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If the primary is GT is disabled via configfs, we can't read the GT registers that would tell us whether the BIOS has disabled FlatCCS on a platform that would otherwise have it; we'll just proceed as if the FlatCCS is still enabled. This is similar to the situation seen by SRIOV VFs and doesn't cause any functional problems since the hardware will simply drop writes to the CCS region and reads will always come back as 0 (indicating uncompressed data). We'll simply miss out on the chance to avoid some unnecessary overhead during BO creation and migration. Reviewed-by: Gustavo Sousa <gustavo.sousa@intel.com> Link: https://lore.kernel.org/r/20251013200944.2499947-45-matthew.d.roper@intel.com Signed-off-by: Matt Roper <matthew.d.roper@intel.com> |
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| certs | ||
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| Documentation | ||
| drivers | ||
| fs | ||
| include | ||
| init | ||
| io_uring | ||
| ipc | ||
| kernel | ||
| lib | ||
| LICENSES | ||
| mm | ||
| net | ||
| rust | ||
| samples | ||
| scripts | ||
| security | ||
| sound | ||
| tools | ||
| usr | ||
| virt | ||
| .clang-format | ||
| .clippy.toml | ||
| .cocciconfig | ||
| .editorconfig | ||
| .get_maintainer.ignore | ||
| .gitattributes | ||
| .gitignore | ||
| .mailmap | ||
| .pylintrc | ||
| .rustfmt.toml | ||
| COPYING | ||
| CREDITS | ||
| Kbuild | ||
| Kconfig | ||
| MAINTAINERS | ||
| Makefile | ||
| 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.