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tracefs_ops is initialized inside tracefs_create_instance_dir and not modified after. tracefs_create_instance_dir allows for initialization only once, and is called from create_trace_instances(marked __init), which is called from tracer_init_tracefs(marked __init). Also, mark tracefs_create_instance_dir as __init. Link: http://lkml.kernel.org/r/20180725171901.4468-1-zsm@chromium.org Reviewed-by: Kees Cook <keescook@chromium.org> Signed-off-by: Zubin Mithra <zsm@chromium.org> Signed-off-by: Steven Rostedt (VMware) <rostedt@goodmis.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.
See Documentation/00-INDEX for a list of what is contained in each file.
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.