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Howard Chu
3656e566cf
We'll use it to add a regression test for the BTF augmentation of enum
arguments for tracepoints in 'perf trace':
root@x1:~# perf trace -e landlock_add_rule perf test -w landlock
0.000 ( 0.009 ms): perf/747160 landlock_add_rule(ruleset_fd: 11, rule_type: LANDLOCK_RULE_PATH_BENEATH, rule_attr: 0x7ffd8e258594, flags: 45) = -1 EINVAL (Invalid argument)
0.011 ( 0.002 ms): perf/747160 landlock_add_rule(ruleset_fd: 11, rule_type: LANDLOCK_RULE_NET_PORT, rule_attr: 0x7ffd8e2585a0, flags: 45) = -1 EINVAL (Invalid argument)
root@x1:~#
Committer notes:
It was agreed on the discussion (see Link below) to shorten then name of
the workload from 'landlock_add_rule' to 'landlock', and I moved it to a
separate patch.
Also, to address a build failure from Namhyung, I stopped loading
linux/landlock.h and instead added the used defines, enums and types to
make this build in older systems. All we want is to emit the syscall and
intercept it.
Suggested-by: Arnaldo Carvalho de Melo <acme@kernel.org>
Signed-off-by: Howard Chu <howardchu95@gmail.com>
Tested-by: Arnaldo Carvalho de Melo <acme@kernel.org>
Cc: Adrian Hunter <adrian.hunter@intel.com>
Cc: Ian Rogers <irogers@google.com>
Cc: Jiri Olsa <jolsa@kernel.org>
Cc: Kan Liang <kan.liang@linux.intel.com>
Cc: Namhyung Kim <namhyung@kernel.org>
Link: https://lore.kernel.org/lkml/CAH0uvohaypdTV6Z7O5QSK+va_qnhZ6BP6oSJ89s1c1E0CjgxDA@mail.gmail.com
Link: https://lore.kernel.org/r/20240624181345.124764-1-howardchu95@gmail.com
Link: https://lore.kernel.org/r/20240624181345.124764-6-howardchu95@gmail.com
Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>
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.