DepSurf

Function: __ptr_ring_empty

Status

Regular

• In 4.4: Absent ⚠️
• In 4.8: Full Inline ⚠️

  Collision: Unique Static

  Inline: Full

  Transformation: False

  Instances:

  In drivers/net/tun.c (ffffffff8164cbbd)
  Location: include/linux/ptr_ring.h:176
  Inline: True
  Inline callers:
    - drivers/net/tun.c:tun_chr_poll
  

• In 4.10: Full Inline ⚠️

  Collision: Unique Static

  Inline: Full

  Transformation: False

  Instances:

  In drivers/net/tun.c (ffffffff8167e8ed)
  Location: include/linux/ptr_ring.h:181
  Inline: True
  Inline callers:
    - drivers/net/tun.c:tun_chr_poll
  

• In 4.13: Full Inline ⚠️

  Collision: Unique Static

  Inline: Full

  Transformation: False

  Instances:

  In drivers/net/tun.c (ffffffff81693ae2)
  Location: include/linux/ptr_ring.h:183
  Inline: True
  Inline callers:
    - drivers/net/tun.c:tun_chr_poll
  

• In 4.15: Duplicate, Full Inline ⚠️

  Collision: Static Duplication

  Inline: Full

  Transformation: False

  Instances:

  In kernel/bpf/cpumap.c (ffffffff811afd9a)
  Location: include/linux/ptr_ring.h:195
  Inline: True
  Inline callers:
    - kernel/bpf/cpumap.c:cpu_map_kthread_run
    - kernel/bpf/cpumap.c:cpu_map_kthread_run
    - kernel/bpf/cpumap.c:cpu_map_kthread_run
  

  In drivers/net/tun.c (ffffffff816fd915)
  Location: include/linux/ptr_ring.h:195
  Inline: True
  Inline callers:
    - drivers/net/tun.c:tun_chr_poll
  

• In 4.18: Duplicate, Full Inline ⚠️

  Collision: Static Duplication

  Inline: Full

  Transformation: False

  Instances:

  In kernel/bpf/cpumap.c (ffffffff811cac67)
  Location: include/linux/ptr_ring.h:198
  Inline: True
  Inline callers:
    - kernel/bpf/cpumap.c:cpu_map_kthread_run
    - kernel/bpf/cpumap.c:cpu_map_kthread_run
    - kernel/bpf/cpumap.c:cpu_map_kthread_run
  

  In drivers/net/tun.c (ffffffff8173c9a5)
  Location: include/linux/ptr_ring.h:198
  Inline: True
  Inline callers:
    - drivers/net/tun.c:tun_chr_poll
  

  In net/core/page_pool.c (ffffffff818bdc15)
  Location: include/linux/ptr_ring.h:198
  Inline: True
  Inline callers:
    - net/core/page_pool.c:page_pool_alloc_pages
  

  In net/sched/sch_generic.c (ffffffff818cc09e)
  Location: include/linux/ptr_ring.h:198
  Inline: True
  Inline callers:
    - net/sched/sch_generic.c:pfifo_fast_dequeue
  

• In 5.0: Duplicate, Full Inline ⚠️

  Collision: Static Duplication

  Inline: Full

  Transformation: False

  Instances:

  In kernel/bpf/cpumap.c (ffffffff811de55e)
  Location: include/linux/ptr_ring.h:198
  Inline: True
  Inline callers:
    - kernel/bpf/cpumap.c:cpu_map_kthread_run
    - kernel/bpf/cpumap.c:cpu_map_kthread_run
    - kernel/bpf/cpumap.c:cpu_map_kthread_run
  

  In drivers/net/tun.c (ffffffff81760eb5)
  Location: include/linux/ptr_ring.h:198
  Inline: True
  Inline callers:
    - drivers/net/tun.c:tun_chr_poll
  

  In net/core/page_pool.c (ffffffff818e4ff5)
  Location: include/linux/ptr_ring.h:198
  Inline: True
  Inline callers:
    - net/core/page_pool.c:page_pool_alloc_pages
  

  In net/sched/sch_generic.c (ffffffff818f6ade)
  Location: include/linux/ptr_ring.h:198
  Inline: True
  Inline callers:
    - net/sched/sch_generic.c:pfifo_fast_dequeue
  

