DepSurf

Function: rwsem_optimistic_spin

Status

Regular

• In 4.4: Full Inline ⚠️

  Collision: Unique Static

  Inline: Full

  Transformation: False

  Instances:

  In kernel/locking/rwsem-xadd.c (ffffffff81822e77)
  Location: kernel/locking/rwsem-xadd.c:365
  Inline: True
  

• In 4.8: Full Inline ⚠️

  Collision: Unique Static

  Inline: Full

  Transformation: False

  Instances:

  In kernel/locking/rwsem-xadd.c (ffffffff8189d8fa)
  Location: kernel/locking/rwsem-xadd.c:390
  Inline: True
  Inline callers:
    - kernel/locking/rwsem-xadd.c:rwsem_down_write_failed_killable
    - kernel/locking/rwsem-xadd.c:rwsem_down_write_failed
  

• In 4.10: Full Inline ⚠️

  Collision: Unique Static

  Inline: Full

  Transformation: False

  Instances:

  In kernel/locking/rwsem-xadd.c (ffffffff818d27ca)
  Location: kernel/locking/rwsem-xadd.c:390
  Inline: True
  Inline callers:
    - kernel/locking/rwsem-xadd.c:rwsem_down_write_failed_killable
    - kernel/locking/rwsem-xadd.c:rwsem_down_write_failed
  

• In 4.13: Full Inline ⚠️

  Collision: Unique Static

  Inline: Full

  Transformation: False

  Instances:

  In kernel/locking/rwsem-xadd.c (ffffffff81909691)
  Location: kernel/locking/rwsem-xadd.c:391
  Inline: True
  Inline callers:
    - kernel/locking/rwsem-xadd.c:rwsem_down_write_failed_killable
    - kernel/locking/rwsem-xadd.c:rwsem_down_write_failed
  

• In 4.15: Full Inline ⚠️

  Collision: Unique Static

  Inline: Full

  Transformation: False

  Instances:

  In kernel/locking/rwsem-xadd.c (ffffffff81993681)
  Location: kernel/locking/rwsem-xadd.c:419
  Inline: True
  Inline callers:
    - kernel/locking/rwsem-xadd.c:rwsem_down_write_failed_killable
    - kernel/locking/rwsem-xadd.c:rwsem_down_write_failed
  

• In 4.18: Full Inline ⚠️

  Collision: Unique Static

  Inline: Full

  Transformation: False

  Instances:

  In kernel/locking/rwsem-xadd.c (ffffffff819efc4a)
  Location: kernel/locking/rwsem-xadd.c:419
  Inline: True
  Inline callers:
    - kernel/locking/rwsem-xadd.c:rwsem_down_write_failed_killable
    - kernel/locking/rwsem-xadd.c:rwsem_down_write_failed
  

• In 5.0: Full Inline ⚠️

  Collision: Unique Static

  Inline: Full

  Transformation: False

  Instances:

  In kernel/locking/rwsem-xadd.c (ffffffff81a2b67a)
  Location: kernel/locking/rwsem-xadd.c:437
  Inline: True
  Inline callers:
    - kernel/locking/rwsem-xadd.c:rwsem_down_write_failed_killable
    - kernel/locking/rwsem-xadd.c:rwsem_down_write_failed
  

• In 5.3: ✅

  bool rwsem_optimistic_spin(struct rw_semaphore *sem, bool wlock);
  

  Collision: Unique Static

  Inline: No

  Transformation: False

  Instances:

  In kernel/locking/rwsem.c (ffffffff810f8020)
  Location: kernel/locking/rwsem.c:783
  Inline: False
  Direct callers:
    - kernel/locking/rwsem.c:rwsem_down_write_slowpath
    - kernel/locking/rwsem.c:rwsem_down_read_slowpath
  

  Symbols:

  ffffffff810f8020-ffffffff810f8212: rwsem_optimistic_spin (STB_LOCAL)
  

• In 5.4: ✅

  bool rwsem_optimistic_spin(struct rw_semaphore *sem, bool wlock);
  

  Collision: Unique Static

  Inline: No

  Transformation: False

  Instances:

  In kernel/locking/rwsem.c (ffffffff81103e50)
  Location: kernel/locking/rwsem.c:788
  Inline: False
  Direct callers:
    - kernel/locking/rwsem.c:rwsem_down_write_slowpath
    - kernel/locking/rwsem.c:rwsem_down_read_slowpath
  

  Symbols:

  ffffffff81103e50-ffffffff81104042: rwsem_optimistic_spin (STB_LOCAL)
  

• In 5.8: ✅

  bool rwsem_optimistic_spin(struct rw_semaphore *sem, bool wlock);
  

