DepSurf

Function: btf_is_kernel

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: ✅

  bool btf_is_kernel(const struct btf *btf);
  

  Collision: Unique Global

  Inline: No

  Transformation: False

  Instances:

  In kernel/bpf/btf.c (ffffffff8122cd00)
  Location: kernel/bpf/btf.c:5741
  Inline: False
  Direct callers:
    - kernel/bpf/syscall.c:bpf_prog_load
    - kernel/bpf/syscall.c:map_create
    - kernel/bpf/verifier.c:bpf_check
  

  Symbols:

  ffffffff8122cd00-ffffffff8122cd12: btf_is_kernel (STB_GLOBAL)
  

• In 5.13: Selective Inline ⚠️

  bool btf_is_kernel(const struct btf *btf);
  

  Collision: Unique Global

  Inline: Selective

  Transformation: False

  Instances:

  In kernel/bpf/btf.c (ffffffff812308e7)
  Location: kernel/bpf/btf.c:5934
  Inline: True
  Inline callers:
    - kernel/bpf/btf.c:btf_check_func_arg_match
  Direct callers:
    - kernel/bpf/syscall.c:bpf_prog_load
    - kernel/bpf/syscall.c:map_create
    - kernel/bpf/verifier.c:bpf_check
  

  Symbols:

  ffffffff81231ab0-ffffffff81231ac2: btf_is_kernel (STB_GLOBAL)
  

• In 5.15: Selective Inline, Transformation ⚠️

  bool btf_is_kernel(const struct btf *btf);
  

  Collision: Unique Global

  Inline: Selective

  Transformation: True

  Instances:

  In kernel/bpf/btf.c (ffffffff81269663)
  Location: kernel/bpf/btf.c:5987
  Inline: True
  Inline callers:
    - kernel/bpf/btf.c:btf_check_func_arg_match
  Direct callers:
    - kernel/bpf/syscall.c:bpf_prog_load
    - kernel/bpf/syscall.c:map_create
    - kernel/bpf/verifier.c:bpf_check
  

  Symbols:

  ffffffff81cb9592-ffffffff81cb95b2: btf_is_kernel.cold (STB_LOCAL)
  ffffffff8126aa50-ffffffff8126aa68: btf_is_kernel (STB_GLOBAL)
  

• In 5.19: Selective Inline, Transformation ⚠️

  bool btf_is_kernel(const struct btf *btf);
  

  Collision: Unique Global

  Inline: Selective

  Transformation: True

  Instances:

  In kernel/bpf/btf.c (ffffffff812b80ef)
  Location: kernel/bpf/btf.c:6720
  Inline: True
  Inline callers:
    - kernel/bpf/btf.c:btf_check_func_arg_match
  Direct callers:
    - kernel/bpf/syscall.c:bpf_prog_load
    - kernel/bpf/syscall.c:map_create
    - kernel/bpf/verifier.c:bpf_check
    - kernel/bpf/verifier.c:map_kptr_match_type
  

  Symbols:

  ffffffff81e6a905-ffffffff81e6a92f: btf_is_kernel.cold (STB_LOCAL)
  ffffffff812b78c0-ffffffff812b78e2: btf_is_kernel (STB_GLOBAL)
  

• In 6.2: Transformation ⚠️

  bool btf_is_kernel(const struct btf *btf);
  

  Collision: Unique Global

  Inline: No

  Transformation: True

  Instances:

  In kernel/bpf/btf.c (0)
  Location: kernel/bpf/btf.c:7211
  Inline: False
  Direct callers:
    - kernel/bpf/syscall.c:bpf_prog_load
    - kernel/bpf/syscall.c:map_create
    - kernel/bpf/verifier.c:bpf_check
    - kernel/bpf/verifier.c:check_ptr_to_btf_access
    - kernel/bpf/verifier.c:check_ptr_to_btf_access
    - kernel/bpf/verifier.c:map_kptr_match_type
  

  Symbols:

  ffffffff820619e3-ffffffff82061a0d: btf_is_kernel.cold (STB_LOCAL)
  ffffffff81318f40-ffffffff81318f62: btf_is_kernel (STB_GLOBAL)
  

• In 6.5: Selective Inline, Transformation ⚠️

  bool btf_is_kernel(const struct btf *btf);
  

  Collision: Unique Global

  Inline: Selective

  Transformation: True

  Instances:

  In kernel/bpf/btf.c (ffffffff81348fc3)
  Location: kernel/bpf/btf.c:7310
  Inline: True
  Inline callers:
    - kernel/bpf/btf.c:btf_parse_kptr
  Direct callers:
    - kernel/bpf/syscall.c:bpf_prog_load
    - kernel/bpf/syscall.c:map_create
    - kernel/bpf/syscall.c:bpf_obj_free_fields
    - kernel/bpf/verifier.c:bpf_check
    - kernel/bpf/verifier.c:check_helper_call
    - kernel/bpf/verifier.c:check_ptr_to_btf_access
    - kernel/bpf/verifier.c:check_ptr_to_btf_access
    - kernel/bpf/verifier.c:map_kptr_match_type
  

  Symbols:

  ffffffff820e1099-ffffffff820e10c3: btf_is_kernel.cold (STB_LOCAL)
  ffffffff81348d60-ffffffff81348d82: btf_is_kernel (STB_GLOBAL)
  

• In 6.8: Selective Inline, Transformation ⚠️

  bool btf_is_kernel(const struct btf *btf);
  

  Collision: Unique Global

  Inline: Selective

  Transformation: True

  Instances:

  In kernel/bpf/btf.c (ffffffff8136f6f3)
  Location: kernel/bpf/btf.c:7374
  Inline: True
  Inline callers:
    - kernel/bpf/btf.c:btf_parse_kptr
  Direct callers:
    - kernel/bpf/syscall.c:bpf_prog_load
    - kernel/bpf/syscall.c:map_create
    - kernel/bpf/syscall.c:bpf_obj_free_fields
    - kernel/bpf/verifier.c:bpf_check
    - kernel/bpf/verifier.c:check_ptr_to_btf_access
    - kernel/bpf/verifier.c:check_ptr_to_btf_access
    - kernel/bpf/verifier.c:map_kptr_match_type
  

  Symbols:

  ffffffff821bd8a6-ffffffff821bd8d0: btf_is_kernel.cold (STB_LOCAL)
  ffffffff8136f490-ffffffff8136f4b2: btf_is_kernel (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 5.11 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 ✅