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67fe459144
Add a few extra cases of global funcs with context arguments. This time rely on "arg:ctx" decl_tag (__arg_ctx macro), but put it next to "classic" cases where context argument has to be of an exact type that BPF verifier expects (e.g., bpf_user_pt_regs_t for kprobe/uprobe). Colocating all these cases separately from other global func args that rely on arg:xxx decl tags (in verifier_global_subprogs.c) allows for simpler backwards compatibility testing on old kernels. All the cases in test_global_func_ctx_args.c are supposed to work on older kernels, which was manually validated during development. Acked-by: Jiri Olsa <jolsa@kernel.org> Signed-off-by: Andrii Nakryiko <andrii@kernel.org> Link: https://lore.kernel.org/r/20240104013847.3875810-9-andrii@kernel.org 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.