DepSurf

Function: spec_ctrl_current

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: Selective Inline ⚠️

  u64 spec_ctrl_current();
  

  Collision: Unique Global

  Inline: Selective

  Transformation: False

  Instances:

  In arch/x86/kernel/cpu/bugs.c (ffffffff81060345)
  Location: arch/x86/kernel/cpu/bugs.c:82
  Inline: True
  Inline callers:
    - arch/x86/kernel/cpu/bugs.c:update_stibp_msr
    - arch/x86/kernel/cpu/bugs.c:x86_virt_spec_ctrl
  Direct callers:
    - arch/x86/platform/efi/quirks.c:efi_crash_gracefully_on_page_fault
    - arch/x86/platform/efi/efi_64.c:efi_thunk_reset_system
    - arch/x86/platform/efi/efi_64.c:efi_thunk_reset_system
    - arch/x86/platform/efi/efi_64.c:efi_thunk_get_next_variable
    - arch/x86/platform/efi/efi_64.c:efi_thunk_get_next_variable
    - arch/x86/platform/efi/efi_64.c:efi_thunk_set_variable_nonblocking
    - arch/x86/platform/efi/efi_64.c:efi_thunk_set_variable_nonblocking
    - arch/x86/platform/efi/efi_64.c:efi_thunk_set_variable
    - arch/x86/platform/efi/efi_64.c:efi_thunk_set_variable
    - arch/x86/platform/efi/efi_64.c:efi_thunk_get_variable
    - arch/x86/platform/efi/efi_64.c:efi_thunk_get_variable
    - arch/x86/platform/uv/bios_uv.c:__uv_bios_call
    - arch/x86/platform/uv/bios_uv.c:__uv_bios_call
    - drivers/idle/intel_idle.c:intel_idle_ibrs
    - drivers/idle/intel_idle.c:intel_idle_ibrs
    - drivers/acpi/prmt.c:acpi_platformrt_space_handler
    - drivers/acpi/prmt.c:acpi_platformrt_space_handler
    - drivers/firmware/efi/runtime-wrappers.c:virt_efi_reset_system
    - drivers/firmware/efi/runtime-wrappers.c:virt_efi_reset_system
    - drivers/firmware/efi/runtime-wrappers.c:efi_call_rts
    - drivers/firmware/efi/runtime-wrappers.c:efi_call_rts
    - drivers/firmware/efi/runtime-wrappers.c:efi_call_rts
    - drivers/firmware/efi/runtime-wrappers.c:efi_call_rts
    - drivers/firmware/efi/runtime-wrappers.c:efi_call_rts
    - drivers/firmware/efi/runtime-wrappers.c:efi_call_rts
    - drivers/firmware/efi/runtime-wrappers.c:efi_call_rts
    - drivers/firmware/efi/runtime-wrappers.c:efi_call_rts
    - drivers/firmware/efi/runtime-wrappers.c:efi_call_rts
    - drivers/firmware/efi/runtime-wrappers.c:efi_call_rts
    - drivers/firmware/efi/runtime-wrappers.c:efi_call_rts
    - drivers/firmware/efi/runtime-wrappers.c:efi_call_rts
    - drivers/firmware/efi/runtime-wrappers.c:efi_call_rts
    - drivers/firmware/efi/runtime-wrappers.c:efi_call_rts
    - drivers/firmware/efi/runtime-wrappers.c:efi_call_rts
    - drivers/firmware/efi/runtime-wrappers.c:efi_call_rts
    - drivers/firmware/efi/runtime-wrappers.c:efi_call_rts
    - drivers/firmware/efi/runtime-wrappers.c:efi_call_rts
    - drivers/firmware/efi/runtime-wrappers.c:efi_call_rts
    - drivers/firmware/efi/runtime-wrappers.c:efi_call_rts
    - drivers/firmware/efi/runtime-wrappers.c:efi_call_rts
    - drivers/firmware/efi/runtime-wrappers.c:efi_call_rts
  

  Symbols:

  ffffffff8105f3a0-ffffffff8105f3b7: spec_ctrl_current (STB_GLOBAL)
  

• In 6.2: Selective Inline ⚠️

  u64 spec_ctrl_current();
  

  Collision: Unique Global

  Inline: Selective

  Transformation: False

  Instances:

