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a55128d392
Now that all regset definitions declare an explicit note name, warn if the note name is missing when generating a core dump. Simplify the fallback to always guess "LINUX", which is appropriate for all Linux-specific notes (i.e., all newly added notes, for a long time now). The one standard exception (PR_FPREG) will no longer have an "unexpected" note name overridden, but a warning will still be emitted. Also warn if the specified note name doesn't match the legacy pattern -- but don't bother to override the name in this case. This warning can be removed in future if new note types emerge that require a specific note name that is not "LINUX". No functional change, beyond the extra noise in dmesg and not overriding an unexpected note name for PR_FPREG any more. Now that all upstream arches are ported to use USER_REGSET_NOTE_TYPE(), new regsets created by copy-pasting existing code should end up correct by construction. Signed-off-by: Dave Martin <Dave.Martin@arm.com> Cc: Oleg Nesterov <oleg@redhat.com> Cc: Kees Cook <kees@kernel.org> Cc: Akihiko Odaki <akihiko.odaki@daynix.com> Reviewed-by: Akihiko Odaki <odaki@rsg.ci.i.u-tokyo.ac.jp> Link: https://lore.kernel.org/r/20250701135616.29630-24-Dave.Martin@arm.com Signed-off-by: Kees Cook <kees@kernel.org> |
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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.