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Use <asm/traps.h> to provide the function prototype for do_IRQ() to prevent a build warning: arch/xtensa/kernel/irq.c:34:17: warning: no previous prototype for 'do_IRQ' [-Wmissing-prototypes] 34 | asmlinkage void do_IRQ(int hwirq, struct pt_regs *regs) Signed-off-by: Randy Dunlap <rdunlap@infradead.org> Cc: Chris Zankel <chris@zankel.net> Cc: Max Filippov <jcmvbkbc@gmail.com> Message-Id: <20230920052139.10570-4-rdunlap@infradead.org> Signed-off-by: Max Filippov <jcmvbkbc@gmail.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.