2 * Routines common for drivers handling Enhanced Speedstep Technology
3 * Copyright (C) 2004 Venkatesh Pallipadi <venkatesh.pallipadi@intel.com>
5 * Licensed under the terms of the GNU GPL License version 2 -- see
9 static inline int is_const_loops_cpu(unsigned int cpu)
11 struct cpuinfo_x86 *c = cpu_data + cpu;
13 if (c->x86_vendor != X86_VENDOR_INTEL || !cpu_has(c, X86_FEATURE_EST))
17 * on P-4s, the TSC runs with constant frequency independent of cpu freq