• In 5.3: Duplicate, Full Inline ⚠️

  Collision: Static Duplication

  Inline: Full

  Transformation: False

  Instances:

  In kernel/bpf/cpumap.c (ffffffff811f3e4b)
  Location: include/linux/ptr_ring.h:193
  Inline: True
  Inline callers:
    - kernel/bpf/cpumap.c:cpu_map_kthread_run
    - kernel/bpf/cpumap.c:cpu_map_kthread_run
    - kernel/bpf/cpumap.c:cpu_map_kthread_run
  

  In drivers/net/tun.c (ffffffff8179eb4a)
  Location: include/linux/ptr_ring.h:193
  Inline: True
  Inline callers:
    - drivers/net/tun.c:tun_chr_poll
  

  In net/core/page_pool.c (ffffffff81934905)
  Location: include/linux/ptr_ring.h:193
  Inline: True
  Inline callers:
    - net/core/page_pool.c:page_pool_alloc_pages
  

  In net/sched/sch_generic.c (ffffffff8195626e)
  Location: include/linux/ptr_ring.h:193
  Inline: True
  Inline callers:
    - net/sched/sch_generic.c:pfifo_fast_dequeue
  

• In 5.4: Duplicate, Full Inline ⚠️

  Collision: Static Duplication

  Inline: Full

  Transformation: False

  Instances:

  In kernel/bpf/cpumap.c (ffffffff81200beb)
  Location: include/linux/ptr_ring.h:193
  Inline: True
  Inline callers:
    - kernel/bpf/cpumap.c:cpu_map_kthread_run
    - kernel/bpf/cpumap.c:cpu_map_kthread_run
    - kernel/bpf/cpumap.c:cpu_map_kthread_run
  

  In drivers/net/tun.c (ffffffff817c25da)
  Location: include/linux/ptr_ring.h:193
  Inline: True
  Inline callers:
    - drivers/net/tun.c:tun_chr_poll
  

  In net/core/page_pool.c (ffffffff8196729a)
  Location: include/linux/ptr_ring.h:193
  Inline: True
  Inline callers:
    - net/core/page_pool.c:page_pool_alloc_pages
  

  In net/sched/sch_generic.c (ffffffff8198c70e)
  Location: include/linux/ptr_ring.h:193
  Inline: True
  Inline callers:
    - net/sched/sch_generic.c:pfifo_fast_dequeue
  

• In 5.8: Duplicate, Full Inline ⚠️

  Collision: Static Duplication

  Inline: Full

  Transformation: False

  Instances:

  In kernel/bpf/cpumap.c (ffffffff812285ef)
  Location: include/linux/ptr_ring.h:194
  Inline: True
  Inline callers:
    - kernel/bpf/cpumap.c:cpu_map_kthread_run
    - kernel/bpf/cpumap.c:cpu_map_kthread_run
    - kernel/bpf/cpumap.c:cpu_map_kthread_run
  

  In drivers/net/tun.c (ffffffff8188d0b5)
  Location: include/linux/ptr_ring.h:194
  Inline: True
  Inline callers:
    - drivers/net/tun.c:tun_chr_poll
  

  In net/core/page_pool.c (ffffffff81a3ae15)
  Location: include/linux/ptr_ring.h:194
  Inline: True
  Inline callers:
    - net/core/page_pool.c:page_pool_refill_alloc_cache
  

  In net/sched/sch_generic.c (ffffffff81a64781)
  Location: include/linux/ptr_ring.h:194
  Inline: True
  Inline callers:
    - net/sched/sch_generic.c:pfifo_fast_dequeue
  

• In 5.11: Duplicate, Full Inline ⚠️

  Collision: Static Duplication

  Inline: Full

  Transformation: False

  Instances:

  In kernel/bpf/cpumap.c (ffffffff8122f148)
  Location: include/linux/ptr_ring.h:194
  Inline: True
  Inline callers:
    - kernel/bpf/cpumap.c:cpu_map_kthread_run
    - kernel/bpf/cpumap.c:cpu_map_kthread_run
    - kernel/bpf/cpumap.c:cpu_map_kthread_run
  

  In drivers/net/tun.c (ffffffff8189b336)
  Location: include/linux/ptr_ring.h:194
  Inline: True
  Inline callers:
    - drivers/net/tun.c:tun_chr_poll
  

