DepSurf

Function: rwsem_spin_on_owner

Status

Regular

• In 4.4: ✅

  bool rwsem_spin_on_owner(struct rw_semaphore *sem, struct task_struct *owner);
  

  Collision: Unique Static

  Inline: No

  Transformation: False

  Instances:

  In kernel/locking/rwsem-xadd.c (ffffffff810cbcb0)
  Location: kernel/locking/rwsem-xadd.c:329
  Inline: False
  

  Symbols:

  ffffffff810cbcb0-ffffffff810cbd28: rwsem_spin_on_owner (STB_LOCAL)
  

• In 4.8: ✅

  bool rwsem_spin_on_owner(struct rw_semaphore *sem);
  

  Collision: Unique Static

  Inline: No

  Transformation: False

  Instances:

  In kernel/locking/rwsem-xadd.c (ffffffff810d07d0)
  Location: kernel/locking/rwsem-xadd.c:356
  Inline: False
  Direct callers:
    - kernel/locking/rwsem-xadd.c:rwsem_down_write_failed_killable
    - kernel/locking/rwsem-xadd.c:rwsem_down_write_failed_killable
    - kernel/locking/rwsem-xadd.c:rwsem_down_write_failed
    - kernel/locking/rwsem-xadd.c:rwsem_down_write_failed
  

  Symbols:

  ffffffff810d07d0-ffffffff810d0831: rwsem_spin_on_owner (STB_LOCAL)
  

• In 4.10: ✅

  bool rwsem_spin_on_owner(struct rw_semaphore *sem);
  

  Collision: Unique Static

  Inline: No

  Transformation: False

  Instances:

  In kernel/locking/rwsem-xadd.c (ffffffff810d7230)
  Location: kernel/locking/rwsem-xadd.c:352
  Inline: False
  Direct callers:
    - kernel/locking/rwsem-xadd.c:rwsem_down_write_failed_killable
    - kernel/locking/rwsem-xadd.c:rwsem_down_write_failed_killable
    - kernel/locking/rwsem-xadd.c:rwsem_down_write_failed
    - kernel/locking/rwsem-xadd.c:rwsem_down_write_failed
  

  Symbols:

  ffffffff810d7230-ffffffff810d72a8: rwsem_spin_on_owner (STB_LOCAL)
  

• In 4.13: ✅

  bool rwsem_spin_on_owner(struct rw_semaphore *sem);
  

  Collision: Unique Static

  Inline: No

  Transformation: False

  Instances:

  In kernel/locking/rwsem-xadd.c (ffffffff810d6270)
  Location: kernel/locking/rwsem-xadd.c:353
  Inline: False
  Direct callers:
    - kernel/locking/rwsem-xadd.c:rwsem_down_write_failed_killable
    - kernel/locking/rwsem-xadd.c:rwsem_down_write_failed
  

  Symbols:

  ffffffff810d6270-ffffffff810d62e7: rwsem_spin_on_owner (STB_LOCAL)
  

• In 4.15: ✅

  bool rwsem_spin_on_owner(struct rw_semaphore *sem);
  

  Collision: Unique Static

  Inline: No

  Transformation: False

  Instances:

  In kernel/locking/rwsem-xadd.c (ffffffff810de230)
  Location: kernel/locking/rwsem-xadd.c:381
  Inline: False
  Direct callers:
    - kernel/locking/rwsem-xadd.c:rwsem_down_write_failed_killable
    - kernel/locking/rwsem-xadd.c:rwsem_down_write_failed
  

  Symbols:

  ffffffff810de230-ffffffff810de298: rwsem_spin_on_owner (STB_LOCAL)
  

• In 4.18: ✅

  bool rwsem_spin_on_owner(struct rw_semaphore *sem);
  

  Collision: Unique Static

  Inline: No

  Transformation: False

  Instances:

  In kernel/locking/rwsem-xadd.c (ffffffff810e6880)
  Location: kernel/locking/rwsem-xadd.c:382
  Inline: False
  Direct callers:
    - kernel/locking/rwsem-xadd.c:rwsem_down_write_failed_killable
    - kernel/locking/rwsem-xadd.c:rwsem_down_write_failed
  

  Symbols:

  ffffffff810e6880-ffffffff810e68f1: rwsem_spin_on_owner (STB_LOCAL)
  

• In 5.0: ✅

  bool rwsem_spin_on_owner(struct rw_semaphore *sem);
  

  Collision: Unique Static

  Inline: No

  Transformation: False

  Instances:

  In kernel/locking/rwsem-xadd.c (ffffffff810f1e80)
  Location: kernel/locking/rwsem-xadd.c:400
  Inline: False
  Direct callers:
    - kernel/locking/rwsem-xadd.c:rwsem_down_write_failed_killable
    - kernel/locking/rwsem-xadd.c:rwsem_down_write_failed
  

  Symbols:

  ffffffff810f1e80-ffffffff810f1ef9: rwsem_spin_on_owner (STB_LOCAL)
  

• In 5.3: ✅

  enum owner_state rwsem_spin_on_owner(struct rw_semaphore *sem, long unsigned int nonspinnable);
  

  Collision: Unique Static

  Inline: No

  Transformation: False

  Instances:

  In kernel/locking/rwsem.c (ffffffff810f7f50)
  Location: kernel/locking/rwsem.c:714
  Inline: False
  Direct callers:
    - kernel/locking/rwsem.c:rwsem_optimistic_spin
  

  Symbols:

  ffffffff810f7f50-ffffffff810f801b: rwsem_spin_on_owner (STB_LOCAL)
  

• In 5.4: ✅

  enum owner_state rwsem_spin_on_owner(struct rw_semaphore *sem, long unsigned int nonspinnable);
  

  Collision: Unique Static

  Inline: No

  Transformation: False

  Instances:

  In kernel/locking/rwsem.c (ffffffff81103d80)
  Location: kernel/locking/rwsem.c:718
  Inline: False
  Direct callers:
    - kernel/locking/rwsem.c:rwsem_down_write_slowpath
    - kernel/locking/rwsem.c:rwsem_optimistic_spin
  

  Symbols:

  ffffffff81103d80-ffffffff81103e44: rwsem_spin_on_owner (STB_LOCAL)
  

• In 5.8: ✅

  enum owner_state rwsem_spin_on_owner(struct rw_semaphore *sem, long unsigned int nonspinnable);
  

  Collision: Unique Static

  Inline: No

  Transformation: False

  Instances:

  In kernel/locking/rwsem.c (ffffffff8110e800)
  Location: kernel/locking/rwsem.c:715
  Inline: False
  Direct callers:
    - kernel/locking/rwsem.c:rwsem_down_write_slowpath
    - kernel/locking/rwsem.c:rwsem_optimistic_spin
  

  Symbols:

  ffffffff8110e800-ffffffff8110e8f9: rwsem_spin_on_owner (STB_LOCAL)
  

• In 5.11: ✅

  enum owner_state rwsem_spin_on_owner(struct rw_semaphore *sem);
  

  Collision: Unique Static

  Inline: No

  Transformation: False

  Instances:

  In kernel/locking/rwsem.c (ffffffff8110ba80)
  Location: kernel/locking/rwsem.c:666
  Inline: False
  Direct callers:
    - kernel/locking/rwsem.c:rwsem_down_write_slowpath
    - kernel/locking/rwsem.c:rwsem_optimistic_spin
    - kernel/locking/rwsem.c:rwsem_optimistic_spin
  

  Symbols:

  ffffffff8110ba80-ffffffff8110bb47: rwsem_spin_on_owner (STB_LOCAL)
  

• In 5.13: ✅

  enum owner_state rwsem_spin_on_owner(struct rw_semaphore *sem);
  

  Collision: Unique Static

  Inline: No

  Transformation: False

  Instances:

  In kernel/locking/rwsem.c (ffffffff8110d960)
  Location: kernel/locking/rwsem.c:666
  Inline: False
  Direct callers:
    - kernel/locking/rwsem.c:rwsem_down_write_slowpath
    - kernel/locking/rwsem.c:rwsem_optimistic_spin
    - kernel/locking/rwsem.c:rwsem_optimistic_spin
  

  Symbols:

  ffffffff8110d960-ffffffff8110da21: rwsem_spin_on_owner (STB_LOCAL)
  

• In 5.15: ✅

  enum owner_state rwsem_spin_on_owner(struct rw_semaphore *sem);
  

  Collision: Unique Static

  Inline: No

  Transformation: False

  Instances:

  In kernel/locking/rwsem.c (ffffffff8112d210)
  Location: kernel/locking/rwsem.c:713
  Inline: False
  Direct callers:
    - kernel/locking/rwsem.c:rwsem_down_write_slowpath
    - kernel/locking/rwsem.c:rwsem_optimistic_spin
    - kernel/locking/rwsem.c:rwsem_optimistic_spin
  

  Symbols:

  ffffffff8112d210-ffffffff8112d2d1: rwsem_spin_on_owner (STB_LOCAL)
  

