DepSurf

Function: sk_busy_loop

Status

Regular

• In 4.4: Duplicate, Full Inline ⚠️

  Collision: Static Duplication

  Inline: Full

  Transformation: False

  Instances:

  In net/socket.c (ffffffff816fdfc8)
  Location: include/net/busy_poll.h:78
  Inline: True
  Inline callers:
    - net/socket.c:sock_poll
  

  In net/core/datagram.c (ffffffff8170cc48)
  Location: include/net/busy_poll.h:78
  Inline: True
  Inline callers:
    - net/core/datagram.c:__skb_recv_datagram
  

  In net/ipv4/tcp.c (ffffffff81767606)
  Location: include/net/busy_poll.h:78
  Inline: True
  Inline callers:
    - net/ipv4/tcp.c:tcp_recvmsg
  

• In 4.8: ✅

  bool sk_busy_loop(struct sock *sk, int nonblock);
  

  Collision: Unique Global

  Inline: No

  Transformation: False

  Instances:

  In net/core/dev.c (ffffffff81783350)
  Location: net/core/dev.c:4967
  Inline: False
  Direct callers:
    - net/socket.c:sock_poll
    - net/core/datagram.c:__skb_try_recv_datagram
    - net/ipv4/tcp.c:tcp_recvmsg
  

  Symbols:

  ffffffff81783350-ffffffff817836a4: sk_busy_loop (STB_GLOBAL)
  

• In 4.10: ✅

  bool sk_busy_loop(struct sock *sk, int nonblock);
  

  Collision: Unique Global

  Inline: No

  Transformation: False

  Instances:

  In net/core/dev.c (ffffffff817aec20)
  Location: net/core/dev.c:5081
  Inline: False
  Direct callers:
    - net/socket.c:sock_poll
    - net/core/datagram.c:__skb_try_recv_datagram
    - net/ipv4/tcp.c:tcp_recvmsg
  

  Symbols:

  ffffffff817aec20-ffffffff817aeef8: sk_busy_loop (STB_GLOBAL)
  

• In 4.13: Duplicate, Full Inline ⚠️

  Collision: Static Duplication

  Inline: Full

  Transformation: False

  Instances:

  In net/socket.c (ffffffff817adb60)
  Location: include/net/busy_poll.h:114
  Inline: True
  Inline callers:
    - net/socket.c:sock_poll
  

  In net/core/datagram.c (ffffffff817c0762)
  Location: include/net/busy_poll.h:114
  Inline: True
  Inline callers:
    - net/core/datagram.c:__skb_try_recv_datagram
  

  In net/ipv4/tcp.c (ffffffff818242be)
  Location: include/net/busy_poll.h:114
  Inline: True
  Inline callers:
    - net/ipv4/tcp.c:tcp_recvmsg
  

  In net/ipv4/udp.c (ffffffff81845c7f)
  Location: include/net/busy_poll.h:114
  Inline: True
  Inline callers:
    - net/ipv4/udp.c:__skb_recv_udp
  

• In 4.15: Duplicate, Full Inline ⚠️

  Collision: Static Duplication

  Inline: Full

  Transformation: False

  Instances:

  In net/socket.c (ffffffff81825b10)
  Location: include/net/busy_poll.h:114
  Inline: True
  Inline callers:
    - net/socket.c:sock_poll
  

  In net/core/datagram.c (ffffffff8183a18a)
  Location: include/net/busy_poll.h:114
  Inline: True
  Inline callers:
    - net/core/datagram.c:__skb_try_recv_datagram
  

  In net/ipv4/tcp.c (ffffffff818a5c47)
  Location: include/net/busy_poll.h:114
  Inline: True
  Inline callers:
    - net/ipv4/tcp.c:tcp_recvmsg
  

  In net/ipv4/udp.c (ffffffff818c56bd)
  Location: include/net/busy_poll.h:114
  Inline: True
  Inline callers:
    - net/ipv4/udp.c:__skb_recv_udp
  

• In 4.18: Duplicate, Full Inline ⚠️

  Collision: Static Duplication

  Inline: Full

  Transformation: False

  Instances:

