website-function

Function: x86_read_arch_cap_msr

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: Selective Inline, Transformation ⚠️

  u64 x86_read_arch_cap_msr();
  

  Collision: Unique Global

  Inline: Selective

  Transformation: True

  Instances:

  In arch/x86/kernel/cpu/common.c (ffffffff810461c0)
  Location: arch/x86/kernel/cpu/common.c:1098
  Inline: True
  Direct callers:
    - arch/x86/kernel/cpu/bugs.c:check_bugs
    - arch/x86/kernel/cpu/tsx.c:tsx_init
  

  Symbols:

  ffffffff810461c0-ffffffff810461d2: x86_read_arch_cap_msr.part.0 (STB_LOCAL)
  ffffffff810470c0-ffffffff810470dd: x86_read_arch_cap_msr (STB_GLOBAL)
  

• In 5.8: Selective Inline ⚠️

  u64 x86_read_arch_cap_msr();
  

  Collision: Unique Global

  Inline: Selective

  Transformation: False

  Instances:

  In arch/x86/kernel/cpu/common.c (ffffffff8104af00)
  Location: arch/x86/kernel/cpu/common.c:1104
  Inline: True
  Direct callers:
    - arch/x86/kernel/cpu/bugs.c:srbds_select_mitigation
    - arch/x86/kernel/cpu/bugs.c:taa_select_mitigation
    - arch/x86/kernel/cpu/tsx.c:tsx_init
  

  Symbols:

  ffffffff8104af00-ffffffff8104af24: x86_read_arch_cap_msr (STB_GLOBAL)
  

• In 5.11: Selective Inline ⚠️

  u64 x86_read_arch_cap_msr();
  

  Collision: Unique Global

  Inline: Selective

  Transformation: False

  Instances:

  In arch/x86/kernel/cpu/common.c (ffffffff8104a3f0)
  Location: arch/x86/kernel/cpu/common.c:1122
  Inline: True
  Direct callers:
    - arch/x86/kernel/cpu/bugs.c:srbds_select_mitigation
    - arch/x86/kernel/cpu/bugs.c:taa_select_mitigation
    - arch/x86/kernel/cpu/tsx.c:tsx_init
  

  Symbols:

  ffffffff8104a3f0-ffffffff8104a414: x86_read_arch_cap_msr (STB_GLOBAL)
  

• In 5.13: Selective Inline ⚠️

  u64 x86_read_arch_cap_msr();
  

  Collision: Unique Global

  Inline: Selective

  Transformation: False

  Instances:

  In arch/x86/kernel/cpu/common.c (ffffffff8104bc30)
  Location: arch/x86/kernel/cpu/common.c:1123
  Inline: True
  Direct callers:
    - arch/x86/kernel/cpu/bugs.c:check_bugs
    - arch/x86/kernel/cpu/bugs.c:check_bugs
    - arch/x86/kernel/cpu/tsx.c:tsx_init
  

  Symbols:

  ffffffff8104bc30-ffffffff8104bc54: x86_read_arch_cap_msr (STB_GLOBAL)
  

• In 5.15: Selective Inline ⚠️

  u64 x86_read_arch_cap_msr();
  

  Collision: Unique Global

  Inline: Selective

  Transformation: False

  Instances:

  In arch/x86/kernel/cpu/common.c (ffffffff81052ef0)
  Location: arch/x86/kernel/cpu/common.c:1126
  Inline: True
  Direct callers:
    - arch/x86/kernel/cpu/bugs.c:check_bugs
    - arch/x86/kernel/cpu/bugs.c:check_bugs
    - arch/x86/kernel/cpu/tsx.c:tsx_init
  

  Symbols:

  ffffffff81052ef0-ffffffff81052f14: x86_read_arch_cap_msr (STB_GLOBAL)
  

• In 5.19: Selective Inline ⚠️

  u64 x86_read_arch_cap_msr();
  

  Collision: Unique Global

  Inline: Selective

  Transformation: False

  Instances:

