001 From: Gleb Natapov Date: Sun, 14 Apr 2013 16:07:37 +0300 Subject: [PATCH] KVM: VMX: Fix check guest state validity if a guest is in VM86 mode If guest vcpu is in VM86 mode the vcpu state should be checked as if in real mode. Signed-off-by: Gleb Natapov Signed-off-by: Marcelo Tosatti --- 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 8d52bcf371df..c84f0cb921f9 100644 --- a/arch/x86/kvm/vmx.c +++ b/arch/x86/kvm/vmx.c @@ -3605,7 +3605,7 @@ static bool guest_state_valid(struct kvm_vcpu *vcpu) return true; /* real mode guest state checks */ - if (!is_protmode(vcpu)) { + if (!is_protmode(vcpu) || (vmx_get_rflags(vcpu) & X86_EFLAGS_VM)) { if (!rmode_segment_valid(vcpu, VCPU_SREG_CS)) return false; if (!rmode_segment_valid(vcpu, VCPU_SREG_SS)) -- 2.39.5