  In net/socket.c (ffffffff81870757)
  Location: include/net/busy_poll.h:114
  Inline: True
  Inline callers:
    - net/socket.c:sock_poll
  

  In net/core/datagram.c (ffffffff8188494a)
  Location: include/net/busy_poll.h:114
  Inline: True
  Inline callers:
    - net/core/datagram.c:__skb_try_recv_datagram
  

  In net/ipv4/tcp.c (ffffffff818f7367)
  Location: include/net/busy_poll.h:114
  Inline: True
  Inline callers:
    - net/ipv4/tcp.c:tcp_recvmsg
  

  In net/ipv4/udp.c (ffffffff8191d16e)
  Location: include/net/busy_poll.h:114
  Inline: True
  Inline callers:
    - net/ipv4/udp.c:__skb_recv_udp
  

• In 5.0: Duplicate, Full Inline ⚠️

  Collision: Static Duplication

  Inline: Full

  Transformation: False

  Instances:

  In net/socket.c (ffffffff81890230)
  Location: include/net/busy_poll.h:114
  Inline: True
  Inline callers:
    - net/socket.c:sock_poll
  

  In net/core/datagram.c (ffffffff818a4baa)
  Location: include/net/busy_poll.h:114
  Inline: True
  Inline callers:
    - net/core/datagram.c:__skb_try_recv_datagram
  

  In net/ipv4/tcp.c (ffffffff819259ce)
  Location: include/net/busy_poll.h:114
  Inline: True
  Inline callers:
    - net/ipv4/tcp.c:tcp_recvmsg
  

  In net/ipv4/udp.c (ffffffff8194b71e)
  Location: include/net/busy_poll.h:114
  Inline: True
  Inline callers:
    - net/ipv4/udp.c:__skb_recv_udp
  

• In 5.3: Duplicate, Full Inline ⚠️

  Collision: Static Duplication

  Inline: Full

  Transformation: False

  Instances:

  In net/socket.c (ffffffff818da08b)
  Location: include/net/busy_poll.h:102
  Inline: True
  Inline callers:
    - net/socket.c:sock_poll
  

  In net/core/datagram.c (ffffffff818f0297)
  Location: include/net/busy_poll.h:102
  Inline: True
  Inline callers:
    - net/core/datagram.c:__skb_try_recv_datagram
  

  In net/ipv4/tcp.c (ffffffff81989730)
  Location: include/net/busy_poll.h:102
  Inline: True
  Inline callers:
    - net/ipv4/tcp.c:tcp_recvmsg
  

  In net/ipv4/udp.c (ffffffff819afcb5)
  Location: include/net/busy_poll.h:102
  Inline: True
  Inline callers:
    - net/ipv4/udp.c:__skb_recv_udp
  

• In 5.4: Duplicate, Full Inline ⚠️

  Collision: Static Duplication

  Inline: Full

  Transformation: False

  Instances:

  In net/socket.c (ffffffff8190c06b)
  Location: include/net/busy_poll.h:102
  Inline: True
  Inline callers:
    - net/socket.c:sock_poll
  

  In net/core/datagram.c (ffffffff81922277)
  Location: include/net/busy_poll.h:102
  Inline: True
  Inline callers:
    - net/core/datagram.c:__skb_try_recv_datagram
  

  In net/ipv4/tcp.c (ffffffff819c0ba5)
  Location: include/net/busy_poll.h:102
  Inline: True
  Inline callers:
    - net/ipv4/tcp.c:tcp_recvmsg
  

  In net/ipv4/udp.c (ffffffff819e6945)
  Location: include/net/busy_poll.h:102
  Inline: True
  Inline callers:
    - net/ipv4/udp.c:__skb_recv_udp
  

• In 5.8: Duplicate, Full Inline ⚠️

  Collision: Static Duplication

  Inline: Full

  Transformation: False

  Instances:

  In net/socket.c (ffffffff819df01a)
  Location: include/net/busy_poll.h:102
  Inline: True
  Inline callers:
    - net/socket.c:sock_poll
  

  In net/core/datagram.c (ffffffff819f5d39)
  Location: include/net/busy_poll.h:102
  Inline: True
  Inline callers:
    - net/core/datagram.c:__skb_try_recv_datagram
  

  In net/ipv4/tcp.c (ffffffff81aab637)
  Location: include/net/busy_poll.h:102
  Inline: True
  Inline callers:
    - net/ipv4/tcp.c:tcp_recvmsg
  

  In net/ipv4/udp.c (ffffffff81ad426b)
  Location: include/net/busy_poll.h:102
  Inline: True
  Inline callers:
    - net/ipv4/udp.c:__skb_recv_udp
  

• In 5.11: Duplicate, Full Inline ⚠️

  Collision: Static Duplication

  Inline: Full

  Transformation: False

  Instances:

  In net/socket.c (ffffffff819de8b7)
  Location: include/net/busy_poll.h:104
  Inline: True
  Inline callers:
    - net/socket.c:sock_poll
  

  In net/core/datagram.c (ffffffff819f580e)
  Location: include/net/busy_poll.h:104
  Inline: True
  Inline callers:
    - net/core/datagram.c:__skb_try_recv_datagram
  

  In net/ipv4/tcp.c (ffffffff81ab6b18)
  Location: include/net/busy_poll.h:104
  Inline: True
  Inline callers:
    - net/ipv4/tcp.c:tcp_recvmsg
  

  In net/ipv4/udp.c (ffffffff81ae07b5)
  Location: include/net/busy_poll.h:104
  Inline: True
  Inline callers:
    - net/ipv4/udp.c:__skb_recv_udp
  

  In net/xdp/xsk.c (ffffffff81bb67ae)
  Location: include/net/busy_poll.h:104
  Inline: True
  Inline callers:
    - net/xdp/xsk.c:xsk_recvmsg
    - net/xdp/xsk.c:xsk_sendmsg
  

• In 5.13: Duplicate, Full Inline ⚠️

  Collision: Static Duplication

  Inline: Full

  Transformation: False

  Instances:

  In net/socket.c (ffffffff819c4857)
  Location: include/net/busy_poll.h:104
  Inline: True
  Inline callers:
    - net/socket.c:sock_poll
  

  In net/core/datagram.c (ffffffff819db9ae)
  Location: include/net/busy_poll.h:104
  Inline: True
  Inline callers:
    - net/core/datagram.c:__skb_try_recv_datagram
  

  In net/ipv4/tcp.c (ffffffff81aa1cda)
  Location: include/net/busy_poll.h:104
  Inline: True
  Inline callers:
    - net/ipv4/tcp.c:tcp_recvmsg
  

  In net/ipv4/udp.c (ffffffff81acc7a1)
  Location: include/net/busy_poll.h:104
  Inline: True
  Inline callers:
    - net/ipv4/udp.c:__skb_recv_udp
  

  In net/xdp/xsk.c (ffffffff81ba57bf)
  Location: include/net/busy_poll.h:104
  Inline: True
  Inline callers:
    - net/xdp/xsk.c:xsk_recvmsg
    - net/xdp/xsk.c:xsk_sendmsg
  

• In 5.15: Duplicate, Full Inline ⚠️

  Collision: Static Duplication

  Inline: Full

  Transformation: False

  Instances:

  In net/socket.c (ffffffff81a73cb7)
  Location: include/net/busy_poll.h:104
  Inline: True
  Inline callers:
    - net/socket.c:sock_poll
  

  In net/core/datagram.c (ffffffff81a8bbfe)
  Location: include/net/busy_poll.h:104
  Inline: True
  Inline callers:
    - net/core/datagram.c:__skb_try_recv_datagram
  

  In net/ipv4/tcp.c (ffffffff81b5e7ea)
  Location: include/net/busy_poll.h:104
  Inline: True
  Inline callers:
    - net/ipv4/tcp.c:tcp_recvmsg
  

  In net/ipv4/udp.c (ffffffff81b8b031)
  Location: include/net/busy_poll.h:104
  Inline: True
  Inline callers:
    - net/ipv4/udp.c:__skb_recv_udp
  

  In net/xdp/xsk.c (ffffffff81c7331a)
  Location: include/net/busy_poll.h:104
  Inline: True
  Inline callers:
    - net/xdp/xsk.c:xsk_recvmsg
    - net/xdp/xsk.c:xsk_sendmsg
  

• In 5.19: Duplicate, Full Inline ⚠️

  Collision: Static Duplication

  Inline: Full

  Transformation: False

  Instances:

  In net/socket.c (ffffffff81be6f3f)
  Location: include/net/busy_poll.h:104
  Inline: True
  Inline callers:
    - net/socket.c:sock_poll
  

  In net/core/datagram.c (ffffffff81c0145a)
  Location: include/net/busy_poll.h:104
  Inline: True
  Inline callers:
    - net/core/datagram.c:__skb_try_recv_datagram
  

  In net/ipv4/tcp.c (ffffffff81ced1dc)
  Location: include/net/busy_poll.h:104
  Inline: True
  Inline callers:
    - net/ipv4/tcp.c:tcp_recvmsg
  

  In net/ipv4/udp.c (ffffffff81d1ae33)
  Location: include/net/busy_poll.h:104
  Inline: True
  Inline callers:
    - net/ipv4/udp.c:__skb_recv_udp
  

  In net/xdp/xsk.c (ffffffff81e17092)
  Location: include/net/busy_poll.h:104
  Inline: True
  Inline callers:
    - net/xdp/xsk.c:xsk_recvmsg
    - net/xdp/xsk.c:xsk_sendmsg
  

• In 6.2: Duplicate, Full Inline ⚠️

  Collision: Static Duplication

  Inline: Full

  Transformation: False

  Instances:

  In net/socket.c (ffffffff81d92f1f)
  Location: include/net/busy_poll.h:104
  Inline: True
  Inline callers:
    - net/socket.c:sock_poll
  

  In net/core/datagram.c (ffffffff81db07aa)
  Location: include/net/busy_poll.h:104
  Inline: True
  Inline callers:
    - net/core/datagram.c:__skb_try_recv_datagram
  

  In net/ipv4/tcp.c (ffffffff81eb1108)
  Location: include/net/busy_poll.h:104
  Inline: True
  Inline callers:
    - net/ipv4/tcp.c:tcp_recvmsg
  

  In net/ipv4/udp.c (ffffffff81ee23d3)
  Location: include/net/busy_poll.h:104
  Inline: True
  Inline callers:
    - net/ipv4/udp.c:__skb_recv_udp
  

  In net/xdp/xsk.c (ffffffff81feec49)
  Location: include/net/busy_poll.h:104
  Inline: True
  

• In 6.5: Duplicate, Full Inline ⚠️

  Collision: Static Duplication

  Inline: Full

  Transformation: False

  Instances:

  In net/socket.c (ffffffff81e01323)
  Location: include/net/busy_poll.h:104
  Inline: True
  Inline callers:
    - net/socket.c:sock_poll
  

  In net/core/datagram.c (ffffffff81e20c6a)
  Location: include/net/busy_poll.h:104
  Inline: True
  Inline callers:
    - net/core/datagram.c:__skb_try_recv_datagram
  

  In net/ipv4/tcp.c (ffffffff81f0f798)
  Location: include/net/busy_poll.h:104
  Inline: True
  Inline callers:
    - net/ipv4/tcp.c:tcp_recvmsg
  

  In net/ipv4/udp.c (ffffffff81f41ed3)
  Location: include/net/busy_poll.h:104
  Inline: True
  Inline callers:
    - net/ipv4/udp.c:__skb_recv_udp
  

  In net/xdp/xsk.c (ffffffff8206b6c5)
  Location: include/net/busy_poll.h:104
  Inline: True
  

• In 6.8: Duplicate, Full Inline ⚠️

  Collision: Static Duplication

  Inline: Full

  Transformation: False

  Instances:

  In net/socket.c (ffffffff81ebdcd3)
  Location: include/net/busy_poll.h:105
  Inline: True
  Inline callers:
    - net/socket.c:sock_poll
  

  In net/core/datagram.c (ffffffff81edeb3a)
  Location: include/net/busy_poll.h:105
  Inline: True
  Inline callers:
    - net/core/datagram.c:__skb_try_recv_datagram
  

  In net/ipv4/tcp.c (ffffffff81fd3988)
  Location: include/net/busy_poll.h:105
  Inline: True
  Inline callers:
    - net/ipv4/tcp.c:tcp_recvmsg
  

  In net/ipv4/udp.c (ffffffff82007d63)
  Location: include/net/busy_poll.h:105
  Inline: True
  Inline callers:
    - net/ipv4/udp.c:__skb_recv_udp
  

  In net/xdp/xsk.c (ffffffff8213e079)
  Location: include/net/busy_poll.h:105
  Inline: True
  

Arch

• In arm64: Duplicate, Full Inline ⚠️

  Collision: Static Duplication

  Inline: Full

  Transformation: False

  Instances:

  In net/socket.c (ffff800010ba1124)
  Location: include/net/busy_poll.h:102
  Inline: True
  Inline callers:
    - net/socket.c:sock_poll
  

  In net/core/datagram.c (ffff800010bbcd94)
  Location: include/net/busy_poll.h:102
  Inline: True
  Inline callers:
    - net/core/datagram.c:__skb_try_recv_datagram
  

  In net/ipv4/tcp.c (ffff800010c70f98)
  Location: include/net/busy_poll.h:102
  Inline: True
  Inline callers:
    - net/ipv4/tcp.c:tcp_recvmsg
  

  In net/ipv4/udp.c (ffff800010c99e98)
  Location: include/net/busy_poll.h:102
  Inline: True
  Inline callers:
    - net/ipv4/udp.c:__skb_recv_udp
  

• In armhf: Duplicate, Full Inline ⚠️

  Collision: Static Duplication

  Inline: Full

  Transformation: False

  Instances:

  In net/socket.c (c0cc34ac)
  Location: include/net/busy_poll.h:102
  Inline: True
  Inline callers:
    - net/socket.c:sock_poll
  

  In net/core/datagram.c (c0cd8ef8)
  Location: include/net/busy_poll.h:102
  Inline: True
  Inline callers:
    - net/core/datagram.c:__skb_try_recv_datagram
  

  In net/ipv4/tcp.c (c0d7ffb0)
  Location: include/net/busy_poll.h:102
  Inline: True
  Inline callers:
    - net/ipv4/tcp.c:tcp_recvmsg
  

  In net/ipv4/udp.c (c0daa38c)
  Location: include/net/busy_poll.h:102
  Inline: True
  Inline callers:
    - net/ipv4/udp.c:__skb_recv_udp
  

• In ppc64el: Duplicate, Full Inline ⚠️

  Collision: Static Duplication

  Inline: Full

  Transformation: False

  Instances:

  In net/socket.c (c000000000c7553c)
  Location: include/net/busy_poll.h:102
  Inline: True
  Inline callers:
    - net/socket.c:sock_poll
  

  In net/core/datagram.c (c000000000c95e2c)
  Location: include/net/busy_poll.h:102
  Inline: True
  Inline callers:
    - net/core/datagram.c:__skb_try_recv_datagram
  

  In net/ipv4/tcp.c (c000000000d781dc)
  Location: include/net/busy_poll.h:102
  Inline: True
  Inline callers:
    - net/ipv4/tcp.c:tcp_recvmsg
  

  In net/ipv4/udp.c (c000000000dab3ec)
  Location: include/net/busy_poll.h:102
  Inline: True
  Inline callers:
    - net/ipv4/udp.c:__skb_recv_udp
  

• In riscv64: Duplicate, Full Inline ⚠️

  Collision: Static Duplication

  Inline: Full

  Transformation: False

  Instances:

  In net/socket.c (ffffffe0007391b6)
  Location: include/net/busy_poll.h:102
  Inline: True
  Inline callers:
    - net/socket.c:sock_poll
  

  In net/core/datagram.c (ffffffe00074b500)
  Location: include/net/busy_poll.h:102
  Inline: True
  Inline callers:
    - net/core/datagram.c:__skb_try_recv_datagram
  

  In net/ipv4/tcp.c (ffffffe0007d676e)
  Location: include/net/busy_poll.h:102
  Inline: True
  Inline callers:
    - net/ipv4/tcp.c:tcp_recvmsg
  

