website-function

Function: arch_prepare_bpf_trampoline

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: Transformation ⚠️

  int arch_prepare_bpf_trampoline(void *image, void *image_end, const struct btf_func_model *m, u32 flags, struct bpf_tramp_progs *tprogs, void *orig_call);
  

  Collision: Unique Global

  Inline: No

  Transformation: True

  Instances:

  In arch/x86/net/bpf_jit_comp.c (ffffffff8121f230)
  Location: arch/x86/net/bpf_jit_comp.c:1574
  Inline: False
  Direct callers:
    - kernel/bpf/trampoline.c:bpf_trampoline_update
    - kernel/bpf/bpf_struct_ops.c:bpf_struct_ops_map_update_elem
  

  Symbols:

  ffffffff810a32c8-ffffffff810a32f7: arch_prepare_bpf_trampoline.cold (STB_LOCAL)
  ffffffff810a2800-ffffffff810a2d5c: arch_prepare_bpf_trampoline (STB_GLOBAL)
  

• In 5.11: Transformation ⚠️

  int arch_prepare_bpf_trampoline(struct bpf_tramp_image *im, void *image, void *image_end, const struct btf_func_model *m, u32 flags, struct bpf_tramp_progs *tprogs, void *orig_call);
  

  Collision: Unique Global

  Inline: No

  Transformation: True

  Instances:

  In arch/x86/net/bpf_jit_comp.c (ffffffff81222bb0)
  Location: arch/x86/net/bpf_jit_comp.c:1747
  Inline: False
  Direct callers:
    - kernel/bpf/trampoline.c:bpf_trampoline_update
    - kernel/bpf/bpf_struct_ops.c:bpf_struct_ops_map_update_elem
  

  Symbols:

  ffffffff81bdafbe-ffffffff81bdb02f: arch_prepare_bpf_trampoline.cold (STB_LOCAL)
  ffffffff8109e120-ffffffff8109e74a: arch_prepare_bpf_trampoline (STB_GLOBAL)
  

• In 5.13: Transformation ⚠️

  int arch_prepare_bpf_trampoline(struct bpf_tramp_image *im, void *image, void *image_end, const struct btf_func_model *m, u32 flags, struct bpf_tramp_progs *tprogs, void *orig_call);
  

  Collision: Unique Global

  Inline: No

  Transformation: True

  Instances:

  In arch/x86/net/bpf_jit_comp.c (ffffffff812273f0)
  Location: arch/x86/net/bpf_jit_comp.c:1958
  Inline: False
  Direct callers:
    - kernel/bpf/trampoline.c:bpf_trampoline_update
    - kernel/bpf/bpf_struct_ops.c:bpf_struct_ops_map_update_elem
  

  Symbols:

  ffffffff81bcd0a2-ffffffff81bcd113: arch_prepare_bpf_trampoline.cold (STB_LOCAL)
  ffffffff8109ef30-ffffffff8109f5b0: arch_prepare_bpf_trampoline (STB_GLOBAL)
  

• In 5.15: Transformation ⚠️

  int arch_prepare_bpf_trampoline(struct bpf_tramp_image *im, void *image, void *image_end, const struct btf_func_model *m, u32 flags, struct bpf_tramp_progs *tprogs, void *orig_call);
  

  Collision: Unique Global

  Inline: No

  Transformation: True

  Instances:

  In arch/x86/net/bpf_jit_comp.c (ffffffff8125f4f0)
  Location: arch/x86/net/bpf_jit_comp.c:2003
  Inline: False
  Direct callers:
    - kernel/bpf/trampoline.c:bpf_trampoline_update
    - kernel/bpf/bpf_struct_ops.c:bpf_struct_ops_map_update_elem
  

  Symbols:

  ffffffff81ca3801-ffffffff81ca386f: arch_prepare_bpf_trampoline.cold (STB_LOCAL)
  ffffffff810b00f0-ffffffff810b0908: arch_prepare_bpf_trampoline (STB_GLOBAL)
  

• In 5.19: Transformation ⚠️

  int arch_prepare_bpf_trampoline(struct bpf_tramp_image *im, void *image, void *image_end, const struct btf_func_model *m, u32 flags, struct bpf_tramp_links *tlinks, void *orig_call);
  

