DepSurf

Function: mutex_optimistic_spin

Status

Regular

• In 4.4: ✅

  bool mutex_optimistic_spin(struct mutex *lock, struct ww_acquire_ctx *ww_ctx, const bool use_ww_ctx);
  

  Collision: Unique Static

  Inline: No

  Transformation: False

  Instances:

  In kernel/locking/mutex.c (ffffffff810c9ad0)
  Location: kernel/locking/mutex.c:306
  Inline: False
  Direct callers:
    - kernel/locking/mutex.c:__ww_mutex_lock_interruptible_slowpath
    - kernel/locking/mutex.c:__mutex_lock_killable_slowpath
    - kernel/locking/mutex.c:__mutex_lock_interruptible_slowpath
    - kernel/locking/mutex.c:__ww_mutex_lock_slowpath
    - kernel/locking/mutex.c:__mutex_lock_slowpath
  

  Symbols:

  ffffffff810c9ad0-ffffffff810c9c79: mutex_optimistic_spin (STB_LOCAL)
  

• In 4.8: ✅

  bool mutex_optimistic_spin(struct mutex *lock, struct ww_acquire_ctx *ww_ctx, const bool use_ww_ctx);
  

  Collision: Unique Static

  Inline: No

  Transformation: False

  Instances:

  In kernel/locking/mutex.c (ffffffff810ce440)
  Location: kernel/locking/mutex.c:306
  Inline: False
  Direct callers:
    - kernel/locking/mutex.c:__ww_mutex_lock_interruptible_slowpath
    - kernel/locking/mutex.c:__ww_mutex_lock_slowpath
    - kernel/locking/mutex.c:__mutex_lock_interruptible_slowpath
    - kernel/locking/mutex.c:__mutex_lock_killable_slowpath
    - kernel/locking/mutex.c:__mutex_lock_slowpath
  

  Symbols:

  ffffffff810ce440-ffffffff810ce5f9: mutex_optimistic_spin (STB_LOCAL)
  

• In 4.10: ✅

  bool mutex_optimistic_spin(struct mutex *lock, struct ww_acquire_ctx *ww_ctx, const bool use_ww_ctx, const bool waiter);
  

  Collision: Unique Static

  Inline: No

  Transformation: False

  Instances:

  In kernel/locking/mutex.c (ffffffff810d50c0)
  Location: kernel/locking/mutex.c:434
  Inline: False
  Direct callers:
    - kernel/locking/mutex.c:__ww_mutex_lock_interruptible_slowpath
    - kernel/locking/mutex.c:__ww_mutex_lock_interruptible_slowpath
    - kernel/locking/mutex.c:__ww_mutex_lock_slowpath
    - kernel/locking/mutex.c:__ww_mutex_lock_slowpath
    - kernel/locking/mutex.c:__mutex_lock_interruptible_slowpath
    - kernel/locking/mutex.c:__mutex_lock_interruptible_slowpath
    - kernel/locking/mutex.c:__mutex_lock_killable_slowpath
    - kernel/locking/mutex.c:__mutex_lock_killable_slowpath
    - kernel/locking/mutex.c:__mutex_lock_slowpath
    - kernel/locking/mutex.c:__mutex_lock_slowpath
  

  Symbols:

  ffffffff810d50c0-ffffffff810d5235: mutex_optimistic_spin (STB_LOCAL)
  

• In 4.13: Full Inline ⚠️

  Collision: Unique Static

  Inline: Full

  Transformation: False

  Instances:

  In kernel/locking/mutex.c (ffffffff81907bd1)
  Location: kernel/locking/mutex.c:512
  Inline: True
  

• In 4.15: Full Inline ⚠️

  Collision: Unique Static

  Inline: Full

  Transformation: False

  Instances:

  In kernel/locking/mutex.c (ffffffff81991cc1)
  Location: kernel/locking/mutex.c:512
  Inline: True
  

• In 4.18: Full Inline ⚠️

  Collision: Unique Static

  Inline: Full

  Transformation: False

  Instances:

  In kernel/locking/mutex.c (ffffffff819ee342)
  Location: kernel/locking/mutex.c:513
  Inline: True
  

• In 5.0: Full Inline ⚠️

  Collision: Unique Static

  Inline: Full

  Transformation: False

  Instances:

  In kernel/locking/mutex.c (ffffffff81a295bf)
  Location: kernel/locking/mutex.c:611
  Inline: True
  

• In 5.3: Full Inline ⚠️

  Collision: Unique Static

  Inline: Full

  Transformation: False

  Instances:

  In kernel/locking/mutex.c (ffffffff81a99beb)
  Location: kernel/locking/mutex.c:612
  Inline: True
  

