CPUID_TSC
ci->ci_feat_val[0] &= ~CPUID_TSC;
ci->ci_feat_val[0] &= ~CPUID_TSC;
return cpu_feature[0] & CPUID_TSC;
CPUID_TSC |
CPUID_TSC |
if (ci->ci_feat_val[0] & CPUID_TSC) {
ci->ci_feat_val[0] &= ~CPUID_TSC;