DepSurf

Function: futex_q_lock

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: ✅

  struct futex_hash_bucket *futex_q_lock(struct futex_q *q);
  

  Collision: Unique Global

  Inline: No

  Transformation: False

  Instances:

  In kernel/futex/core.c (ffffffff811b3270)
  Location: kernel/futex/core.c:513
  Inline: False
  Direct callers:
    - kernel/futex/pi.c:futex_lock_pi
    - kernel/futex/waitwake.c:futex_wait_setup
    - kernel/futex/waitwake.c:futex_wait_multiple_setup
  

  Symbols:

  ffffffff811b3270-ffffffff811b32aa: futex_q_lock (STB_GLOBAL)
  

• In 6.2: ✅

  struct futex_hash_bucket *futex_q_lock(struct futex_q *q);
  

  Collision: Unique Global

  Inline: No

  Transformation: False

  Instances:

  In kernel/futex/core.c (ffffffff811f41a0)
  Location: kernel/futex/core.c:513
  Inline: False
  Direct callers:
    - kernel/futex/pi.c:futex_lock_pi
    - kernel/futex/waitwake.c:futex_wait_setup
    - kernel/futex/waitwake.c:futex_wait_multiple_setup
  

  Symbols:

  ffffffff811f41a0-ffffffff811f41da: futex_q_lock (STB_GLOBAL)
  

• In 6.5: ✅

  struct futex_hash_bucket *futex_q_lock(struct futex_q *q);
  

  Collision: Unique Global

  Inline: No

  Transformation: False

  Instances:

  In kernel/futex/core.c (ffffffff81208930)
  Location: kernel/futex/core.c:513
  Inline: False
  Direct callers:
    - kernel/futex/pi.c:futex_lock_pi
    - kernel/futex/waitwake.c:futex_wait_setup
    - kernel/futex/waitwake.c:futex_wait_multiple_setup
  

  Symbols:

  ffffffff81208930-ffffffff8120896a: futex_q_lock (STB_GLOBAL)
  

• In 6.8: ✅

  struct futex_hash_bucket *futex_q_lock(struct futex_q *q);
  

  Collision: Unique Global

  Inline: No

  Transformation: False

  Instances:

  In kernel/futex/core.c (ffffffff8121f7c0)
  Location: kernel/futex/core.c:526
  Inline: False
  Direct callers:
    - kernel/futex/pi.c:futex_lock_pi
    - kernel/futex/waitwake.c:futex_wait_setup
    - kernel/futex/waitwake.c:futex_wait_multiple_setup
  

  Symbols:

  ffffffff8121f7c0-ffffffff8121f7fa: futex_q_lock (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 ✅