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Jeff XieandThomas Gleixner
eb29369fa5
Currently, when the affinity of an irq cannot be set due to lack of permission, the write_irq_affinity() returns the error code -EIO. Change the return value to -EPERM as that reflects the cause of error correctly. Signed-off-by: Jeff Xie <jeff.xie@linux.dev> Signed-off-by: Thomas Gleixner <tglx@linutronix.de> Link: https://lore.kernel.org/all/20240826145805.5938-1-jeff.xie@linux.dev
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.