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Matt Bobrowski says: ==================== bpf: introduce new VFS based BPF kfuncs G'day! A respin based off v3, which can be found here [0]. Original motivations for introducing this suite of BPF kfuncs can be found here [1]. The primary difference in this version of the patch series is that the suite of VFS related BPF kfuncs added can be used from both sleepable and non-sleepable BPF LSM program types. IOW, the KF_SLEEPABLE annotation has been removed from all of them. Changes sinve v3: * KF_SLEEPABLE annotation has been dropped from all newly introduced VFS related BPF kfuncs. This includes bpf_get_task_exe_file(), bpf_put_file(), and bpf_path_d_path(). Both negative and positive selftests backing these new BPF kfuncs have also been updated accordingly. * buf__sz conditional in bpf_path_d_path() has been updated from buf__sz <= 0, to !buf__sz. * Syntax issues as reported so here [2] have been corrected. [0] https://lore.kernel.org/bpf/20240726085604.2369469-1-mattbobrowski@google.com/ [1] https://lore.kernel.org/bpf/cover.1708377880.git.mattbobrowski@google.com/#t [2] https://netdev.bots.linux.dev/static/nipa/874023/13742510/checkpatch/stdout ==================== Link: https://lore.kernel.org/r/20240731110833.1834742-1-mattbobrowski@google.com Signed-off-by: Alexei Starovoitov <ast@kernel.org> |
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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.