• In 5.4: Full Inline ⚠️

  Collision: Unique Static

  Inline: Full

  Transformation: False

  Instances:

  In kernel/locking/mutex.c (ffffffff81ad153b)
  Location: kernel/locking/mutex.c:638
  Inline: True
  

• In 5.8: Full Inline ⚠️

  Collision: Unique Static

  Inline: Full

  Transformation: False

  Instances:

  In kernel/locking/mutex.c (ffffffff81bc9735)
  Location: kernel/locking/mutex.c:638
  Inline: True
  

• In 5.11: Full Inline ⚠️

  Collision: Unique Static

  Inline: Full

  Transformation: False

  Instances:

  In kernel/locking/mutex.c (ffffffff81c42555)
  Location: kernel/locking/mutex.c:638
  Inline: True
  

• In 5.13: Full Inline ⚠️

  Collision: Unique Static

  Inline: Full

  Transformation: False

  Instances:

  In kernel/locking/mutex.c (ffffffff81c344a7)
  Location: kernel/locking/mutex.c:638
  Inline: True
  

• In 5.15: Full Inline ⚠️

  Collision: Unique Static

  Inline: Full

  Transformation: False

  Instances:

  In kernel/locking/mutex.c (ffffffff81d52dde)
  Location: kernel/locking/mutex.c:434
  Inline: True
  

• In 5.19: Full Inline ⚠️

  Collision: Unique Static

  Inline: Full

  Transformation: False

  Instances:

  In kernel/locking/mutex.c (ffffffff81f2389c)
  Location: kernel/locking/mutex.c:441
  Inline: True
  

• In 6.2: Full Inline ⚠️

  Collision: Unique Static

  Inline: Full

  Transformation: False

  Instances:

  In kernel/locking/mutex.c (ffffffff820cedc4)
  Location: kernel/locking/mutex.c:441
  Inline: True
  

• In 6.5: Full Inline ⚠️

  Collision: Unique Static

  Inline: Full

  Transformation: False

  Instances:

  In kernel/locking/mutex.c (ffffffff821530e4)
  Location: kernel/locking/mutex.c:441
  Inline: True
  

• In 6.8: Full Inline ⚠️

  Collision: Unique Static

  Inline: Full

  Transformation: False

  Instances:

  In kernel/locking/mutex.c (ffffffff82235f24)
  Location: kernel/locking/mutex.c:441
  Inline: True
  

Arch

• In arm64: Full Inline ⚠️

  Collision: Unique Static

  Inline: Full

  Transformation: False

  Instances:

  In kernel/locking/mutex.c (ffff800010da3058)
  Location: kernel/locking/mutex.c:638
  Inline: True
  

• In armhf: Full Inline ⚠️

  Collision: Unique Static

  Inline: Full

  Transformation: False

  Instances:

  In kernel/locking/mutex.c (c0e9b814)
  Location: kernel/locking/mutex.c:638
  Inline: True
  

• In ppc64el: Full Inline ⚠️

  Collision: Unique Static

  Inline: Full

  Transformation: False

  Instances:

  In kernel/locking/mutex.c (c000000000ee54b4)
  Location: kernel/locking/mutex.c:638
  Inline: True
  

• In riscv64: Full Inline ⚠️

  Collision: Unique Static

  Inline: Full

  Transformation: False

  Instances:

  In kernel/locking/mutex.c (0)
  Location: kernel/locking/mutex.c:714
  Inline: True
  

Flavor

• In aws: Full Inline ⚠️

  Collision: Unique Static

  Inline: Full

  Transformation: False

  Instances:

  In kernel/locking/mutex.c (ffffffff81a703ab)
  Location: kernel/locking/mutex.c:638
  Inline: True
  

• In azure: Full Inline ⚠️

  Collision: Unique Static

  Inline: Full

  Transformation: False

  Instances:

  In kernel/locking/mutex.c (ffffffff81a2c79b)
  Location: kernel/locking/mutex.c:638
  Inline: True
  

• In gcp: Full Inline ⚠️

  Collision: Unique Static

  Inline: Full

  Transformation: False

  Instances:

  In kernel/locking/mutex.c (ffffffff81adc7bb)
  Location: kernel/locking/mutex.c:638
  Inline: True
  

• In lowlatency: Full Inline ⚠️

  Collision: Unique Static

  Inline: Full

  Transformation: False

  Instances:

  In kernel/locking/mutex.c (ffffffff81ae8c7b)
  Location: kernel/locking/mutex.c:638
  Inline: True
  

Differences

Regular

• No changes between 4.4 and 4.8 ✅
• Changed between 4.8 and 4.10 ⚠️

  • Param added. const bool waiter