• In 5.19: ✅

  enum owner_state rwsem_spin_on_owner(struct rw_semaphore *sem);
  

  Collision: Unique Static

  Inline: No

  Transformation: False

  Instances:

  In kernel/locking/rwsem.c (ffffffff8114e540)
  Location: kernel/locking/rwsem.c:745
  Inline: False
  Direct callers:
    - kernel/locking/rwsem.c:rwsem_down_write_slowpath
    - kernel/locking/rwsem.c:rwsem_optimistic_spin
    - kernel/locking/rwsem.c:rwsem_optimistic_spin
  

  Symbols:

  ffffffff8114e540-ffffffff8114e680: rwsem_spin_on_owner (STB_LOCAL)
  

• In 6.2: ✅

  enum owner_state rwsem_spin_on_owner(struct rw_semaphore *sem);
  

  Collision: Unique Static

  Inline: No

  Transformation: False

  Instances:

  In kernel/locking/rwsem.c (ffffffff8117d550)
  Location: kernel/locking/rwsem.c:752
  Inline: False
  Direct callers:
    - kernel/locking/rwsem.c:rwsem_down_write_slowpath
    - kernel/locking/rwsem.c:rwsem_optimistic_spin
    - kernel/locking/rwsem.c:rwsem_optimistic_spin
  

  Symbols:

  ffffffff8117d550-ffffffff8117d6c1: rwsem_spin_on_owner (STB_LOCAL)
  

• In 6.5: ✅

  enum owner_state rwsem_spin_on_owner(struct rw_semaphore *sem);
  

  Collision: Unique Static

  Inline: No

  Transformation: False

  Instances:

  In kernel/locking/rwsem.c (ffffffff8118e230)
  Location: kernel/locking/rwsem.c:747
  Inline: False
  Direct callers:
    - kernel/locking/rwsem.c:rwsem_down_write_slowpath
    - kernel/locking/rwsem.c:rwsem_optimistic_spin
    - kernel/locking/rwsem.c:rwsem_optimistic_spin
  

  Symbols:

  ffffffff8118e230-ffffffff8118e380: rwsem_spin_on_owner (STB_LOCAL)
  

• In 6.8: ✅

  enum owner_state rwsem_spin_on_owner(struct rw_semaphore *sem);
  

  Collision: Unique Static

  Inline: No

  Transformation: False

  Instances:

  In kernel/locking/rwsem.c (ffffffff8119cbe0)
  Location: kernel/locking/rwsem.c:747
  Inline: False
  Direct callers:
    - kernel/locking/rwsem.c:rwsem_down_write_slowpath
    - kernel/locking/rwsem.c:rwsem_optimistic_spin
    - kernel/locking/rwsem.c:rwsem_optimistic_spin
  

  Symbols:

  ffffffff8119cbe0-ffffffff8119cd30: rwsem_spin_on_owner (STB_LOCAL)
  

Arch

• In arm64: ✅

  enum owner_state rwsem_spin_on_owner(struct rw_semaphore *sem, long unsigned int nonspinnable);
  

  Collision: Unique Static

  Inline: No

  Transformation: False

  Instances:

  In kernel/locking/rwsem.c (ffff800010168e88)
  Location: kernel/locking/rwsem.c:718
  Inline: False
  Direct callers:
    - kernel/locking/rwsem.c:rwsem_down_write_slowpath
    - kernel/locking/rwsem.c:rwsem_optimistic_spin
    - kernel/locking/rwsem.c:rwsem_optimistic_spin
  

  Symbols:

  ffff800010168e88-ffff800010168f48: rwsem_spin_on_owner (STB_LOCAL)
  

• In armhf: ✅

  enum owner_state rwsem_spin_on_owner(struct rw_semaphore *sem, long unsigned int nonspinnable);
  

  Collision: Unique Static

  Inline: No

  Transformation: False

  Instances:

  In kernel/locking/rwsem.c (c03b5258)
  Location: kernel/locking/rwsem.c:718
  Inline: False
  Direct callers:
    - kernel/locking/rwsem.c:rwsem_down_write_slowpath
    - kernel/locking/rwsem.c:rwsem_optimistic_spin
  

  Symbols:

  c03b5258-c03b5358: rwsem_spin_on_owner (STB_LOCAL)
  

• In ppc64el: ✅

  enum owner_state rwsem_spin_on_owner(struct rw_semaphore *sem, long unsigned int nonspinnable);
  

  Collision: Unique Static

  Inline: No

  Transformation: False

  Instances:

