Function cpu_auxmsr

freebsd/amd64/amd64/initcpu.c:243–248

* The value for the TSC_AUX MSR and rdtscp/rdpid on the invoking CPU. * * Caller should prevent CPU migration. */

 * Caller should prevent CPU migration.
 */
u_int
cpu_auxmsr(void)
{
	KASSERT((read_rflags() & PSL_I) == 0, ("context switch possible"));
	return (PCPU_GET(cpuid));
}

/*
 * Initialize CPU control registers