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2b9034b5ea
Move all arguments into output registers from input registers. This path is exercised by test_verifier.c's "calls: two calls with args" test. Adjust BPF_TAILCALL_PROLOGUE_SKIP as needed. Let's also make the prologue length a constant size regardless of the combination of ->saw_frame_pointer and ->saw_tail_call settings. Signed-off-by: David S. Miller <davem@davemloft.net> Signed-off-by: Daniel Borkmann <daniel@iogearbox.net>
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.