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0939a418b3
Reverse parsing lets YNL convert bad and missing attr pointers from extack into a string like "missing attribute nest1.nest2.attr_name". It's a feature that's unique to YNL C AFAIU (even the Python YNL can't do nested reverse parsing). Add support for reverse-parsing of sub-messages. To simplify the logic and the code annotate the type policies with extra metadata. Mark the selectors and the messages with the information we need. We assume that key / selector always precedes the sub-message while parsing (and also if there are multiple sub-messages like in rt-link they are interleaved selector 1 ... submsg 1 ... selector 2 .. submsg 2, not selector 1 ... selector 2 ... submsg 1 ... submsg 2). The rt-link sample in a subsequent changes shows reverse parsing of sub-messages in action. Reviewed-by: Donald Hunter <donald.hunter@gmail.com> Link: https://patch.msgid.link/20250515231650.1325372-8-kuba@kernel.org Signed-off-by: Jakub Kicinski <kuba@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.