  In arch/x86/kernel/cpu/bugs.c (ffffffff8106e645)
  Location: arch/x86/kernel/cpu/bugs.c:89
  Inline: True
  Inline callers:
    - arch/x86/kernel/cpu/bugs.c:update_stibp_msr
  Direct callers:
    - arch/x86/platform/efi/quirks.c:efi_crash_gracefully_on_page_fault
    - arch/x86/platform/efi/efi_64.c:efi_thunk_reset_system
    - arch/x86/platform/efi/efi_64.c:efi_thunk_reset_system
    - arch/x86/platform/efi/efi_64.c:efi_thunk_get_next_variable
    - arch/x86/platform/efi/efi_64.c:efi_thunk_get_next_variable
    - arch/x86/platform/efi/efi_64.c:efi_thunk_set_variable_nonblocking
    - arch/x86/platform/efi/efi_64.c:efi_thunk_set_variable_nonblocking
    - arch/x86/platform/efi/efi_64.c:efi_thunk_set_variable
    - arch/x86/platform/efi/efi_64.c:efi_thunk_set_variable
    - arch/x86/platform/efi/efi_64.c:efi_thunk_get_variable
    - arch/x86/platform/efi/efi_64.c:efi_thunk_get_variable
    - arch/x86/platform/uv/bios_uv.c:__uv_bios_call
    - arch/x86/platform/uv/bios_uv.c:__uv_bios_call
    - drivers/idle/intel_idle.c:intel_idle_ibrs
    - drivers/idle/intel_idle.c:intel_idle_ibrs
    - drivers/acpi/prmt.c:acpi_platformrt_space_handler
    - drivers/acpi/prmt.c:acpi_platformrt_space_handler
    - drivers/firmware/efi/runtime-wrappers.c:efi_call_rts
    - drivers/firmware/efi/runtime-wrappers.c:efi_call_rts
    - drivers/firmware/efi/runtime-wrappers.c:efi_call_rts
    - drivers/firmware/efi/runtime-wrappers.c:efi_call_rts
    - drivers/firmware/efi/runtime-wrappers.c:efi_call_rts
    - drivers/firmware/efi/runtime-wrappers.c:efi_call_rts
    - drivers/firmware/efi/runtime-wrappers.c:efi_call_rts
    - drivers/firmware/efi/runtime-wrappers.c:efi_call_rts
    - drivers/firmware/efi/runtime-wrappers.c:efi_call_rts
    - drivers/firmware/efi/runtime-wrappers.c:efi_call_rts
    - drivers/firmware/efi/runtime-wrappers.c:efi_call_rts
    - drivers/firmware/efi/runtime-wrappers.c:efi_call_rts
    - drivers/firmware/efi/runtime-wrappers.c:efi_call_rts
  

  Symbols:

  ffffffff8106db40-ffffffff8106db57: spec_ctrl_current (STB_GLOBAL)
  

• In 6.5: ✅

  u64 spec_ctrl_current();
  

  Collision: Unique Global

  Inline: No

  Transformation: False

  Instances:

  In arch/x86/kernel/cpu/bugs.c (ffffffff8213e640)
  Location: arch/x86/kernel/cpu/bugs.c:94
  Inline: False
  Direct callers:
    - arch/x86/kernel/cpu/bugs.c:update_stibp_msr
    - arch/x86/platform/efi/quirks.c:efi_crash_gracefully_on_page_fault
    - arch/x86/platform/efi/efi_64.c:efi_thunk_reset_system
    - arch/x86/platform/efi/efi_64.c:efi_thunk_reset_system
    - arch/x86/platform/efi/efi_64.c:efi_thunk_get_next_variable
    - arch/x86/platform/efi/efi_64.c:efi_thunk_get_next_variable
    - arch/x86/platform/efi/efi_64.c:efi_thunk_set_variable_nonblocking
    - arch/x86/platform/efi/efi_64.c:efi_thunk_set_variable_nonblocking
    - arch/x86/platform/efi/efi_64.c:efi_thunk_set_variable
    - arch/x86/platform/efi/efi_64.c:efi_thunk_set_variable
    - arch/x86/platform/efi/efi_64.c:efi_thunk_get_variable
    - arch/x86/platform/efi/efi_64.c:efi_thunk_get_variable
    - arch/x86/platform/uv/bios_uv.c:__uv_bios_call
    - arch/x86/platform/uv/bios_uv.c:__uv_bios_call
    - drivers/idle/intel_idle.c:intel_idle_ibrs
    - drivers/idle/intel_idle.c:intel_idle_ibrs
    - drivers/acpi/prmt.c:acpi_platformrt_space_handler
    - drivers/acpi/prmt.c:acpi_platformrt_space_handler
    - drivers/firmware/efi/runtime-wrappers.c:efi_call_rts
    - drivers/firmware/efi/runtime-wrappers.c:efi_call_rts
    - drivers/firmware/efi/runtime-wrappers.c:efi_call_rts
    - drivers/firmware/efi/runtime-wrappers.c:efi_call_rts
    - drivers/firmware/efi/runtime-wrappers.c:efi_call_rts
    - drivers/firmware/efi/runtime-wrappers.c:efi_call_rts
    - drivers/firmware/efi/runtime-wrappers.c:efi_call_rts
    - drivers/firmware/efi/runtime-wrappers.c:efi_call_rts
    - drivers/firmware/efi/runtime-wrappers.c:efi_call_rts
    - drivers/firmware/efi/runtime-wrappers.c:efi_call_rts
    - drivers/firmware/efi/runtime-wrappers.c:efi_call_rts
    - drivers/firmware/efi/runtime-wrappers.c:efi_call_rts
  

  Symbols:

  ffffffff8213e640-ffffffff8213e64d: spec_ctrl_current (STB_GLOBAL)
  

• In 6.8: ✅

  u64 spec_ctrl_current();
  

  Collision: Unique Global

  Inline: No

  Transformation: False

  Instances:

  In arch/x86/kernel/cpu/bugs.c (ffffffff82220630)
  Location: arch/x86/kernel/cpu/bugs.c:94
  Inline: False
  Direct callers:
    - arch/x86/kernel/cpu/bugs.c:update_stibp_msr
    - arch/x86/platform/efi/efi_64.c:arch_efi_call_virt_teardown
    - arch/x86/platform/efi/efi_64.c:arch_efi_call_virt_setup
    - drivers/idle/intel_idle.c:intel_idle_ibrs
    - drivers/idle/intel_idle.c:intel_idle_ibrs
  

  Symbols:

  ffffffff82220630-ffffffff8222063d: spec_ctrl_current (STB_GLOBAL)
  

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