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57452d767f
With ->read_skb() now we have an entire skb dequeued from receive queue, now we just need to grab an addtional refcnt before passing its ownership to recv actors. And we should not touch them any more, particularly for skb->sk. Fortunately, skb->sk is already set for most of the protocols except UDP where skb->sk has been stolen, so we have to fix it up for UDP case. Signed-off-by: Cong Wang <cong.wang@bytedance.com> Signed-off-by: Daniel Borkmann <daniel@iogearbox.net> Reviewed-by: John Fastabend <john.fastabend@gmail.com> Link: https://lore.kernel.org/bpf/20220615162014.89193-4-xiyou.wangcong@gmail.com
Linux kernel
============
There are several guides for kernel developers and users. These guides can
be rendered in a number of formats, like HTML and PDF. Please read
Documentation/admin-guide/README.rst first.
In order to build the documentation, use ``make htmldocs`` or
``make pdfdocs``. The formatted documentation can also be read online at:
https://www.kernel.org/doc/html/latest/
There are various text files in the Documentation/ subdirectory,
several of them using the Restructured Text markup notation.
Please read the Documentation/process/changes.rst file, as it contains the
requirements for building and running the kernel, and information about
the problems which may result by upgrading your kernel.