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c00a4cb15a
Secure OS can reserve some EXTI events, marking them as "secure" by setting the corresponding bit in register SECCFGR (aka TZENR). These events cannot be used by Linux. Read the list of reserved events and check it during interrupt domain allocation. Signed-off-by: Antonio Borneo <antonio.borneo@foss.st.com> Signed-off-by: Thomas Gleixner <tglx@linutronix.de> Link: https://lore.kernel.org/r/20240415134926.1254428-6-antonio.borneo@foss.st.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.