  Collision: Unique Static

  Inline: No

  Transformation: False

  Instances:

  In kernel/locking/rwsem.c (ffffffff8110e9c0)
  Location: kernel/locking/rwsem.c:785
  Inline: False
  Direct callers:
    - kernel/locking/rwsem.c:rwsem_down_write_slowpath
    - kernel/locking/rwsem.c:rwsem_down_read_slowpath
  

  Symbols:

  ffffffff8110e9c0-ffffffff8110eb91: rwsem_optimistic_spin (STB_LOCAL)
  

• In 5.11: ✅

  bool rwsem_optimistic_spin(struct rw_semaphore *sem);
  

  Collision: Unique Static

  Inline: No

  Transformation: False

  Instances:

  In kernel/locking/rwsem.c (ffffffff8110bb50)
  Location: kernel/locking/rwsem.c:736
  Inline: False
  Direct callers:
    - kernel/locking/rwsem.c:rwsem_down_write_slowpath
  

  Symbols:

  ffffffff8110bb50-ffffffff8110bcb2: rwsem_optimistic_spin (STB_LOCAL)
  

• In 5.13: ✅

  bool rwsem_optimistic_spin(struct rw_semaphore *sem);
  

  Collision: Unique Static

  Inline: No

  Transformation: False

  Instances:

  In kernel/locking/rwsem.c (ffffffff8110da30)
  Location: kernel/locking/rwsem.c:736
  Inline: False
  Direct callers:
    - kernel/locking/rwsem.c:rwsem_down_write_slowpath
  

  Symbols:

  ffffffff8110da30-ffffffff8110db92: rwsem_optimistic_spin (STB_LOCAL)
  

• In 5.15: ✅

  bool rwsem_optimistic_spin(struct rw_semaphore *sem);
  

  Collision: Unique Static

  Inline: No

  Transformation: False

  Instances:

  In kernel/locking/rwsem.c (ffffffff8112d2e0)
  Location: kernel/locking/rwsem.c:783
  Inline: False
  Direct callers:
    - kernel/locking/rwsem.c:rwsem_down_write_slowpath
  

  Symbols:

  ffffffff8112d2e0-ffffffff8112d442: rwsem_optimistic_spin (STB_LOCAL)
  

• In 5.19: ✅

  bool rwsem_optimistic_spin(struct rw_semaphore *sem);
  

  Collision: Unique Static

  Inline: No

  Transformation: False

  Instances:

  In kernel/locking/rwsem.c (ffffffff8114e680)
  Location: kernel/locking/rwsem.c:817
  Inline: False
  Direct callers:
    - kernel/locking/rwsem.c:rwsem_down_write_slowpath
  

  Symbols:

  ffffffff8114e680-ffffffff8114e814: rwsem_optimistic_spin (STB_LOCAL)
  

• In 6.2: ✅

  bool rwsem_optimistic_spin(struct rw_semaphore *sem);
  

  Collision: Unique Static

  Inline: No

  Transformation: False

  Instances:

  In kernel/locking/rwsem.c (ffffffff8117d6e0)
  Location: kernel/locking/rwsem.c:824
  Inline: False
  Direct callers:
    - kernel/locking/rwsem.c:rwsem_down_write_slowpath
  

  Symbols:

  ffffffff8117d6e0-ffffffff8117d874: rwsem_optimistic_spin (STB_LOCAL)
  

• In 6.5: ✅

  bool rwsem_optimistic_spin(struct rw_semaphore *sem);
  

  Collision: Unique Static

  Inline: No

  Transformation: False

  Instances:

  In kernel/locking/rwsem.c (ffffffff8118e390)
  Location: kernel/locking/rwsem.c:819
  Inline: False
  Direct callers:
    - kernel/locking/rwsem.c:rwsem_down_write_slowpath
  

  Symbols:

  ffffffff8118e390-ffffffff8118e513: rwsem_optimistic_spin (STB_LOCAL)
  

• In 6.8: ✅

  bool rwsem_optimistic_spin(struct rw_semaphore *sem);
  

  Collision: Unique Static

  Inline: No

  Transformation: False

  Instances:

  In kernel/locking/rwsem.c (ffffffff8119cd40)
  Location: kernel/locking/rwsem.c:819
  Inline: False
  Direct callers:
    - kernel/locking/rwsem.c:rwsem_down_write_slowpath
  

  Symbols:

  ffffffff8119cd40-ffffffff8119cec3: rwsem_optimistic_spin (STB_LOCAL)
  