  In kernel/locking/rwsem.c (c0000000001c1140)
  Location: kernel/locking/rwsem.c:718
  Inline: False
  Direct callers:
    - kernel/locking/rwsem.c:rwsem_down_write_slowpath
    - kernel/locking/rwsem.c:rwsem_optimistic_spin
    - kernel/locking/rwsem.c:rwsem_optimistic_spin
  

  Symbols:

  c0000000001c1140-c0000000001c1264: rwsem_spin_on_owner (STB_LOCAL)
  

• In riscv64: Full Inline ⚠️

  Collision: Unique Static

  Inline: Full

  Transformation: False

  Instances:

  In kernel/locking/rwsem.c (0)
  Location: kernel/locking/rwsem.c:984
  Inline: True
  

Flavor

• In aws: ✅

  enum owner_state rwsem_spin_on_owner(struct rw_semaphore *sem, long unsigned int nonspinnable);
  

  Collision: Unique Static

  Inline: No

  Transformation: False

  Instances:

  In kernel/locking/rwsem.c (ffffffff810fd090)
  Location: kernel/locking/rwsem.c:718
  Inline: False
  Direct callers:
    - kernel/locking/rwsem.c:rwsem_down_write_slowpath
    - kernel/locking/rwsem.c:rwsem_optimistic_spin
  

  Symbols:

  ffffffff810fd090-ffffffff810fd154: rwsem_spin_on_owner (STB_LOCAL)
  

• In azure: ✅

  enum owner_state rwsem_spin_on_owner(struct rw_semaphore *sem, long unsigned int nonspinnable);
  

  Collision: Unique Static

  Inline: No

  Transformation: False

  Instances:

  In kernel/locking/rwsem.c (ffffffff810ed2a0)
  Location: kernel/locking/rwsem.c:718
  Inline: False
  Direct callers:
    - kernel/locking/rwsem.c:rwsem_down_write_slowpath
    - kernel/locking/rwsem.c:rwsem_optimistic_spin
  

  Symbols:

  ffffffff810ed2a0-ffffffff810ed364: rwsem_spin_on_owner (STB_LOCAL)
  

• In gcp: ✅

  enum owner_state rwsem_spin_on_owner(struct rw_semaphore *sem, long unsigned int nonspinnable);
  

  Collision: Unique Static

  Inline: No

  Transformation: False

  Instances:

  In kernel/locking/rwsem.c (ffffffff810fa250)
  Location: kernel/locking/rwsem.c:718
  Inline: False
  Direct callers:
    - kernel/locking/rwsem.c:rwsem_down_write_slowpath
    - kernel/locking/rwsem.c:rwsem_optimistic_spin
  

  Symbols:

  ffffffff810fa250-ffffffff810fa314: rwsem_spin_on_owner (STB_LOCAL)
  

• In lowlatency: ✅

  enum owner_state rwsem_spin_on_owner(struct rw_semaphore *sem, long unsigned int nonspinnable);
  

  Collision: Unique Static

  Inline: No

  Transformation: False

  Instances:

  In kernel/locking/rwsem.c (ffffffff811053c0)
  Location: kernel/locking/rwsem.c:718
  Inline: False
  Direct callers:
    - kernel/locking/rwsem.c:rwsem_down_write_slowpath
    - kernel/locking/rwsem.c:rwsem_optimistic_spin
  

  Symbols:

  ffffffff811053c0-ffffffff8110549a: rwsem_spin_on_owner (STB_LOCAL)
  

Differences

Regular

• Changed between 4.4 and 4.8 ⚠️

  • Param removed. struct task_struct *owner
• No changes between 4.8 and 4.10 ✅
• No changes between 4.10 and 4.13 ✅
• No changes between 4.13 and 4.15 ✅
• No changes between 4.15 and 4.18 ✅
• No changes between 4.18 and 5.0 ✅
• Changed between 5.0 and 5.3 ⚠️

  • Param added. long unsigned int nonspinnable
  • Return type changed. bool ➡️ enum owner_state
• No changes between 5.3 and 5.4 ✅
• No changes between 5.4 and 5.8 ✅
• Changed between 5.8 and 5.11 ⚠️

  • Param removed. long unsigned int nonspinnable
• 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 ✅

Arch

• No changes between amd64 and arm64 ✅
• No changes between amd64 and armhf ✅
• No changes between amd64 and ppc64el ✅

Flavor

• No changes between generic and aws ✅
• No changes between generic and azure ✅
• No changes between generic and gcp ✅
• No changes between generic and lowlatency ✅