MSR_LS_CFG
msr = rdmsr(MSR_LS_CFG);
wrmsr(MSR_LS_CFG, msr);
msr = rdmsr(MSR_LS_CFG);
wrmsr(MSR_LS_CFG, msr);
msr = rdmsr(MSR_LS_CFG);
wrmsr(MSR_LS_CFG, msr);
case MSR_LS_CFG:
case MSR_LS_CFG: