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Kumar Kartikeya says: ==================== Patches (1,2,3,6) add typeless and weak ksym support to gen_loader. It is follow up for the recent kfunc from modules series. The later patches (7,8) are misc fixes for selftests, and patch 4 for libbpf where we try to be careful to not end up with fds == 0, as libbpf assumes in various places that they are greater than 0. Patch 5 fixes up missing O_CLOEXEC in libbpf. Changelog: ---------- v4 -> v5 v4: https://lore.kernel.org/bpf/20211020191526.2306852-1-memxor@gmail.com * Address feedback from Andrii * Drop use of ensure_good_fd in unneeded call sites * Add sys_bpf_fd * Add _lskel suffix to all light skeletons and change all current selftests * Drop early break in close loop for sk_lookup * Fix other nits v3 -> v4 v3: https://lore.kernel.org/bpf/20211014205644.1837280-1-memxor@gmail.com * Remove gpl_only = true from bpf_kallsyms_lookup_name (Alexei) * Add bpf_dump_raw_ok check to ensure kptr_restrict isn't bypassed (Alexei) v2 -> v3 v2: https://lore.kernel.org/bpf/20211013073348.1611155-1-memxor@gmail.com * Address feedback from Song * Move ksym logging to separate helper to avoid code duplication * Move src_reg mask stuff to separate helper * Fix various other nits, add acks * __builtin_expect is used instead of likely to as skel_internal.h is included in isolation. v1 -> v2 v1: https://lore.kernel.org/bpf/20211006002853.308945-1-memxor@gmail.com * Remove redundant OOM checks in emit_bpf_kallsyms_lookup_name * Use designated initializer for sk_lookup fd array (Jakub) * Do fd check for all fd returning low level APIs (Andrii, Alexei) * Make Fixes: tag quote commit message, use selftests/bpf prefix (Song, Andrii) * Split typeless and weak ksym support into separate patches, expand commit message (Song) * Fix duplication in selftests stemming from use of LSKELS_EXTRA (Song) ==================== 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.
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.