de23a6a1a31fcf259fa7cdf39f30d743b43971bd
commit a255ee29252066d621df5d6b420bf534c6ba5bc0 upstream. When irq-xtensa-mx chip is used in non-SMP configuration its irq_set_affinity callback is not called leaving IRQ affinity set empty. As a result IRQ delivery does not work in that configuration. Initialize IRQ affinity of the xtensa MX interrupt distributor to CPU 0 for all external IRQ lines. Cc: stable@vger.kernel.org Signed-off-by: Max Filippov <jcmvbkbc@gmail.com> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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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.
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