DepSurf

Function: raw_atomic_xchg

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: Absent ⚠️
• In 6.5: Duplicate, Full Inline ⚠️

  Collision: Static Duplication

  Inline: Full

  Transformation: False

  Instances:

  In kernel/cpu.c (ffffffff810fa375)
  Location: include/linux/atomic/atomic-arch-fallback.h:1901
  Inline: True
  Inline callers:
    - kernel/cpu.c:cpuhp_online_idle
    - kernel/cpu.c:cpuhp_ap_sync_alive
    - kernel/cpu.c:cpuhp_ap_report_dead
  

  In kernel/sched/build_utility.c (ffffffff8117ab03)
  Location: include/linux/atomic/atomic-arch-fallback.h:1901
  Inline: True
  Inline callers:
    - kernel/sched/build_utility.c:psi_group_change
    - kernel/sched/build_utility.c:psi_rtpoll_work
  

  In kernel/locking/percpu-rwsem.c (ffffffff82155bd8)
  Location: include/linux/atomic/atomic-arch-fallback.h:1901
  Inline: True
  Inline callers:
    - kernel/locking/percpu-rwsem.c:percpu_down_write
    - kernel/locking/percpu-rwsem.c:percpu_rwsem_wait
    - kernel/locking/percpu-rwsem.c:percpu_rwsem_wake_function
  

  In kernel/locking/osq_lock.c (ffffffff8118ec7d)
  Location: include/linux/atomic/atomic-arch-fallback.h:1901
  Inline: True
  Inline callers:
    - kernel/locking/osq_lock.c:osq_lock
  

  In kernel/rcu/tree.c (ffffffff811c9bf3)
  Location: include/linux/atomic/atomic-arch-fallback.h:1901
  Inline: True
  Inline callers:
    - kernel/rcu/tree.c:check_cpu_stall
    - kernel/rcu/tree.c:check_cpu_stall
    - kernel/rcu/tree.c:kvfree_call_rcu
  

  In kernel/audit.c (ffffffff8123e9d9)
  Location: include/linux/atomic/atomic-arch-fallback.h:1901
  Inline: True
  Inline callers:
    - kernel/audit.c:audit_receive_msg
    - kernel/audit.c:audit_receive_msg
  

  In kernel/debug/debug_core.c (ffffffff8125100d)
  Location: include/linux/atomic/atomic-arch-fallback.h:1901
  Inline: True
  Inline callers:
    - kernel/debug/debug_core.c:kgdb_cpu_enter
    - kernel/debug/debug_core.c:kgdb_cpu_enter
  

  In kernel/hung_task.c (ffffffff8125e31b)
  Location: include/linux/atomic/atomic-arch-fallback.h:1901
  Inline: True
  Inline callers:
    - kernel/hung_task.c:watchdog
  

  In kernel/trace/trace_mmiotrace.c (ffffffff8129ac0d)
  Location: include/linux/atomic/atomic-arch-fallback.h:1901
  Inline: True
  Inline callers:
    - kernel/trace/trace_mmiotrace.c:mmio_read
  

  In kernel/bpf/memalloc.c (ffffffff8134bc03)
  Location: include/linux/atomic/atomic-arch-fallback.h:1901
  Inline: True
  Inline callers:
    - kernel/bpf/memalloc.c:bpf_mem_refill
  

  In kernel/events/core.c (ffffffff81365494)
  Location: include/linux/atomic/atomic-arch-fallback.h:1901
  Inline: True
  Inline callers:
    - kernel/events/core.c:perf_poll
  

  In mm/swap_state.c (ffffffff8142cbe3)
  Location: include/linux/atomic/atomic-arch-fallback.h:1901
  Inline: True
  Inline callers:
    - mm/swap_state.c:swap_cluster_readahead
  

  In mm/memcontrol.c (ffffffff8148b387)
  Location: include/linux/atomic/atomic-arch-fallback.h:1901
  Inline: True
  Inline callers:
    - mm/memcontrol.c:refill_obj_stock
    - mm/memcontrol.c:mod_objcg_state
  

  In mm/zsmalloc.c (ffffffff8149eed5)
  Location: include/linux/atomic/atomic-arch-fallback.h:1901
  Inline: True
  

