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Feng Yang says: ==================== bpf: Allow some trace helpers for all prog types From: Feng Yang <yangfeng@kylinos.cn> This series allow some trace helpers for all prog types. if it works under NMI and doesn't use any context-dependent things, should be fine for any program type. The detailed discussion is in [1]. [1] https://lore.kernel.org/all/CAEf4Bza6gK3dsrTosk6k3oZgtHesNDSrDd8sdeQ-GiS6oJixQg@mail.gmail.com/ --- Changes in v3: - cgroup_current_func_proto clean. - bpf_scx_get_func_proto clean. Thanks, Andrii Nakryiko. - Link to v2: https://lore.kernel.org/all/20250427063821.207263-1-yangfeng59949@163.com/ Changes in v2: - not expose compat probe read APIs to more program types. - Remove the prog->sleepable check added for copy_from_user, - or the summarization_freplace/might_sleep_with_might_sleep test will fail with the error "program of this type cannot use helper bpf_copy_from_user" - Link to v1: https://lore.kernel.org/all/20250425080032.327477-1-yangfeng59949@163.com/ ==================== Link: https://patch.msgid.link/20250506061434.94277-1-yangfeng59949@163.com Signed-off-by: Andrii Nakryiko <andrii@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 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.