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AppleTalk keeps its per-interface control block (struct atalk_iface) directly in struct netdevice (dev->atalk_ptr). This is the only thing tying the protocol into the core net_device layout and is the sole blocker to moving AppleTalk out of tree. Replace dev->atalk_ptr with a small ifindex-keyed hashtable internal to ddp.c. The existing atalk_interfaces list stays the owner of the iface objects; the hashtable is purely a fast dev->iface index and reuses the same atalk_interfaces_lock. AFAICT this patch does not make this code any more racy than it already is, I'm sure Sashiko will point out some basically existing bugs. AFAICT atalk_interfaces_lock is the innermost lock already. Acked-by: Stephen Hemminger <stephen@networkplumber.org> Link: https://patch.msgid.link/20260615222935.947233-2-kuba@kernel.org Signed-off-by: Jakub Kicinski <kuba@kernel.org> |
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| .. | ||
| index.rst | ||
| inet_connection_sock.rst | ||
| inet_sock.rst | ||
| net_device.rst | ||
| netns_ipv4_sysctl.rst | ||
| snmp.rst | ||
| tcp_sock.rst | ||