arch/x86/kernel/apic/apic_common.c

   1 /*
   2  * Common functions shared between the various APIC flavours
   3  *
   4  * SPDX-License-Identifier: GPL-2.0
   5  */
   6 #include <linux/irq.h>
   7 #include <asm/apic.h>
   8
   9 int default_cpu_present_to_apicid(int mps_cpu)
  10 {
  11         if (mps_cpu < nr_cpu_ids && cpu_present(mps_cpu))
  12                 return (int)per_cpu(x86_bios_cpu_apicid, mps_cpu);
  13         else
  14                 return BAD_APICID;
  15 }
  16
  17 int default_check_phys_apicid_present(int phys_apicid)
  18 {
  19         return physid_isset(phys_apicid, phys_cpu_present_map);
  20 }