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0bd5ab511e
ice_run_xdp_zc() suggests to compiler that XDP_REDIRECT is the most probable action returned from BPF program that AF_XDP has in its pipeline. Let's also bring this suggestion up to the callsite of ice_run_xdp_zc() so that compiler will be able to generate more optimized code which in turn will make branch predictor happy. Suggested-by: Jesper Dangaard Brouer <brouer@redhat.com> Signed-off-by: Maciej Fijalkowski <maciej.fijalkowski@intel.com> Signed-off-by: Daniel Borkmann <daniel@iogearbox.net> Link: https://lore.kernel.org/bpf/20220413153015.453864-4-maciej.fijalkowski@intel.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.