DepSurf

Function: emit_bpf_tail_call_direct

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: Full Inline ⚠️

  Collision: Unique Static

  Inline: Full

  Transformation: False

  Instances:

  In arch/x86/net/bpf_jit_comp.c (ffffffff810a1153)
  Location: arch/x86/net/bpf_jit_comp.c:421
  Inline: True
  Inline callers:
    - arch/x86/net/bpf_jit_comp.c:do_jit
  

• In 5.11: Transformation ⚠️

  void emit_bpf_tail_call_direct(struct bpf_jit_poke_descriptor *poke, u8 **pprog, int addr, u8 *image, bool *callee_regs_used, u32 stack_depth);
  

  Collision: Unique Static

  Inline: No

  Transformation: True

  Instances:

  In arch/x86/net/bpf_jit_comp.c (0)
  Location: arch/x86/net/bpf_jit_comp.c:495
  Inline: False
  Direct callers:
    - arch/x86/net/bpf_jit_comp.c:do_jit
  

  Symbols:

  ffffffff8109b9c0-ffffffff8109bb10: emit_bpf_tail_call_direct (STB_LOCAL)
  ffffffff81bdadd8-ffffffff81bdadf5: emit_bpf_tail_call_direct.cold (STB_LOCAL)
  

• In 5.13: Transformation ⚠️

  void emit_bpf_tail_call_direct(struct bpf_jit_poke_descriptor *poke, u8 **pprog, int addr, u8 *image, bool *callee_regs_used, u32 stack_depth);
  

  Collision: Unique Static

  Inline: No

  Transformation: True

  Instances:

  In arch/x86/net/bpf_jit_comp.c (0)
  Location: arch/x86/net/bpf_jit_comp.c:507
  Inline: False
  Direct callers:
    - arch/x86/net/bpf_jit_comp.c:do_jit
  

  Symbols:

  ffffffff8109c0e0-ffffffff8109c226: emit_bpf_tail_call_direct (STB_LOCAL)
  ffffffff81bcceb3-ffffffff81bcced0: emit_bpf_tail_call_direct.cold (STB_LOCAL)
  

• In 5.15: Transformation ⚠️

  void emit_bpf_tail_call_direct(struct bpf_jit_poke_descriptor *poke, u8 **pprog, int addr, u8 *image, bool *callee_regs_used, u32 stack_depth);
  

  Collision: Unique Static

  Inline: No

  Transformation: True

  Instances:

  In arch/x86/net/bpf_jit_comp.c (0)
  Location: arch/x86/net/bpf_jit_comp.c:502
  Inline: False
  Direct callers:
    - arch/x86/net/bpf_jit_comp.c:do_jit
  

  Symbols:

  ffffffff810abdc0-ffffffff810abeff: emit_bpf_tail_call_direct (STB_LOCAL)
  ffffffff81ca3494-ffffffff81ca34b1: emit_bpf_tail_call_direct.cold (STB_LOCAL)
  

• In 5.19: Transformation ⚠️

  void emit_bpf_tail_call_direct(struct bpf_jit_poke_descriptor *poke, u8 **pprog, u8 *ip, bool *callee_regs_used, u32 stack_depth, struct jit_context *ctx);
  

  Collision: Unique Static

  Inline: No

  Transformation: True

  Instances:

  In arch/x86/net/bpf_jit_comp.c (0)
  Location: arch/x86/net/bpf_jit_comp.c:531
  Inline: False
  Direct callers:
    - arch/x86/net/bpf_jit_comp.c:do_jit
  

  Symbols:

  ffffffff810c1930-ffffffff810c1ab5: emit_bpf_tail_call_direct (STB_LOCAL)
  ffffffff81e52c40-ffffffff81e52c57: emit_bpf_tail_call_direct.cold (STB_LOCAL)
  

• In 6.2: ✅

  void emit_bpf_tail_call_direct(struct bpf_jit_poke_descriptor *poke, u8 **pprog, u8 *ip, bool *callee_regs_used, u32 stack_depth, struct jit_context *ctx);
  

  Collision: Unique Static

  Inline: No

  Transformation: False

  Instances:

  In arch/x86/net/bpf_jit_comp.c (ffffffff810de3b0)
  Location: arch/x86/net/bpf_jit_comp.c:544
  Inline: False
  Direct callers:
    - arch/x86/net/bpf_jit_comp.c:do_jit
  

  Symbols:

  ffffffff810de3b0-ffffffff810de54b: emit_bpf_tail_call_direct (STB_LOCAL)
  

• In 6.5: ✅

  void emit_bpf_tail_call_direct(struct bpf_jit_poke_descriptor *poke, u8 **pprog, u8 *ip, bool *callee_regs_used, u32 stack_depth, struct jit_context *ctx);
  

  Collision: Unique Static

  Inline: No

  Transformation: False

  Instances:

  In arch/x86/net/bpf_jit_comp.c (ffffffff810e99b0)
  Location: arch/x86/net/bpf_jit_comp.c:544
  Inline: False
  Direct callers:
    - arch/x86/net/bpf_jit_comp.c:do_jit
  

  Symbols:

  ffffffff810e99b0-ffffffff810e9b4b: emit_bpf_tail_call_direct (STB_LOCAL)
  

• In 6.8: Transformation ⚠️

  void emit_bpf_tail_call_direct(struct bpf_prog *bpf_prog, struct bpf_jit_poke_descriptor *poke, u8 **pprog, u8 *ip, bool *callee_regs_used, u32 stack_depth, struct jit_context *ctx);
  

  Collision: Unique Static

  Inline: No

  Transformation: True

  Instances:

  In arch/x86/net/bpf_jit_comp.c (0)
  Location: arch/x86/net/bpf_jit_comp.c:672
  Inline: False
  Direct callers:
    - arch/x86/net/bpf_jit_comp.c:do_jit
  

  Symbols:

  ffffffff810f2460-ffffffff810f265b: emit_bpf_tail_call_direct (STB_LOCAL)
  ffffffff821aedce-ffffffff821aedf3: emit_bpf_tail_call_direct.cold (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 5.11 and 5.13 ✅
• No changes between 5.13 and 5.15 ✅
• Changed between 5.15 and 5.19 ⚠️

  • Param added. u8 *ip
  • Param added. struct jit_context *ctx
  • Param removed. int addr
  • Param removed. u8 *image
  • Param reordered. poke, pprog, addr, image, callee_regs_used, stack_depth ➡️ poke, pprog, ip, callee_regs_used, stack_depth, ctx
• No changes between 5.19 and 6.2 ✅
• No changes between 6.2 and 6.5 ✅
• Changed between 6.5 and 6.8 ⚠️

  • Param added. struct bpf_prog *bpf_prog
  • Param reordered. poke, pprog, ip, callee_regs_used, stack_depth, ctx ➡️ bpf_prog, poke, pprog, ip, callee_regs_used, stack_depth, ctx