DepSurf

Function: topology_is_primary_thread

Status

Regular

• In 4.4: Absent ⚠️
• In 4.8: Absent ⚠️
• In 4.10: Absent ⚠️
• In 4.13: Absent ⚠️
• In 4.15: Absent ⚠️
• In 4.18: ✅

  bool topology_is_primary_thread(unsigned int cpu);
  

  Collision: Unique Global

  Inline: No

  Transformation: False

  Instances:

  In arch/x86/kernel/smpboot.c (ffffffff81059fe0)
  Location: arch/x86/kernel/smpboot.c:278
  Inline: False
  Direct callers:
    - kernel/cpu.c:store_smt_control
    - kernel/cpu.c:bringup_cpu
  

  Symbols:

  ffffffff81059fe0-ffffffff8105a005: topology_is_primary_thread (STB_GLOBAL)
  

• In 5.0: ✅

  bool topology_is_primary_thread(unsigned int cpu);
  

  Collision: Unique Global

  Inline: No

  Transformation: False

  Instances:

  In arch/x86/kernel/smpboot.c (ffffffff8105fc60)
  Location: arch/x86/kernel/smpboot.c:278
  Inline: False
  Direct callers:
    - kernel/cpu.c:store_smt_control
    - kernel/cpu.c:bringup_cpu
  

  Symbols:

  ffffffff8105fc60-ffffffff8105fc85: topology_is_primary_thread (STB_GLOBAL)
  

• In 5.3: ✅

  bool topology_is_primary_thread(unsigned int cpu);
  

  Collision: Unique Global

  Inline: No

  Transformation: False

  Instances:

  In arch/x86/kernel/smpboot.c (ffffffff81063490)
  Location: arch/x86/kernel/smpboot.c:271
  Inline: False
  Direct callers:
    - kernel/cpu.c:cpuhp_smt_disable
    - kernel/cpu.c:bringup_cpu
  

  Symbols:

  ffffffff81063490-ffffffff810634b5: topology_is_primary_thread (STB_GLOBAL)
  

• In 5.4: ✅

  bool topology_is_primary_thread(unsigned int cpu);
  

  Collision: Unique Global

  Inline: No

  Transformation: False

  Instances:

  In arch/x86/kernel/smpboot.c (ffffffff81063b40)
  Location: arch/x86/kernel/smpboot.c:271
  Inline: False
  Direct callers:
    - kernel/cpu.c:cpuhp_smt_disable
    - kernel/cpu.c:bringup_cpu
  

  Symbols:

  ffffffff81063b40-ffffffff81063b65: topology_is_primary_thread (STB_GLOBAL)
  

• In 5.8: ✅

  bool topology_is_primary_thread(unsigned int cpu);
  

  Collision: Unique Global

  Inline: No

  Transformation: False

  Instances:

  In arch/x86/kernel/smpboot.c (ffffffff8106a550)
  Location: arch/x86/kernel/smpboot.c:284
  Inline: False
  Direct callers:
    - arch/x86/events/amd/uncore.c:amd_uncore_event_init
    - arch/x86/kernel/cpu/microcode/core.c:reload_store
    - kernel/cpu.c:cpuhp_smt_disable
    - kernel/cpu.c:bringup_wait_for_ap
  

  Symbols:

  ffffffff8106a550-ffffffff8106a575: topology_is_primary_thread (STB_GLOBAL)
  

• In 5.11: ✅

  bool topology_is_primary_thread(unsigned int cpu);
  

  Collision: Unique Global

  Inline: No

  Transformation: False

  Instances:

  In arch/x86/kernel/smpboot.c (ffffffff8106c220)
  Location: arch/x86/kernel/smpboot.c:279
  Inline: False
  Direct callers:
    - arch/x86/kernel/cpu/microcode/core.c:reload_store
    - kernel/cpu.c:cpuhp_smt_disable
    - kernel/cpu.c:bringup_wait_for_ap
  

  Symbols:

  ffffffff8106c220-ffffffff8106c245: topology_is_primary_thread (STB_GLOBAL)
  

• In 5.13: ✅

  bool topology_is_primary_thread(unsigned int cpu);
  

  Collision: Unique Global

  Inline: No

  Transformation: False

  Instances:

  In arch/x86/kernel/smpboot.c (ffffffff8106ccf0)
  Location: arch/x86/kernel/smpboot.c:278
  Inline: False
  Direct callers:
    - arch/x86/kernel/cpu/microcode/core.c:reload_store
    - kernel/cpu.c:cpuhp_smt_disable
    - kernel/cpu.c:bringup_cpu
  

  Symbols:

  ffffffff8106ccf0-ffffffff8106cd15: topology_is_primary_thread (STB_GLOBAL)
  

• In 5.15: ✅

  bool topology_is_primary_thread(unsigned int cpu);
  

  Collision: Unique Global

  Inline: No

  Transformation: False

  Instances:

  In arch/x86/kernel/smpboot.c (ffffffff81077ce0)
  Location: arch/x86/kernel/smpboot.c:277
  Inline: False
  Direct callers:
    - arch/x86/kernel/cpu/microcode/core.c:reload_store
    - kernel/cpu.c:cpuhp_smt_disable
    - kernel/cpu.c:bringup_cpu
  