  In arch/x86/kernel/cpu/common.c (ffffffff8105e8b0)
  Location: arch/x86/kernel/cpu/common.c:1281
  Inline: True
  Direct callers:
    - arch/x86/kernel/cpu/bugs.c:cpu_bugs_smt_update
    - arch/x86/kernel/cpu/bugs.c:check_bugs
    - arch/x86/kernel/cpu/bugs.c:mmio_select_mitigation
    - arch/x86/kernel/cpu/bugs.c:taa_select_mitigation
    - arch/x86/kernel/cpu/bugs.c:spectre_v2_select_mitigation
    - arch/x86/kernel/cpu/tsx.c:tsx_dev_mode_disable
    - arch/x86/kernel/cpu/tsx.c:tsx_init
  

  Symbols:

  ffffffff8105e8b0-ffffffff8105e903: x86_read_arch_cap_msr (STB_GLOBAL)
  

• In 6.2: Selective Inline ⚠️

  u64 x86_read_arch_cap_msr();
  

  Collision: Unique Global

  Inline: Selective

  Transformation: False

  Instances:

  In arch/x86/kernel/cpu/common.c (ffffffff83e7bc50)
  Location: arch/x86/kernel/cpu/common.c:1304
  Inline: True
  Direct callers:
    - arch/x86/kernel/cpu/bugs.c:cpu_bugs_smt_update
    - arch/x86/kernel/cpu/bugs.c:check_bugs
    - arch/x86/kernel/cpu/bugs.c:mmio_select_mitigation
    - arch/x86/kernel/cpu/bugs.c:taa_select_mitigation
    - arch/x86/kernel/cpu/bugs.c:spectre_v2_select_mitigation
    - arch/x86/kernel/cpu/tsx.c:tsx_init
    - arch/x86/kernel/apic/apic.c:enable_IR_x2apic
    - arch/x86/kernel/apic/apic.c:x2apic_setup
    - arch/x86/kernel/apic/apic.c:setup_nox2apic
    - arch/x86/kernel/apic/apic.c:check_x2apic
  

  Symbols:

  ffffffff8106cea0-ffffffff8106cef3: x86_read_arch_cap_msr (STB_GLOBAL)
  

• In 6.5: Selective Inline ⚠️

  u64 x86_read_arch_cap_msr();
  

  Collision: Unique Global

  Inline: Selective

  Transformation: False

  Instances:

  In arch/x86/kernel/cpu/common.c (ffffffff8369e310)
  Location: arch/x86/kernel/cpu/common.c:1303
  Inline: True
  Direct callers:
    - arch/x86/kernel/cpu/bugs.c:cpu_bugs_smt_update
    - arch/x86/kernel/cpu/bugs.c:cpu_select_mitigations
    - arch/x86/kernel/cpu/bugs.c:cpu_select_mitigations
    - arch/x86/kernel/cpu/bugs.c:cpu_select_mitigations
    - arch/x86/kernel/cpu/bugs.c:mmio_select_mitigation
    - arch/x86/kernel/cpu/bugs.c:taa_select_mitigation
    - arch/x86/kernel/cpu/bugs.c:spectre_v2_select_mitigation
    - arch/x86/kernel/cpu/tsx.c:tsx_init
    - arch/x86/kernel/apic/apic.c:enable_IR_x2apic
    - arch/x86/kernel/apic/apic.c:x2apic_setup
    - arch/x86/kernel/apic/apic.c:setup_nox2apic
    - arch/x86/kernel/apic/apic.c:check_x2apic
  

  Symbols:

  ffffffff8106e850-ffffffff8106e8a3: x86_read_arch_cap_msr (STB_GLOBAL)
  

• In 6.8: Selective Inline ⚠️

  u64 x86_read_arch_cap_msr();
  

  Collision: Unique Global

  Inline: Selective

  Transformation: False

  Instances:

