Index: trunk/qemu/qemu-kvm.c
===================================================================
--- trunk/qemu/qemu-kvm.c	(revision 4183)
+++ trunk/qemu/qemu-kvm.c	(revision 4184)
@@ -440,7 +440,7 @@
     *rcx = env->regs[R_ECX];
     *rbx = env->regs[R_EBX];
     *rax = env->regs[R_EAX];
-    // don't report long mode/syscall if no native support
+    // don't report long mode/syscall/nx if no native support
     if (eax == 0x80000001) {
 	unsigned long h_eax = eax, h_edx;
 
@@ -460,6 +460,9 @@
 	// syscall
 	if ((h_edx & 0x00000800) == 0)
 	    *rdx &= ~0x00000800ull;
+	// nx
+	if ((h_edx & 0x00100000) == 0)
+	    *rdx &= ~0x00100000ull;
     }
     env = saved_env;
     return 0;