Arch

• In arm64: ✅

  bool rwsem_optimistic_spin(struct rw_semaphore *sem, bool wlock);
  

  Collision: Unique Static

  Inline: No

  Transformation: False

  Instances:

  In kernel/locking/rwsem.c (ffff800010169048)
  Location: kernel/locking/rwsem.c:788
  Inline: False
  Direct callers:
    - kernel/locking/rwsem.c:rwsem_down_write_slowpath
    - kernel/locking/rwsem.c:rwsem_down_read_slowpath
    - kernel/locking/rwsem.c:rwsem_down_read_slowpath
  

  Symbols:

  ffff800010169048-ffff8000101692b0: rwsem_optimistic_spin (STB_LOCAL)
  

• In armhf: ✅

  bool rwsem_optimistic_spin(struct rw_semaphore *sem, bool wlock);
  

  Collision: Unique Static

  Inline: No

  Transformation: False

  Instances:

  In kernel/locking/rwsem.c (c03b58b0)
  Location: kernel/locking/rwsem.c:788
  Inline: False
  Direct callers:
    - kernel/locking/rwsem.c:rwsem_down_write_slowpath
    - kernel/locking/rwsem.c:rwsem_down_read_slowpath
  

  Symbols:

  c03b58b0-c03b5b7c: rwsem_optimistic_spin (STB_LOCAL)
  

• In ppc64el: ✅

  bool rwsem_optimistic_spin(struct rw_semaphore *sem, bool wlock);
  

  Collision: Unique Static

  Inline: No

  Transformation: False

  Instances:

  In kernel/locking/rwsem.c (c0000000001c12f0)
  Location: kernel/locking/rwsem.c:788
  Inline: False
  Direct callers:
    - kernel/locking/rwsem.c:rwsem_down_write_slowpath
    - kernel/locking/rwsem.c:rwsem_down_read_slowpath
  

  Symbols:

  c0000000001c12f0-c0000000001c161c: rwsem_optimistic_spin (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:970
  Inline: True
  

Flavor

• In aws: ✅

  bool rwsem_optimistic_spin(struct rw_semaphore *sem, bool wlock);
  

  Collision: Unique Static

  Inline: No

  Transformation: False

  Instances:

  In kernel/locking/rwsem.c (ffffffff810fd160)
  Location: kernel/locking/rwsem.c:788
  Inline: False
  Direct callers:
    - kernel/locking/rwsem.c:rwsem_down_write_slowpath
    - kernel/locking/rwsem.c:rwsem_down_read_slowpath
  

  Symbols:

  ffffffff810fd160-ffffffff810fd352: rwsem_optimistic_spin (STB_LOCAL)
  

• In azure: ✅

  bool rwsem_optimistic_spin(struct rw_semaphore *sem, bool wlock);
  

  Collision: Unique Static

  Inline: No

  Transformation: False

  Instances:

  In kernel/locking/rwsem.c (ffffffff810ed370)
  Location: kernel/locking/rwsem.c:788
  Inline: False
  Direct callers:
    - kernel/locking/rwsem.c:rwsem_down_write_slowpath
    - kernel/locking/rwsem.c:rwsem_down_read_slowpath
  

  Symbols:

  ffffffff810ed370-ffffffff810ed562: rwsem_optimistic_spin (STB_LOCAL)
  

• In gcp: ✅

  bool rwsem_optimistic_spin(struct rw_semaphore *sem, bool wlock);
  

  Collision: Unique Static

  Inline: No

  Transformation: False

  Instances:

  In kernel/locking/rwsem.c (ffffffff810fa320)
  Location: kernel/locking/rwsem.c:788
  Inline: False
  Direct callers:
    - kernel/locking/rwsem.c:rwsem_down_write_slowpath
    - kernel/locking/rwsem.c:rwsem_down_read_slowpath
  

  Symbols:

  ffffffff810fa320-ffffffff810fa512: rwsem_optimistic_spin (STB_LOCAL)
  

• In lowlatency: ✅

  bool rwsem_optimistic_spin(struct rw_semaphore *sem, bool wlock);
  

  Collision: Unique Static

  Inline: No

  Transformation: False

  Instances:

  In kernel/locking/rwsem.c (ffffffff811054a0)
  Location: kernel/locking/rwsem.c:788
  Inline: False
  Direct callers:
    - kernel/locking/rwsem.c:rwsem_down_write_slowpath
    - kernel/locking/rwsem.c:rwsem_down_read_slowpath
  

  Symbols:

  ffffffff811054a0-ffffffff811056b0: rwsem_optimistic_spin (STB_LOCAL)
  

Differences

Regular

• 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. bool wlock
• 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 ✅