  Symbols:

  ffffffff81077ce0-ffffffff81077d25: topology_is_primary_thread (STB_GLOBAL)
  

• In 5.19: ✅

  bool topology_is_primary_thread(unsigned int cpu);
  

  Collision: Unique Global

  Inline: No

  Transformation: False

  Instances:

  In arch/x86/kernel/smpboot.c (ffffffff81086940)
  Location: arch/x86/kernel/smpboot.c:273
  Inline: False
  Direct callers:
    - kernel/cpu.c:cpuhp_smt_disable
    - kernel/cpu.c:bringup_cpu
  

  Symbols:

  ffffffff81086940-ffffffff8108698d: topology_is_primary_thread (STB_GLOBAL)
  

• In 6.2: ✅

  bool topology_is_primary_thread(unsigned int cpu);
  

  Collision: Unique Global

  Inline: No

  Transformation: False

  Instances:

  In arch/x86/kernel/smpboot.c (ffffffff81099f10)
  Location: arch/x86/kernel/smpboot.c:271
  Inline: False
  Direct callers:
    - kernel/cpu.c:cpuhp_smt_disable
    - kernel/cpu.c:bringup_cpu
  

  Symbols:

  ffffffff81099f10-ffffffff81099f5d: topology_is_primary_thread (STB_GLOBAL)
  

• In 6.5: Full Inline ⚠️

  Collision: Unique Static

  Inline: Full

  Transformation: False

  Instances:

  In kernel/cpu.c (ffffffff810fab75)
  Location: arch/x86/include/asm/topology.h:151
  Inline: True
  Inline callers:
    - kernel/cpu.c:cpuhp_smt_disable
    - kernel/cpu.c:cpuhp_bringup_ap
  

• In 6.8: Full Inline ⚠️

  Collision: Unique Static

  Inline: Full

  Transformation: False

  Instances:

  In kernel/cpu.c (ffffffff81103f93)
  Location: arch/x86/include/asm/topology.h:152
  Inline: True
  Inline callers:
    - kernel/cpu.c:cpuhp_smt_disable
    - kernel/cpu.c:cpuhp_bringup_ap
  

Arch

• In arm64: Absent ⚠️
• In armhf: Absent ⚠️
• In ppc64el: Absent ⚠️
• In riscv64: Absent ⚠️

Flavor

• In aws: ✅

  bool topology_is_primary_thread(unsigned int cpu);
  

  Collision: Unique Global

  Inline: No

  Transformation: False

  Instances:

  In arch/x86/kernel/smpboot.c (ffffffff81063630)
  Location: arch/x86/kernel/smpboot.c:271
  Inline: False
  Direct callers:
    - kernel/cpu.c:cpuhp_smt_disable
    - kernel/cpu.c:bringup_cpu
  

  Symbols:

  ffffffff81063630-ffffffff81063655: topology_is_primary_thread (STB_GLOBAL)
  

• In azure: ✅

  bool topology_is_primary_thread(unsigned int cpu);
  

  Collision: Unique Global

  Inline: No

  Transformation: False

  Instances:

  In arch/x86/kernel/smpboot.c (ffffffff81053940)
  Location: arch/x86/kernel/smpboot.c:271
  Inline: False
  Direct callers:
    - kernel/cpu.c:cpuhp_smt_disable
    - kernel/cpu.c:bringup_cpu
  

  Symbols:

  ffffffff81053940-ffffffff81053965: topology_is_primary_thread (STB_GLOBAL)
  

• In gcp: ✅

  bool topology_is_primary_thread(unsigned int cpu);
  

  Collision: Unique Global

  Inline: No

  Transformation: False

  Instances:

  In arch/x86/kernel/smpboot.c (ffffffff81063ae0)
  Location: arch/x86/kernel/smpboot.c:271
  Inline: False
  Direct callers:
    - kernel/cpu.c:cpuhp_smt_disable
    - kernel/cpu.c:bringup_cpu
  

  Symbols:

  ffffffff81063ae0-ffffffff81063b05: topology_is_primary_thread (STB_GLOBAL)
  

• In lowlatency: ✅

  bool topology_is_primary_thread(unsigned int cpu);
  

  Collision: Unique Global

  Inline: No

  Transformation: False

  Instances:

  In arch/x86/kernel/smpboot.c (ffffffff810650a0)
  Location: arch/x86/kernel/smpboot.c:271
  Inline: False
  Direct callers:
    - kernel/cpu.c:cpuhp_smt_disable
    - kernel/cpu.c:bringup_cpu
  

  Symbols:

  ffffffff810650a0-ffffffff810650c5: topology_is_primary_thread (STB_GLOBAL)
  

Differences

Regular

• No changes between 4.18 and 5.0 ✅
• No changes between 5.0 and 5.3 ✅
• No changes between 5.3 and 5.4 ✅
• No changes between 5.4 and 5.8 ✅
• No changes between 5.8 and 5.11 ✅
• No changes between 5.11 and 5.13 ✅
• No changes between 5.13 and 5.15 ✅
• No changes between 5.15 and 5.19 ✅
• No changes between 5.19 and 6.2 ✅

Arch

Flavor

• No changes between generic and aws ✅
• No changes between generic and azure ✅
• No changes between generic and gcp ✅
• No changes between generic and lowlatency ✅