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gt->info.engine_mask used to indicate the available engines, but that is not always true anymore: some engines are reserved to kernel and some may be exposed as a single engine (e.g. with ccs_mode). Runtime changes only happen when no clients exist, so it's safe to cache the list of engines in the gt and update that when it's needed. This will help implementing per client engine utilization so this (mostly constant) information doesn't need to be re-calculated on every query. Reviewed-by: Jonathan Cavitt <jonathan.cavitt@intel.com> Reviewed-by: Umesh Nerlige Ramappa <umesh.nerlige.ramappa@intel.com> Link: https://patchwork.freedesktop.org/patch/msgid/20240517204310.88854-7-lucas.demarchi@intel.com Signed-off-by: Lucas De Marchi <lucas.demarchi@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 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.