  In net/core/page_pool.c (ffffffff81a3d535)
  Location: include/linux/ptr_ring.h:194
  Inline: True
  Inline callers:
    - net/core/page_pool.c:page_pool_refill_alloc_cache
  

  In net/sched/sch_generic.c (ffffffff81a6c8c1)
  Location: include/linux/ptr_ring.h:194
  Inline: True
  Inline callers:
    - net/sched/sch_generic.c:pfifo_fast_dequeue
  

• In 5.13: Duplicate, Full Inline ⚠️

  Collision: Static Duplication

  Inline: Full

  Transformation: False

  Instances:

  In kernel/bpf/cpumap.c (ffffffff8123405d)
  Location: include/linux/ptr_ring.h:194
  Inline: True
  Inline callers:
    - kernel/bpf/cpumap.c:cpu_map_kthread_run
    - kernel/bpf/cpumap.c:cpu_map_kthread_run
    - kernel/bpf/cpumap.c:cpu_map_kthread_run
  

  In drivers/net/tun.c (ffffffff8187dfc6)
  Location: include/linux/ptr_ring.h:194
  Inline: True
  Inline callers:
    - drivers/net/tun.c:tun_chr_poll
  

  In net/core/page_pool.c (ffffffff81a24355)
  Location: include/linux/ptr_ring.h:194
  Inline: True
  Inline callers:
    - net/core/page_pool.c:page_pool_refill_alloc_cache
  

  In net/sched/sch_generic.c (ffffffff81a550ca)
  Location: include/linux/ptr_ring.h:194
  Inline: True
  Inline callers:
    - net/sched/sch_generic.c:pfifo_fast_dequeue
  

• In 5.15: Duplicate, Full Inline ⚠️

  Collision: Static Duplication

  Inline: Full

  Transformation: False

  Instances:

  In kernel/bpf/cpumap.c (ffffffff8126dd84)
  Location: include/linux/ptr_ring.h:194
  Inline: True
  Inline callers:
    - kernel/bpf/cpumap.c:cpu_map_kthread_run
    - kernel/bpf/cpumap.c:cpu_map_kthread_run
    - kernel/bpf/cpumap.c:cpu_map_kthread_run
  

  In drivers/net/tun.c (ffffffff8190f7ab)
  Location: include/linux/ptr_ring.h:194
  Inline: True
  Inline callers:
    - drivers/net/tun.c:tun_chr_poll
  

  In net/core/page_pool.c (ffffffff81ad8945)
  Location: include/linux/ptr_ring.h:194
  Inline: True
  Inline callers:
    - net/core/page_pool.c:page_pool_refill_alloc_cache
  

  In net/sched/sch_generic.c (ffffffff81b0e2fa)
  Location: include/linux/ptr_ring.h:194
  Inline: True
  Inline callers:
    - net/sched/sch_generic.c:pfifo_fast_dequeue
  

• In 5.19: Duplicate, Full Inline ⚠️

  Collision: Static Duplication

  Inline: Full

  Transformation: False

  Instances:

  In kernel/bpf/cpumap.c (ffffffff812bcbf1)
  Location: include/linux/ptr_ring.h:194
  Inline: True
  Inline callers:
    - kernel/bpf/cpumap.c:cpu_map_kthread_run
    - kernel/bpf/cpumap.c:cpu_map_kthread_run
    - kernel/bpf/cpumap.c:cpu_map_kthread_run
  

  In drivers/net/tun.c (ffffffff81a62d6e)
  Location: include/linux/ptr_ring.h:194
  Inline: True
  Inline callers:
    - drivers/net/tun.c:tun_chr_poll
  

  In net/core/page_pool.c (ffffffff81c59915)
  Location: include/linux/ptr_ring.h:194
  Inline: True
  Inline callers:
    - net/core/page_pool.c:page_pool_refill_alloc_cache
  

  In net/sched/sch_generic.c (ffffffff81c9478a)
  Location: include/linux/ptr_ring.h:194
  Inline: True
  Inline callers:
    - net/sched/sch_generic.c:pfifo_fast_dequeue
  

• In 6.2: Duplicate, Full Inline ⚠️

  Collision: Static Duplication

  Inline: Full

  Transformation: False

  Instances:

  In kernel/bpf/cpumap.c (ffffffff81320051)
  Location: include/linux/ptr_ring.h:194
  Inline: True
  Inline callers:
    - kernel/bpf/cpumap.c:cpu_map_kthread_run
    - kernel/bpf/cpumap.c:cpu_map_kthread_run
    - kernel/bpf/cpumap.c:cpu_map_kthread_run
  

  In drivers/net/tun.c (ffffffff81bee01e)
  Location: include/linux/ptr_ring.h:194
  Inline: True
  Inline callers:
    - drivers/net/tun.c:tun_chr_poll
  

  In net/core/page_pool.c (ffffffff81e0f905)
  Location: include/linux/ptr_ring.h:194
  Inline: True
  Inline callers:
    - net/core/page_pool.c:page_pool_refill_alloc_cache
  

  In net/sched/sch_generic.c (ffffffff81e5024a)
  Location: include/linux/ptr_ring.h:194
  Inline: True
  Inline callers:
    - net/sched/sch_generic.c:pfifo_fast_dequeue
  

• In 6.5: Duplicate, Full Inline ⚠️

  Collision: Static Duplication

  Inline: Full

  Transformation: False

  Instances:

  In kernel/bpf/cpumap.c (ffffffff8134fefa)
  Location: include/linux/ptr_ring.h:194
  Inline: True
  Inline callers:
    - kernel/bpf/cpumap.c:cpu_map_kthread_run
    - kernel/bpf/cpumap.c:cpu_map_kthread_run
    - kernel/bpf/cpumap.c:cpu_map_kthread_run
  

  In drivers/net/tun.c (ffffffff81c4654e)
  Location: include/linux/ptr_ring.h:194
  Inline: True
  Inline callers:
    - drivers/net/tun.c:tun_chr_poll
  

  In net/core/page_pool.c (ffffffff81e83145)
  Location: include/linux/ptr_ring.h:194
  Inline: True
  Inline callers:
    - net/core/page_pool.c:page_pool_refill_alloc_cache
  

  In net/sched/sch_generic.c (ffffffff81eab9f9)
  Location: include/linux/ptr_ring.h:194
  Inline: True
  Inline callers:
    - net/sched/sch_generic.c:pfifo_fast_dequeue
  

• In 6.8: Duplicate, Full Inline ⚠️

  Collision: Static Duplication

  Inline: Full

  Transformation: False

  Instances:

  In kernel/bpf/cpumap.c (ffffffff81377333)
  Location: include/linux/ptr_ring.h:194
  Inline: True
  Inline callers:
    - kernel/bpf/cpumap.c:cpu_map_kthread_run
    - kernel/bpf/cpumap.c:cpu_map_kthread_run
    - kernel/bpf/cpumap.c:cpu_map_kthread_run
  

  In drivers/net/tun.c (ffffffff81cfbe5e)
  Location: include/linux/ptr_ring.h:194
  Inline: True
  Inline callers:
    - drivers/net/tun.c:tun_chr_poll
  

  In net/core/page_pool.c (ffffffff81f437e5)
  Location: include/linux/ptr_ring.h:194
  Inline: True
  Inline callers:
    - net/core/page_pool.c:page_pool_refill_alloc_cache
  

  In net/sched/sch_generic.c (ffffffff81f6e499)
  Location: include/linux/ptr_ring.h:194
  Inline: True
  Inline callers:
    - net/sched/sch_generic.c:pfifo_fast_dequeue
  

Arch

• In arm64: Duplicate, Full Inline ⚠️

  Collision: Static Duplication

  Inline: Full

  Transformation: False

  Instances:

  In kernel/bpf/cpumap.c (ffff800010287ff8)
  Location: include/linux/ptr_ring.h:193
  Inline: True
  Inline callers:
    - kernel/bpf/cpumap.c:cpu_map_kthread_run
    - kernel/bpf/cpumap.c:cpu_map_kthread_run
    - kernel/bpf/cpumap.c:cpu_map_kthread_run
  

  In drivers/net/tun.c (ffff8000109dce78)
  Location: include/linux/ptr_ring.h:193
  Inline: True
  Inline callers:
    - drivers/net/tun.c:tun_chr_poll
  

  In net/core/page_pool.c (ffff800010c0d120)
  Location: include/linux/ptr_ring.h:193
  Inline: True
  Inline callers:
    - net/core/page_pool.c:page_pool_alloc_pages
  