  In arch/x86/kernel/cpu/common.c (ffffffff838cdf00)
  Location: arch/x86/kernel/cpu/common.c:1328
  Inline: True
  Direct callers:
    - arch/x86/kernel/cpu/bugs.c:spectre_v2_show_state
    - arch/x86/kernel/cpu/bugs.c:cpu_bugs_smt_update
    - arch/x86/kernel/cpu/bugs.c:bhi_select_mitigation
    - arch/x86/kernel/cpu/bugs.c:rfds_select_mitigation
    - arch/x86/kernel/cpu/bugs.c:cpu_select_mitigations
    - arch/x86/kernel/cpu/bugs.c:cpu_select_mitigations
    - arch/x86/kernel/cpu/bugs.c:cpu_select_mitigations
    - arch/x86/kernel/cpu/bugs.c:mmio_select_mitigation
    - arch/x86/kernel/cpu/bugs.c:taa_select_mitigation
    - arch/x86/kernel/cpu/bugs.c:spectre_v2_select_mitigation
    - arch/x86/kernel/cpu/tsx.c:tsx_init
    - arch/x86/kernel/apic/apic.c:enable_IR_x2apic
    - arch/x86/kernel/apic/apic.c:x2apic_setup
    - arch/x86/kernel/apic/apic.c:setup_nox2apic
    - arch/x86/kernel/apic/apic.c:check_x2apic
  

  Symbols:

  ffffffff81075b40-ffffffff81075b93: x86_read_arch_cap_msr (STB_GLOBAL)
  

Arch

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

Flavor

• In aws: Selective Inline, Transformation ⚠️

  u64 x86_read_arch_cap_msr();
  

  Collision: Unique Global

  Inline: Selective

  Transformation: True

  Instances:

  In arch/x86/kernel/cpu/common.c (ffffffff81046340)
  Location: arch/x86/kernel/cpu/common.c:1098
  Inline: True
  Direct callers:
    - arch/x86/kernel/cpu/bugs.c:check_bugs
    - arch/x86/kernel/cpu/tsx.c:tsx_init
  

  Symbols:

  ffffffff81046340-ffffffff81046352: x86_read_arch_cap_msr.part.0 (STB_LOCAL)
  ffffffff81047240-ffffffff8104725d: x86_read_arch_cap_msr (STB_GLOBAL)
  

• In azure: Selective Inline ⚠️

  u64 x86_read_arch_cap_msr();
  

  Collision: Unique Global

  Inline: Selective

  Transformation: False

  Instances:

  In arch/x86/kernel/cpu/common.c (ffffffff82894f1c)
  Location: arch/x86/kernel/cpu/common.c:1098
  Inline: True
  Direct callers:
    - arch/x86/kernel/cpu/bugs.c:check_bugs
    - arch/x86/kernel/cpu/tsx.c:tsx_init
  

  Symbols:

  ffffffff81036300-ffffffff81036347: x86_read_arch_cap_msr (STB_GLOBAL)
  

• In gcp: Selective Inline, Transformation ⚠️

  u64 x86_read_arch_cap_msr();
  

  Collision: Unique Global

  Inline: Selective

  Transformation: True

  Instances:

  In arch/x86/kernel/cpu/common.c (ffffffff81046180)
  Location: arch/x86/kernel/cpu/common.c:1098
  Inline: True
  Direct callers:
    - arch/x86/kernel/cpu/bugs.c:check_bugs
    - arch/x86/kernel/cpu/tsx.c:tsx_init
  

  Symbols:

  ffffffff81046180-ffffffff81046192: x86_read_arch_cap_msr.part.0 (STB_LOCAL)
  ffffffff81047080-ffffffff8104709d: x86_read_arch_cap_msr (STB_GLOBAL)
  

• In lowlatency: Selective Inline, Transformation ⚠️

  u64 x86_read_arch_cap_msr();
  

  Collision: Unique Global

  Inline: Selective

  Transformation: True

  Instances:

  In arch/x86/kernel/cpu/common.c (ffffffff81047580)
  Location: arch/x86/kernel/cpu/common.c:1098
  Inline: True
  Direct callers:
    - arch/x86/kernel/cpu/bugs.c:check_bugs
    - arch/x86/kernel/cpu/tsx.c:tsx_init
  

  Symbols:

  ffffffff81047580-ffffffff81047592: x86_read_arch_cap_msr.part.0 (STB_LOCAL)
  ffffffff81048480-ffffffff8104849d: x86_read_arch_cap_msr (STB_GLOBAL)
  

Differences

Regular

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

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 ✅