DepSurf

Function: update_spec_ctrl

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: Absent ⚠️
• In 5.0: Absent ⚠️
• In 5.3: Absent ⚠️
• In 5.4: Absent ⚠️
• In 5.8: Absent ⚠️
• In 5.11: Absent ⚠️
• In 5.13: Absent ⚠️
• In 5.15: Absent ⚠️
• In 5.19: Absent ⚠️
• In 6.2: Selective Inline ⚠️

  void update_spec_ctrl(u64 val);
  

  Collision: Unique Static

  Inline: Selective

  Transformation: False

  Instances:

  In arch/x86/kernel/cpu/bugs.c (ffffffff8106f214)
  Location: arch/x86/kernel/cpu/bugs.c:64
  Inline: True
  Inline callers:
    - arch/x86/kernel/cpu/bugs.c:x86_spec_ctrl_setup_ap
    - arch/x86/kernel/cpu/bugs.c:update_stibp_msr
  Direct callers:
    - arch/x86/kernel/cpu/bugs.c:__ssb_select_mitigation
    - arch/x86/kernel/cpu/bugs.c:spectre_v2_select_mitigation
    - arch/x86/kernel/cpu/bugs.c:spectre_v2_select_mitigation
    - arch/x86/kernel/cpu/bugs.c:spectre_v2_select_mitigation
    - arch/x86/kernel/cpu/bugs.c:spectre_v2_select_mitigation
    - arch/x86/kernel/cpu/bugs.c:spectre_v2_select_mitigation
    - arch/x86/kernel/cpu/bugs.c:spectre_v2_select_mitigation
  

  Symbols:

  ffffffff8106e5e0-ffffffff8106e621: update_spec_ctrl (STB_LOCAL)
  

• In 6.5: Selective Inline ⚠️

  void update_spec_ctrl(u64 val);
  

  Collision: Unique Static

  Inline: Selective

  Transformation: False

  Instances:

  In arch/x86/kernel/cpu/bugs.c (ffffffff81070ab4)
  Location: arch/x86/kernel/cpu/bugs.c:69
  Inline: True
  Inline callers:
    - arch/x86/kernel/cpu/bugs.c:x86_spec_ctrl_setup_ap
    - arch/x86/kernel/cpu/bugs.c:update_stibp_msr
  Direct callers:
    - arch/x86/kernel/cpu/bugs.c:__ssb_select_mitigation
    - arch/x86/kernel/cpu/bugs.c:spectre_v2_select_mitigation
    - arch/x86/kernel/cpu/bugs.c:spectre_v2_select_mitigation
    - arch/x86/kernel/cpu/bugs.c:spectre_v2_select_mitigation
  

  Symbols:

  ffffffff8106fdd0-ffffffff8106fe11: update_spec_ctrl (STB_LOCAL)
  

• In 6.8: Selective Inline ⚠️

  void update_spec_ctrl(u64 val);
  

  Collision: Unique Static

  Inline: Selective

  Transformation: False

  Instances:

  In arch/x86/kernel/cpu/bugs.c (ffffffff810783d4)
  Location: arch/x86/kernel/cpu/bugs.c:69
  Inline: True
  Inline callers:
    - arch/x86/kernel/cpu/bugs.c:x86_spec_ctrl_setup_ap
    - arch/x86/kernel/cpu/bugs.c:update_stibp_msr
    - arch/x86/kernel/cpu/bugs.c:bhi_select_mitigation
  Direct callers:
    - arch/x86/kernel/cpu/bugs.c:__ssb_select_mitigation
    - arch/x86/kernel/cpu/bugs.c:spectre_v2_select_mitigation
    - arch/x86/kernel/cpu/bugs.c:spectre_v2_select_mitigation
    - arch/x86/kernel/cpu/bugs.c:spectre_v2_select_mitigation
  

  Symbols:

  ffffffff810776b0-ffffffff810776f1: update_spec_ctrl (STB_LOCAL)
  

Arch

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

Flavor

• In aws: Absent ⚠️
• In azure: Absent ⚠️
• In gcp: Absent ⚠️
• In lowlatency: Absent ⚠️

Differences

Regular

• No changes between 6.2 and 6.5 ✅
• No changes between 6.5 and 6.8 ✅