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9494dc0b08
Eric Dumazet says: ==================== udp: small changes on receive path This series is based on an observation I made in UDP receive path. The sock_def_readable() costs are pretty high, especially when epoll is used to generate EPOLLIN events. First patch annotates races on sk->sk_rcvbuf reads. Second patch replaces an atomic_add_return() with a less expensive atomic_add() Third patch avoids calling sock_def_readable() when possible. Fourth patch adds sk_wake_async_rcu() to get better inlining and code generation. ==================== Link: https://lore.kernel.org/r/20240328144032.1864988-1-edumazet@google.com Signed-off-by: Jakub Kicinski <kuba@kernel.org> |
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| README | ||
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 reStructuredText 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.