DepSurf

Function: arch_atomic_read_acquire

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: Duplicate, Full Inline ⚠️

  Collision: Static Duplication

  Inline: Full

  Transformation: False

  Instances:

  In kernel/sched/rt.c (ffffffff810f9958)
  Location: include/linux/atomic-arch-fallback.h:82
  Inline: True
  Inline callers:
    - kernel/sched/rt.c:rto_push_irq_work_func
    - kernel/sched/rt.c:tell_cpu_to_push
  

  In kernel/locking/percpu-rwsem.c (ffffffff8110f2fd)
  Location: include/linux/atomic-arch-fallback.h:82
  Inline: True
  Inline callers:
    - kernel/locking/percpu-rwsem.c:percpu_rwsem_wait
    - kernel/locking/percpu-rwsem.c:percpu_rwsem_wake_function
  

• In 5.11: Duplicate, Full Inline ⚠️

  Collision: Static Duplication

  Inline: Full

  Transformation: False

  Instances:

  In kernel/sched/rt.c (ffffffff810f7d17)
  Location: include/linux/atomic-arch-fallback.h:152
  Inline: True
  Inline callers:
    - kernel/sched/rt.c:rto_push_irq_work_func
    - kernel/sched/rt.c:tell_cpu_to_push
  

  In kernel/locking/percpu-rwsem.c (ffffffff8110c4bd)
  Location: include/linux/atomic-arch-fallback.h:152
  Inline: True
  Inline callers:
    - kernel/locking/percpu-rwsem.c:percpu_rwsem_wait
    - kernel/locking/percpu-rwsem.c:percpu_rwsem_wake_function
  

• In 5.13: Duplicate, Full Inline ⚠️

  Collision: Static Duplication

  Inline: Full

  Transformation: False

  Instances:

  In kernel/sched/rt.c (ffffffff810f956c)
  Location: include/linux/atomic-arch-fallback.h:152
  Inline: True
  Inline callers:
    - kernel/sched/rt.c:pull_rt_task
    - kernel/sched/rt.c:rto_push_irq_work_func
  

  In kernel/locking/percpu-rwsem.c (ffffffff8110e2fa)
  Location: include/linux/atomic-arch-fallback.h:152
  Inline: True
  Inline callers:
    - kernel/locking/percpu-rwsem.c:percpu_rwsem_wait
    - kernel/locking/percpu-rwsem.c:percpu_rwsem_wake_function
  

• In 5.15: Duplicate, Full Inline ⚠️

  Collision: Static Duplication

  Inline: Full

  Transformation: False

  Instances:

  In kernel/sched/rt.c (ffffffff81112d2c)
  Location: include/linux/atomic/atomic-arch-fallback.h:152
  Inline: True
  Inline callers:
    - kernel/sched/rt.c:pull_rt_task
    - kernel/sched/rt.c:rto_push_irq_work_func
  

  In kernel/locking/percpu-rwsem.c (ffffffff8112da39)
  Location: include/linux/atomic/atomic-arch-fallback.h:152
  Inline: True
  Inline callers:
    - kernel/locking/percpu-rwsem.c:percpu_rwsem_wait
    - kernel/locking/percpu-rwsem.c:percpu_rwsem_wake_function
  

  In kernel/rcu/tree.c (ffffffff8115265f)
  Location: include/linux/atomic/atomic-arch-fallback.h:152
  Inline: True
  Inline callers:
    - kernel/rcu/tree.c:sync_rcu_exp_select_node_cpus
    - kernel/rcu/tree.c:sync_rcu_exp_select_node_cpus
    - kernel/rcu/tree.c:print_cpu_stall_info
    - kernel/rcu/tree.c:print_cpu_stall_info
    - kernel/rcu/tree.c:rcu_init_one
    - kernel/rcu/tree.c:rcu_implicit_dynticks_qs
    - kernel/rcu/tree.c:rcu_is_idle_cpu
  

  In kernel/futex.c (ffffffff8117f792)
  Location: include/linux/atomic/atomic-arch-fallback.h:152
  Inline: True
  Inline callers:
    - kernel/futex.c:futex_requeue
    - kernel/futex.c:futex_requeue
    - kernel/futex.c:futex_requeue
    - kernel/futex.c:futex_requeue
    - kernel/futex.c:futex_requeue
    - kernel/futex.c:futex_requeue
    - kernel/futex.c:futex_requeue
  

