Merge branch 'Typeless/weak ksym for gen_loader + misc fixups'
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>
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