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563e5eca4e
Currently poll_timeout_us() evaluates 'cond' twice at the end of the success case. This not desirable in case 'cond' itself is expensive. Avoid the double evaluation by tracking the return value in a variable. Need to use a triple undescore '___ret' name to avoid a conflict with an existing double undescore '__ret' variable in the regmap code. Cc: Lucas De Marchi <lucas.demarchi@intel.com> Cc: Dibin Moolakadan Subrahmanian <dibin.moolakadan.subrahmanian@intel.com> Cc: Imre Deak <imre.deak@intel.com> Cc: David Laight <david.laight.linux@gmail.com> Cc: Geert Uytterhoeven <geert+renesas@glider.be> Cc: Matt Wagantall <mattw@codeaurora.org> Cc: Dejin Zheng <zhengdejin5@gmail.com> Cc: intel-gfx@lists.freedesktop.org Cc: intel-xe@lists.freedesktop.org Cc: linux-kernel@vger.kernel.org Reviewed-by: Jani Nikula <jani.nikula@intel.com> Acked-by: Simona Vetter <simona.vetter@ffwll.ch> Signed-off-by: Ville Syrjälä <ville.syrjala@linux.intel.com> Link: https://lore.kernel.org/r/20250826121859.15497-2-ville.syrjala@linux.intel.com Signed-off-by: Jani Nikula <jani.nikula@intel.com> |
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| README | ||
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.