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Instead of simply using EXPORT_SYMBOL() to export the functions needed in xe.ko to be be called across modules, use EXPORT_SYMBOL_IF_KUNIT() which will export the symbol under the EXPORTED_FOR_KUNIT_TESTING namespace. This avoids accidentally "leaking" these functions and letting them be called from outside the kunit tests. If these functiosn are accidentally called from another module, they receive a modpost error like below: ERROR: modpost: module XXXXXXX uses symbol xe_ccs_migrate_kunit from namespace EXPORTED_FOR_KUNIT_TESTING, but does not import it. Signed-off-by: Lucas De Marchi <lucas.demarchi@intel.com> Reviewed-by: Mauro Carvalho Chehab <mchehab@kernel.org> Link: https://lore.kernel.org/r/20230401085151.1786204-4-lucas.demarchi@intel.com Signed-off-by: Rodrigo Vivi <rodrigo.vivi@intel.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.