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923e423817
If an engine is only destroyed on driver unload, we can skip its clean-up steps with the GuC because the GuC is going to be tuned off as well, so it doesn't matter if we're in sync with it or not. Currently, we apply this optimization to all engines marked as kernel, but this stops us to supporting kernel engines that don't stick around until unload. To remove this limitation, add a separate flag to indicate if the engine is expected to only be destryed on driver unload and use that to trigger the optimzation. While at it, add a small comment to explain what each engine flag represents. v2: s/XE_BUG_ON/XE_WARN_ON, s/ENGINE/EXEC_QUEUE v3: rebased Signed-off-by: Daniele Ceraolo Spurio <daniele.ceraolospurio@intel.com> Cc: Matthew Brost <matthew.brost@intel.com> Reviewed-by: Matthew Brost <matthew.brost@intel.com> Link: https://lore.kernel.org/r/20230822173334.1664332-3-daniele.ceraolospurio@intel.com Signed-off-by: Rodrigo Vivi <rodrigo.vivi@intel.com> |
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| certs | ||
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| Documentation | ||
| drivers | ||
| fs | ||
| include | ||
| init | ||
| io_uring | ||
| ipc | ||
| kernel | ||
| lib | ||
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| usr | ||
| virt | ||
| .clang-format | ||
| .cocciconfig | ||
| .get_maintainer.ignore | ||
| .gitattributes | ||
| .gitignore | ||
| .mailmap | ||
| .rustfmt.toml | ||
| COPYING | ||
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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 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.