  In mm/page_reporting.c (ffffffff814a76b2)
  Location: include/linux/atomic/atomic-arch-fallback.h:1901
  Inline: True
  Inline callers:
    - mm/page_reporting.c:page_reporting_register
    - mm/page_reporting.c:__page_reporting_notify
  

  In fs/aio.c (ffffffff81528b0a)
  Location: include/linux/atomic/atomic-arch-fallback.h:1901
  Inline: True
  Inline callers:
    - fs/aio.c:kill_ioctx
  

  In io_uring/io_uring.c (ffffffff817c8e65)
  Location: include/linux/atomic/atomic-arch-fallback.h:1901
  Inline: True
  Inline callers:
    - io_uring/io_uring.c:io_eventfd_ops
  

  In drivers/pci/hotplug/pciehp_hpc.c (ffffffff819544f0)
  Location: include/linux/atomic/atomic-arch-fallback.h:1901
  Inline: True
  Inline callers:
    - drivers/pci/hotplug/pciehp_hpc.c:pciehp_ist
  

  In drivers/tty/tty_buffer.c (ffffffff81a9f4fe)
  Location: include/linux/atomic/atomic-arch-fallback.h:1901
  Inline: True
  Inline callers:
    - drivers/tty/tty_buffer.c:tty_buffer_free_all
  

  In drivers/iommu/dma-iommu.c (ffffffff81b23b7f)
  Location: include/linux/atomic/atomic-arch-fallback.h:1901
  Inline: True
  Inline callers:
    - drivers/iommu/dma-iommu.c:iommu_dma_free_iova
  

  In net/core/dev.c (ffffffff81e2e875)
  Location: include/linux/atomic/atomic-arch-fallback.h:1901
  Inline: True
  

  In net/packet/af_packet.c (ffffffff8202a955)
  Location: include/linux/atomic/atomic-arch-fallback.h:1901
  Inline: True
  Inline callers:
    - net/packet/af_packet.c:packet_getsockopt
  

• In 6.8: Duplicate, Full Inline ⚠️

  Collision: Static Duplication

  Inline: Full

  Transformation: False

  Instances:

  In kernel/cpu.c (ffffffff81103795)
  Location: include/linux/atomic/atomic-arch-fallback.h:1910
  Inline: True
  Inline callers:
    - kernel/cpu.c:cpuhp_online_idle
    - kernel/cpu.c:cpuhp_ap_sync_alive
    - kernel/cpu.c:cpuhp_ap_report_dead
  

  In kernel/sched/core.c (ffffffff811595d0)
  Location: include/linux/atomic/atomic-arch-fallback.h:1910
  Inline: True
  Inline callers:
    - kernel/sched/core.c:sched_cpu_dying
    - kernel/sched/core.c:sched_cpu_starting
  

  In kernel/sched/build_utility.c (ffffffff81188533)
  Location: include/linux/atomic/atomic-arch-fallback.h:1910
  Inline: True
  Inline callers:
    - kernel/sched/build_utility.c:psi_group_change
    - kernel/sched/build_utility.c:psi_rtpoll_work
  

  In kernel/locking/percpu-rwsem.c (ffffffff82238a18)
  Location: include/linux/atomic/atomic-arch-fallback.h:1910
  Inline: True
  Inline callers:
    - kernel/locking/percpu-rwsem.c:percpu_down_write
    - kernel/locking/percpu-rwsem.c:percpu_rwsem_wait
    - kernel/locking/percpu-rwsem.c:percpu_rwsem_wake_function
  

  In kernel/locking/osq_lock.c (ffffffff8119d62d)
  Location: include/linux/atomic/atomic-arch-fallback.h:1910
  Inline: True
  Inline callers:
    - kernel/locking/osq_lock.c:osq_lock
  

  In kernel/rcu/tree.c (ffffffff811d8f90)
  Location: include/linux/atomic/atomic-arch-fallback.h:1910
  Inline: True
  Inline callers:
    - kernel/rcu/tree.c:check_cpu_stall
    - kernel/rcu/tree.c:kvfree_call_rcu
  

