---

yaml --- r: 315870 b: refs/heads/master c: d881e6f h: refs/heads/master v: v3
git-mirror · Jul 9, 2012 · 2c5753a · 2c5753a
1 parent af25086
commit 2c5753a
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Showing 2 changed files with 14 additions and 3 deletions.
diff --git a/[refs] b/[refs]
@@ -1,2 +1,2 @@
 ---
-refs/heads/master: e676505ac96813e8b93170b1f5e5ffe0cf6a2348
+refs/heads/master: d881e6f6cffe3993245963143cab2528f918e071
diff --git a/trunk/arch/x86/kvm/vmx.c b/trunk/arch/x86/kvm/vmx.c
@@ -3175,11 +3175,22 @@ static int __vmx_get_cpl(struct kvm_vcpu *vcpu)
 
 static int vmx_get_cpl(struct kvm_vcpu *vcpu)
 {
+	struct vcpu_vmx *vmx = to_vmx(vcpu);
+
+	/*
+	 * If we enter real mode with cs.sel & 3 != 0, the normal CPL calculations
+	 * fail; use the cache instead.
+	 */
+	if (unlikely(vmx->emulation_required && emulate_invalid_guest_state)) {
+		return vmx->cpl;
+	}
+
 	if (!test_bit(VCPU_EXREG_CPL, (ulong *)&vcpu->arch.regs_avail)) {
 		__set_bit(VCPU_EXREG_CPL, (ulong *)&vcpu->arch.regs_avail);
-		to_vmx(vcpu)->cpl = __vmx_get_cpl(vcpu);
+		vmx->cpl = __vmx_get_cpl(vcpu);
 	}
-	return to_vmx(vcpu)->cpl;
+
+	return vmx->cpl;
 }