LCOV - code coverage report
Current view: top level - arch/x86/kernel/apic - apic_common.c (source / functions) Hit Total Coverage
Test: landlock.info Lines: 9 17 52.9 %
Date: 2021-04-22 12:43:58 Functions: 4 7 57.1 %

          Line data    Source code
       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           0 : u32 apic_default_calc_apicid(unsigned int cpu)
      10             : {
      11           0 :         return per_cpu(x86_cpu_to_apicid, cpu);
      12             : }
      13             : 
      14          18 : u32 apic_flat_calc_apicid(unsigned int cpu)
      15             : {
      16          18 :         return 1U << cpu;
      17             : }
      18             : 
      19           0 : bool default_check_apicid_used(physid_mask_t *map, int apicid)
      20             : {
      21           0 :         return physid_isset(apicid, *map);
      22             : }
      23             : 
      24           0 : void default_ioapic_phys_id_map(physid_mask_t *phys_map, physid_mask_t *retmap)
      25             : {
      26           0 :         *retmap = *phys_map;
      27           0 : }
      28             : 
      29           6 : int default_cpu_present_to_apicid(int mps_cpu)
      30             : {
      31          12 :         if (mps_cpu < nr_cpu_ids && cpu_present(mps_cpu))
      32           6 :                 return (int)per_cpu(x86_bios_cpu_apicid, mps_cpu);
      33             :         else
      34           0 :                 return BAD_APICID;
      35             : }
      36             : EXPORT_SYMBOL_GPL(default_cpu_present_to_apicid);
      37             : 
      38           1 : int default_check_phys_apicid_present(int phys_apicid)
      39             : {
      40           1 :         return physid_isset(phys_apicid, phys_cpu_present_map);
      41             : }
      42             : 
      43           4 : int default_apic_id_valid(u32 apicid)
      44             : {
      45           4 :         return (apicid < 255);
      46             : }

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