  In net/sched/sch_generic.c (ffff800010c38340)
  Location: include/linux/ptr_ring.h:193
  Inline: True
  Inline callers:
    - net/sched/sch_generic.c:pfifo_fast_dequeue
  

• In armhf: Duplicate, Full Inline ⚠️

  Collision: Static Duplication

  Inline: Full

  Transformation: False

  Instances:

  In kernel/bpf/cpumap.c (c04b8278)
  Location: include/linux/ptr_ring.h:193
  Inline: True
  Inline callers:
    - kernel/bpf/cpumap.c:cpu_map_kthread_run
    - kernel/bpf/cpumap.c:cpu_map_kthread_run
    - kernel/bpf/cpumap.c:cpu_map_kthread_run
  

  In drivers/net/tun.c (c0ac24ec)
  Location: include/linux/ptr_ring.h:193
  Inline: True
  Inline callers:
    - drivers/net/tun.c:tun_chr_poll
  

  In net/core/page_pool.c (c0d24fa8)
  Location: include/linux/ptr_ring.h:193
  Inline: True
  Inline callers:
    - net/core/page_pool.c:page_pool_alloc_pages
  

  In net/sched/sch_generic.c (c0d49efc)
  Location: include/linux/ptr_ring.h:193
  Inline: True
  Inline callers:
    - net/sched/sch_generic.c:pfifo_fast_dequeue
  

• In ppc64el: Duplicate, Full Inline ⚠️

  Collision: Static Duplication

  Inline: Full

  Transformation: False

  Instances:

  In kernel/bpf/cpumap.c (c000000000333608)
  Location: include/linux/ptr_ring.h:193
  Inline: True
  Inline callers:
    - kernel/bpf/cpumap.c:cpu_map_kthread_run
    - kernel/bpf/cpumap.c:cpu_map_kthread_run
    - kernel/bpf/cpumap.c:cpu_map_kthread_run
  

  In drivers/net/tun.c (c000000000aa2878)
  Location: include/linux/ptr_ring.h:193
  Inline: True
  Inline callers:
    - drivers/net/tun.c:tun_chr_poll
  

  In net/core/page_pool.c (c000000000cf8088)
  Location: include/linux/ptr_ring.h:193
  Inline: True
  Inline callers:
    - net/core/page_pool.c:page_pool_alloc_pages
  

  In net/sched/sch_generic.c (c000000000d31238)
  Location: include/linux/ptr_ring.h:193
  Inline: True
  Inline callers:
    - net/sched/sch_generic.c:pfifo_fast_dequeue
  

• In riscv64: Duplicate, Full Inline ⚠️

  Collision: Static Duplication

  Inline: Full

  Transformation: False

  Instances:

  In kernel/bpf/cpumap.c (ffffffe0001bcce8)
  Location: include/linux/ptr_ring.h:193
  Inline: True
  Inline callers:
    - kernel/bpf/cpumap.c:cpu_map_kthread_run
    - kernel/bpf/cpumap.c:cpu_map_kthread_run
    - kernel/bpf/cpumap.c:cpu_map_kthread_run
  

  In drivers/net/tun.c (ffffffe000627b6a)
  Location: include/linux/ptr_ring.h:193
  Inline: True
  Inline callers:
    - drivers/net/tun.c:tun_chr_poll
  

  In net/core/page_pool.c (ffffffe00078a008)
  Location: include/linux/ptr_ring.h:193
  Inline: True
  Inline callers:
    - net/core/page_pool.c:page_pool_alloc_pages
  

  In net/sched/sch_generic.c (ffffffe0007a8f34)
  Location: include/linux/ptr_ring.h:193
  Inline: True
  Inline callers:
    - net/sched/sch_generic.c:pfifo_fast_dequeue
  

Flavor

• In aws: Duplicate, Full Inline ⚠️

  Collision: Static Duplication

  Inline: Full

  Transformation: False

  Instances:

  In kernel/bpf/cpumap.c (ffffffff811f920b)
  Location: include/linux/ptr_ring.h:193
  Inline: True
  Inline callers:
    - kernel/bpf/cpumap.c:cpu_map_kthread_run
    - kernel/bpf/cpumap.c:cpu_map_kthread_run
    - kernel/bpf/cpumap.c:cpu_map_kthread_run
  

