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Some architectures want to provide the generic set_handle_irq() API, but for structural reasons need to provide their own implementation. For example, arm64 needs to do this to provide uniform set_handle_irq() and set_handle_fiq() registration functions. Make this possible by allowing architectures to provide their own implementation of set_handle_irq when CONFIG_GENERIC_IRQ_MULTI_HANDLER is not selected. Signed-off-by: Marc Zyngier <maz@kernel.org> [Mark: expand commit message] Signed-off-by: Mark Rutland <mark.rutland@arm.com> Tested-by: Hector Martin <marcan@marcan.st> Cc: James Morse <james.morse@arm.com> Cc: Thomas Gleixner <tglx@linutronix.de> Cc: Will Deacon <will@kernel.org> Link: https://lore.kernel.org/r/20210315115629.57191-2-mark.rutland@arm.com Signed-off-by: Catalin Marinas <catalin.marinas@arm.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 Restructured Text 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.