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9eb5e54f87
Instead of just comparing the cpu topology IDs with -1 to check their validity, improve that by checking for a valid non-negative value. Link: https://lore.kernel.org/r/20220704101605.1318280-15-sudeep.holla@arm.com Suggested-by: Andy Shevchenko <andy.shevchenko@gmail.com> Tested-by: Ionela Voinescu <ionela.voinescu@arm.com> Tested-by: Conor Dooley <conor.dooley@microchip.com> Reviewed-by: Gavin Shan <gshan@redhat.com> Signed-off-by: Sudeep Holla <sudeep.holla@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.