  In net/ipv4/udp.c (ffffffe0007f8f48)
  Location: include/net/busy_poll.h:102
  Inline: True
  Inline callers:
    - net/ipv4/udp.c:__skb_recv_udp
  

Flavor

• In aws: Duplicate, Full Inline ⚠️

  Collision: Static Duplication

  Inline: Full

  Transformation: False

  Instances:

  In net/socket.c (ffffffff818ac06b)
  Location: include/net/busy_poll.h:102
  Inline: True
  Inline callers:
    - net/socket.c:sock_poll
  

  In net/core/datagram.c (ffffffff818c2277)
  Location: include/net/busy_poll.h:102
  Inline: True
  Inline callers:
    - net/core/datagram.c:__skb_try_recv_datagram
  

  In net/ipv4/tcp.c (ffffffff81960a15)
  Location: include/net/busy_poll.h:102
  Inline: True
  Inline callers:
    - net/ipv4/tcp.c:tcp_recvmsg
  

  In net/ipv4/udp.c (ffffffff819867b5)
  Location: include/net/busy_poll.h:102
  Inline: True
  Inline callers:
    - net/ipv4/udp.c:__skb_recv_udp
  

• In azure: Duplicate, Full Inline ⚠️

  Collision: Static Duplication

  Inline: Full

  Transformation: False

  Instances:

  In net/socket.c (ffffffff81865fbb)
  Location: include/net/busy_poll.h:102
  Inline: True
  Inline callers:
    - net/socket.c:sock_poll
  

  In net/core/datagram.c (ffffffff8187c1b7)
  Location: include/net/busy_poll.h:102
  Inline: True
  Inline callers:
    - net/core/datagram.c:__skb_try_recv_datagram
  

  In net/ipv4/tcp.c (ffffffff8191a505)
  Location: include/net/busy_poll.h:102
  Inline: True
  Inline callers:
    - net/ipv4/tcp.c:tcp_recvmsg
  

  In net/ipv4/udp.c (ffffffff81940275)
  Location: include/net/busy_poll.h:102
  Inline: True
  Inline callers:
    - net/ipv4/udp.c:__skb_recv_udp
  

• In gcp: Duplicate, Full Inline ⚠️

  Collision: Static Duplication

  Inline: Full

  Transformation: False

  Instances:

  In net/socket.c (ffffffff818fd06b)
  Location: include/net/busy_poll.h:102
  Inline: True
  Inline callers:
    - net/socket.c:sock_poll
  

  In net/core/datagram.c (ffffffff81913277)
  Location: include/net/busy_poll.h:102
  Inline: True
  Inline callers:
    - net/core/datagram.c:__skb_try_recv_datagram
  

  In net/ipv4/tcp.c (ffffffff819cb1e5)
  Location: include/net/busy_poll.h:102
  Inline: True
  Inline callers:
    - net/ipv4/tcp.c:tcp_recvmsg
  

  In net/ipv4/udp.c (ffffffff819f0f85)
  Location: include/net/busy_poll.h:102
  Inline: True
  Inline callers:
    - net/ipv4/udp.c:__skb_recv_udp
  

• In lowlatency: Duplicate, Full Inline ⚠️

  Collision: Static Duplication

  Inline: Full

  Transformation: False

  Instances:

  In net/socket.c (ffffffff8191e0db)
  Location: include/net/busy_poll.h:102
  Inline: True
  Inline callers:
    - net/socket.c:sock_poll
  

  In net/core/datagram.c (ffffffff819343f7)
  Location: include/net/busy_poll.h:102
  Inline: True
  Inline callers:
    - net/core/datagram.c:__skb_try_recv_datagram
  

  In net/ipv4/tcp.c (ffffffff819d4d75)
  Location: include/net/busy_poll.h:102
  Inline: True
  Inline callers:
    - net/ipv4/tcp.c:tcp_recvmsg
  

  In net/ipv4/udp.c (ffffffff819f937b)
  Location: include/net/busy_poll.h:102
  Inline: True
  Inline callers:
    - net/ipv4/udp.c:__skb_recv_udp
  

Differences

Regular

• No changes between 4.8 and 4.10 ✅