DepSurf

Function: percpu_is_read_locked

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: Absent ⚠️
• In 6.2: ✅

  bool percpu_is_read_locked(struct percpu_rw_semaphore *sem);
  

  Collision: Unique Global

  Inline: No

  Transformation: False

  Instances:

  In kernel/locking/percpu-rwsem.c (ffffffff8117da40)
  Location: kernel/locking/percpu-rwsem.c:195
  Inline: False
  Direct callers:
    - kernel/events/hw_breakpoint.c:dbg_release_bp_slot
    - kernel/events/hw_breakpoint.c:dbg_reserve_bp_slot
  

  Symbols:

  ffffffff8117da40-ffffffff8117dae6: percpu_is_read_locked (STB_GLOBAL)
  

• In 6.5: ✅

  bool percpu_is_read_locked(struct percpu_rw_semaphore *sem);
  

  Collision: Unique Global

  Inline: No

  Transformation: False

  Instances:

  In kernel/locking/percpu-rwsem.c (ffffffff8118e6e0)
  Location: kernel/locking/percpu-rwsem.c:195
  Inline: False
  Direct callers:
    - kernel/events/hw_breakpoint.c:dbg_release_bp_slot
    - kernel/events/hw_breakpoint.c:dbg_reserve_bp_slot
  

  Symbols:

  ffffffff8118e6e0-ffffffff8118e786: percpu_is_read_locked (STB_GLOBAL)
  

• In 6.8: ✅

  bool percpu_is_read_locked(struct percpu_rw_semaphore *sem);
  

  Collision: Unique Global

  Inline: No

  Transformation: False

  Instances:

  In kernel/locking/percpu-rwsem.c (ffffffff8119d090)
  Location: kernel/locking/percpu-rwsem.c:195
  Inline: False
  Direct callers:
    - kernel/events/hw_breakpoint.c:dbg_release_bp_slot
    - kernel/events/hw_breakpoint.c:dbg_reserve_bp_slot
  

  Symbols:

  ffffffff8119d090-ffffffff8119d136: percpu_is_read_locked (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 6.2 and 6.5 ✅
• No changes between 6.5 and 6.8 ✅