linuxolator: tls_test results amd64

[Divacky Roman]

> I was little quiet yesterday because I wasn't sure.  But I have more 
> evidence now.  First of all, wrmsr(MSR_KGSBASE, ...) must be 
> protected with 'if (td == curthread)' just as cpu_set_user_tls() 

this is not true... in set_thread_area td is curthread all the time
and in clone its never true... so the condition becomes constant.

(i386 is exactly the same case)

feel free to prove me wrong :)