  In kernel/audit.c (ffffffff812588e1)
  Location: include/linux/atomic/atomic-arch-fallback.h:1910
  Inline: True
  Inline callers:
    - kernel/audit.c:audit_receive_msg
    - kernel/audit.c:audit_receive_msg
  

  In kernel/debug/debug_core.c (ffffffff8126ae5d)
  Location: include/linux/atomic/atomic-arch-fallback.h:1910
  Inline: True
  Inline callers:
    - kernel/debug/debug_core.c:kgdb_cpu_enter
    - kernel/debug/debug_core.c:kgdb_cpu_enter
  

  In kernel/hung_task.c (ffffffff8127825b)
  Location: include/linux/atomic/atomic-arch-fallback.h:1910
  Inline: True
  Inline callers:
    - kernel/hung_task.c:watchdog
  

  In kernel/trace/trace_mmiotrace.c (ffffffff812b628d)
  Location: include/linux/atomic/atomic-arch-fallback.h:1910
  Inline: True
  Inline callers:
    - kernel/trace/trace_mmiotrace.c:mmio_read
  

  In kernel/bpf/memalloc.c (ffffffff81372a17)
  Location: include/linux/atomic/atomic-arch-fallback.h:1910
  Inline: True
  Inline callers:
    - kernel/bpf/memalloc.c:bpf_mem_refill
  

  In kernel/events/core.c (ffffffff8138e5b4)
  Location: include/linux/atomic/atomic-arch-fallback.h:1910
  Inline: True
  Inline callers:
    - kernel/events/core.c:perf_poll
  

  In mm/swap_state.c (ffffffff8146633c)
  Location: include/linux/atomic/atomic-arch-fallback.h:1910
  Inline: True
  Inline callers:
    - mm/swap_state.c:swap_cluster_readahead
  

  In mm/memcontrol.c (ffffffff814bac87)
  Location: include/linux/atomic/atomic-arch-fallback.h:1910
  Inline: True
  Inline callers:
    - mm/memcontrol.c:refill_obj_stock
    - mm/memcontrol.c:mod_objcg_state
  

  In mm/zsmalloc.c (ffffffff814ce635)
  Location: include/linux/atomic/atomic-arch-fallback.h:1910
  Inline: True
  

  In mm/page_reporting.c (ffffffff814d86e2)
  Location: include/linux/atomic/atomic-arch-fallback.h:1910
  Inline: True
  Inline callers:
    - mm/page_reporting.c:page_reporting_register
    - mm/page_reporting.c:__page_reporting_notify
  

  In fs/aio.c (ffffffff8155dc0a)
  Location: include/linux/atomic/atomic-arch-fallback.h:1910
  Inline: True
  Inline callers:
    - fs/aio.c:kill_ioctx
  

  In io_uring/io_uring.c (ffffffff8180da15)
  Location: include/linux/atomic/atomic-arch-fallback.h:1910
  Inline: True
  Inline callers:
    - io_uring/io_uring.c:io_eventfd_ops
  

  In drivers/pci/hotplug/pciehp_hpc.c (ffffffff8199d980)
  Location: include/linux/atomic/atomic-arch-fallback.h:1910
  Inline: True
  Inline callers:
    - drivers/pci/hotplug/pciehp_hpc.c:pciehp_ist
  

  In drivers/tty/tty_buffer.c (ffffffff81af1efe)
  Location: include/linux/atomic/atomic-arch-fallback.h:1910
  Inline: True
  Inline callers:
    - drivers/tty/tty_buffer.c:tty_buffer_free_all
  

  In drivers/iommu/dma-iommu.c (ffffffff81b795e6)
  Location: include/linux/atomic/atomic-arch-fallback.h:1910
  Inline: True
  Inline callers:
    - drivers/iommu/dma-iommu.c:queue_iova
  

  In net/core/dev.c (ffffffff81eece05)
  Location: include/linux/atomic/atomic-arch-fallback.h:1910
  Inline: True
  

  In net/packet/af_packet.c (ffffffff820fa445)
  Location: include/linux/atomic/atomic-arch-fallback.h:1910
  Inline: True
  Inline callers:
    - net/packet/af_packet.c:packet_getsockopt
  

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