  Collision: Unique Global

  Inline: No

  Transformation: True

  Instances:

  In arch/x86/net/bpf_jit_comp.c (ffffffff812a9c50)
  Location: arch/x86/net/bpf_jit_comp.c:2022
  Inline: False
  Direct callers:
    - kernel/bpf/trampoline.c:bpf_trampoline_update
    - kernel/bpf/bpf_struct_ops.c:bpf_struct_ops_map_update_elem
  

  Symbols:

  ffffffff81e52efb-ffffffff81e52f63: arch_prepare_bpf_trampoline.cold (STB_LOCAL)
  ffffffff810c5ed0-ffffffff810c67d2: arch_prepare_bpf_trampoline (STB_GLOBAL)
  

• In 6.2: ✅

  int arch_prepare_bpf_trampoline(struct bpf_tramp_image *im, void *image, void *image_end, const struct btf_func_model *m, u32 flags, struct bpf_tramp_links *tlinks, void *func_addr);
  

  Collision: Unique Global

  Inline: No

  Transformation: False

  Instances:

  In arch/x86/net/bpf_jit_comp.c (ffffffff810e2cb0)
  Location: arch/x86/net/bpf_jit_comp.c:2128
  Inline: False
  Direct callers:
    - kernel/bpf/trampoline.c:bpf_trampoline_update
    - kernel/bpf/bpf_struct_ops.c:bpf_struct_ops_map_update_elem
  

  Symbols:

  ffffffff810e2cb0-ffffffff810e373c: arch_prepare_bpf_trampoline (STB_GLOBAL)
  

• In 6.5: ✅

  int arch_prepare_bpf_trampoline(struct bpf_tramp_image *im, void *image, void *image_end, const struct btf_func_model *m, u32 flags, struct bpf_tramp_links *tlinks, void *func_addr);
  

  Collision: Unique Global

  Inline: No

  Transformation: False

  Instances:

  In arch/x86/net/bpf_jit_comp.c (ffffffff810ee380)
  Location: arch/x86/net/bpf_jit_comp.c:2133
  Inline: False
  Direct callers:
    - kernel/bpf/trampoline.c:bpf_trampoline_update
    - kernel/bpf/bpf_struct_ops.c:bpf_struct_ops_map_update_elem
  

  Symbols:

  ffffffff810ee380-ffffffff810eedcb: arch_prepare_bpf_trampoline (STB_GLOBAL)
  

• In 6.8: ✅

  int arch_prepare_bpf_trampoline(struct bpf_tramp_image *im, void *image, void *image_end, const struct btf_func_model *m, u32 flags, struct bpf_tramp_links *tlinks, void *func_addr);
  

  Collision: Unique Global

  Inline: No

  Transformation: False

  Instances:

  In arch/x86/net/bpf_jit_comp.c (ffffffff810f7ee0)
  Location: arch/x86/net/bpf_jit_comp.c:2791
  Inline: False
  Direct callers:
    - kernel/bpf/trampoline.c:bpf_trampoline_update
    - kernel/bpf/bpf_struct_ops.c:bpf_struct_ops_prepare_trampoline
  

  Symbols:

  ffffffff810f7ee0-ffffffff810f7faa: arch_prepare_bpf_trampoline (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

• Changed between 5.8 and 5.11 ⚠️

  • Param added. struct bpf_tramp_image *im
  • Param reordered. image, image_end, m, flags, tprogs, orig_call ➡️ im, image, image_end, m, flags, tprogs, orig_call
• No changes between 5.11 and 5.13 ✅
• No changes between 5.13 and 5.15 ✅
• Changed between 5.15 and 5.19 ⚠️

  • Param added. struct bpf_tramp_links *tlinks
  • Param removed. struct bpf_tramp_progs *tprogs
• Changed between 5.19 and 6.2 ⚠️

  • Param added. void *func_addr
  • Param removed. void *orig_call
• No changes between 6.2 and 6.5 ✅
• No changes between 6.5 and 6.8 ✅