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d375e34478
Song Liu says: ==================== Changes v7 -> v8: 1. Dynamically allocate the dummy sk to avoid race conditions. Changes v6 -> v7: 1. Make dummy sk a global variable (test_run_sk). Changes v5 -> v6: 1. Fixed dummy sk in bpf_prog_test_run_skb() as suggested by Eric Dumazet. Changes v4 -> v5: 1. Replaced bpf_compute_and_save_data_pointers() with bpf_compute_and_save_data_end(); Replaced bpf_restore_data_pointers() with bpf_restore_data_end(). 2. Fixed indentation in test_verifier.c Changes v3 -> v4: 1. Fixed crash issue reported by Alexei. Changes v2 -> v3: 1. Added helper function bpf_compute_and_save_data_pointers() and bpf_restore_data_pointers(). Changes v1 -> v2: 1. Updated the list of read-only fields, and read-write fields. 2. Added dummy sk to bpf_prog_test_run_skb(). This set enables BPF program of type BPF_PROG_TYPE_CGROUP_SKB to access some __skb_buff data directly. ==================== Signed-off-by: Alexei Starovoitov <ast@kernel.org>
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.
See Documentation/00-INDEX for a list of what is contained in each file.
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.