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A xe_hw_engine_group is a group of hw engines. Two hw engines belong to the same xe_hw_engine_group if one hw engine cannot make progress while the other is stuck on a page fault. Typically, hw engines of the same group share some resources such as EUs, but this really depends on the hardware configuration of the platforms. The simple engines partitioning proposed here might be too conservative but is intended to work for existing platforms. It can be optimized later if more sets of independent engines are identified. The hw engine groups are intended to be used in the context of faulting long-running jobs submissions. v2: Move to own files, improve error handling (Matt Brost) v3: Fix build issue reported by CI, improve commit message (Matt Roper) v4: Fix kernel doc v5: Add switch case for XE_ENGINE_CLASS_OTHER Signed-off-by: Francois Dugast <francois.dugast@intel.com> Reviewed-by: Matthew Brost <matthew.brost@intel.com> Signed-off-by: Matthew Brost <matthew.brost@intel.com> Link: https://patchwork.freedesktop.org/patch/msgid/20240809155156.1955925-2-francois.dugast@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.