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Threaded IRQ handlers run in a less critical context compared to normal IRQs, so they can perform more complex and time-consuming operations without causing significant delays in other parts of the kernel. During a context fault, it might be needed to do more processing and gather debug information from TBUs in the handler. These operations may sleep, so add an option to use a threaded IRQ handler in these cases. Signed-off-by: Georgi Djakov <quic_c_gdjako@quicinc.com> Link: https://lore.kernel.org/r/20240417133731.2055383-4-quic_c_gdjako@quicinc.com Signed-off-by: Will Deacon <will@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.