  In drivers/net/tun.c (ffffffff817870aa)
  Location: include/linux/ptr_ring.h:193
  Inline: True
  Inline callers:
    - drivers/net/tun.c:tun_chr_poll
  

  In net/core/page_pool.c (ffffffff8190726a)
  Location: include/linux/ptr_ring.h:193
  Inline: True
  Inline callers:
    - net/core/page_pool.c:page_pool_alloc_pages
  

  In net/sched/sch_generic.c (ffffffff8192c57e)
  Location: include/linux/ptr_ring.h:193
  Inline: True
  Inline callers:
    - net/sched/sch_generic.c:pfifo_fast_dequeue
  

• In azure: Duplicate, Full Inline ⚠️

  Collision: Static Duplication

  Inline: Full

  Transformation: False

  Instances:

  In kernel/bpf/cpumap.c (ffffffff811ebf5b)
  Location: include/linux/ptr_ring.h:193
  Inline: True
  Inline callers:
    - kernel/bpf/cpumap.c:cpu_map_kthread_run
    - kernel/bpf/cpumap.c:cpu_map_kthread_run
    - kernel/bpf/cpumap.c:cpu_map_kthread_run
  

  In drivers/net/tun.c (ffffffff817669fa)
  Location: include/linux/ptr_ring.h:193
  Inline: True
  Inline callers:
    - drivers/net/tun.c:tun_chr_poll
  

  In net/core/page_pool.c (ffffffff818c107a)
  Location: include/linux/ptr_ring.h:193
  Inline: True
  Inline callers:
    - net/core/page_pool.c:page_pool_alloc_pages
  

  In net/sched/sch_generic.c (ffffffff818e607e)
  Location: include/linux/ptr_ring.h:193
  Inline: True
  Inline callers:
    - net/sched/sch_generic.c:pfifo_fast_dequeue
  

• In gcp: Duplicate, Full Inline ⚠️

  Collision: Static Duplication

  Inline: Full

  Transformation: False

  Instances:

  In kernel/bpf/cpumap.c (ffffffff811f6fdb)
  Location: include/linux/ptr_ring.h:193
  Inline: True
  Inline callers:
    - kernel/bpf/cpumap.c:cpu_map_kthread_run
    - kernel/bpf/cpumap.c:cpu_map_kthread_run
    - kernel/bpf/cpumap.c:cpu_map_kthread_run
  

  In drivers/net/tun.c (ffffffff817b745a)
  Location: include/linux/ptr_ring.h:193
  Inline: True
  Inline callers:
    - drivers/net/tun.c:tun_chr_poll
  

  In net/core/page_pool.c (ffffffff8195829a)
  Location: include/linux/ptr_ring.h:193
  Inline: True
  Inline callers:
    - net/core/page_pool.c:page_pool_alloc_pages
  

  In net/sched/sch_generic.c (ffffffff8197d70e)
  Location: include/linux/ptr_ring.h:193
  Inline: True
  Inline callers:
    - net/sched/sch_generic.c:pfifo_fast_dequeue
  

• In lowlatency: Duplicate, Full Inline ⚠️

  Collision: Static Duplication

  Inline: Full

  Transformation: False

  Instances:

  In kernel/bpf/cpumap.c (ffffffff812052bf)
  Location: include/linux/ptr_ring.h:193
  Inline: True
  Inline callers:
    - kernel/bpf/cpumap.c:cpu_map_kthread_run
    - kernel/bpf/cpumap.c:cpu_map_kthread_run
    - kernel/bpf/cpumap.c:cpu_map_kthread_run
  

  In drivers/net/tun.c (ffffffff817cf4fe)
  Location: include/linux/ptr_ring.h:193
  Inline: True
  Inline callers:
    - drivers/net/tun.c:tun_chr_poll
  

  In net/core/page_pool.c (ffffffff8197a3c1)
  Location: include/linux/ptr_ring.h:193
  Inline: True
  Inline callers:
    - net/core/page_pool.c:page_pool_alloc_pages
  

  In net/sched/sch_generic.c (ffffffff8199fc7e)
  Location: include/linux/ptr_ring.h:193
  Inline: True
  Inline callers:
    - net/sched/sch_generic.c:pfifo_fast_dequeue
  

Differences