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7d1ef13fea
This commit adds branch relaxation to the BPF JIT, and with that support for far (offset greater than 12b) branching. The branch relaxation requires more than two passes to converge. For most programs it is three passes, but for larger programs it can be more. Signed-off-by: Björn Töpel <bjorn.topel@gmail.com> Signed-off-by: Daniel Borkmann <daniel@iogearbox.net> Reviewed-by: Luke Nelson <lukenels@cs.washington.edu> Link: https://lore.kernel.org/bpf/20191216091343.23260-3-bjorn.topel@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.