CPUID_TSC
if (ci->ci_feature_flags && ci->ci_feature_flags & CPUID_TSC) {
#define usetsc (cpu_feature & CPUID_TSC)
if (cpu_feature & CPUID_TSC)
if (cpu_feature & CPUID_TSC)
ci->ci_feature_flags &= ~CPUID_TSC;
curcpu()->ci_feature_flags &= ~CPUID_TSC;
cpu_feature &= ~CPUID_TSC;
if (ci->ci_feature_flags && (ci->ci_feature_flags & CPUID_TSC)) {
{ CPUID_TSC, "TSC" },
#define usetsc (cpu_feature & CPUID_TSC)
if (edx & CPUID_TSC) {
if (cpu_feature & CPUID_TSC)
if (cpu_feature & CPUID_TSC)