• In 5.19: Duplicate, Full Inline ⚠️

  Collision: Static Duplication

  Inline: Full

  Transformation: False

  Instances:

  In kernel/sched/build_policy.c (ffffffff8112fffc)
  Location: include/linux/atomic/atomic-arch-fallback.h:222
  Inline: True
  Inline callers:
    - kernel/sched/build_policy.c:pull_rt_task
    - kernel/sched/build_policy.c:rto_push_irq_work_func
  

  In kernel/locking/percpu-rwsem.c (ffffffff81f25ca2)
  Location: include/linux/atomic/atomic-arch-fallback.h:222
  Inline: True
  Inline callers:
    - kernel/locking/percpu-rwsem.c:__percpu_down_read
  

  In kernel/rcu/tree.c (ffffffff8117aa7f)
  Location: include/linux/atomic/atomic-arch-fallback.h:222
  Inline: True
  Inline callers:
    - kernel/rcu/tree.c:__sync_rcu_exp_select_node_cpus
    - kernel/rcu/tree.c:__sync_rcu_exp_select_node_cpus
    - kernel/rcu/tree.c:print_cpu_stall_info
    - kernel/rcu/tree.c:print_cpu_stall_info
    - kernel/rcu/tree.c:rcu_init_one
    - kernel/rcu/tree.c:rcu_implicit_dynticks_qs
    - kernel/rcu/tree.c:rcu_is_idle_cpu
  

  In kernel/futex/requeue.c (ffffffff811b643d)
  Location: include/linux/atomic/atomic-arch-fallback.h:222
  Inline: True
  Inline callers:
    - kernel/futex/requeue.c:futex_wait_requeue_pi
    - kernel/futex/requeue.c:futex_requeue
    - kernel/futex/requeue.c:futex_requeue
    - kernel/futex/requeue.c:futex_requeue
    - kernel/futex/requeue.c:futex_requeue
    - kernel/futex/requeue.c:futex_requeue
    - kernel/futex/requeue.c:futex_requeue
    - kernel/futex/requeue.c:futex_requeue
  

• In 6.2: Duplicate, Full Inline ⚠️

  Collision: Static Duplication

  Inline: Full

  Transformation: False

  Instances:

  In kernel/sched/build_policy.c (ffffffff8115a24c)
  Location: include/linux/atomic/atomic-arch-fallback.h:222
  Inline: True
  Inline callers:
    - kernel/sched/build_policy.c:pull_rt_task
    - kernel/sched/build_policy.c:rto_push_irq_work_func
  

  In kernel/locking/percpu-rwsem.c (ffffffff820d1702)
  Location: include/linux/atomic/atomic-arch-fallback.h:222
  Inline: True
  Inline callers:
    - kernel/locking/percpu-rwsem.c:__percpu_down_read
  

  In kernel/rcu/tree.c (ffffffff811b57c2)
  Location: include/linux/atomic/atomic-arch-fallback.h:222
  Inline: True
  Inline callers:
    - kernel/rcu/tree.c:__sync_rcu_exp_select_node_cpus
    - kernel/rcu/tree.c:__sync_rcu_exp_select_node_cpus
    - kernel/rcu/tree.c:print_cpu_stall_info
    - kernel/rcu/tree.c:print_cpu_stall_info
    - kernel/rcu/tree.c:rcu_init_one
    - kernel/rcu/tree.c:rcu_implicit_dynticks_qs
  

  In kernel/futex/requeue.c (ffffffff811f757d)
  Location: include/linux/atomic/atomic-arch-fallback.h:222
  Inline: True
  Inline callers:
    - kernel/futex/requeue.c:futex_wait_requeue_pi
    - kernel/futex/requeue.c:futex_requeue
    - kernel/futex/requeue.c:futex_requeue
    - kernel/futex/requeue.c:futex_requeue
    - kernel/futex/requeue.c:futex_requeue
    - kernel/futex/requeue.c:futex_requeue
    - kernel/futex/requeue.c:futex_requeue
    - kernel/futex/requeue.c:futex_requeue
  

  In fs/file.c (ffffffff814a6e88)
  Location: include/linux/atomic/atomic-arch-fallback.h:222
  Inline: True
  Inline callers:
    - fs/file.c:__fget_light
  

• In 6.5: Absent ⚠️
• In 6.8: Absent ⚠️

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