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Will be used by the UMD to optimize CPU accesses to buffers that are frequently read by the CPU, or on which the access pattern makes non-cacheable mappings inefficient. Mapping buffers CPU-cached implies taking care of the CPU cache maintenance in the UMD, unless the GPU is IO coherent. v2: - Add more to the commit message v3: - No changes v4: - Fix the map_wc test in panfrost_ioctl_query_bo_info() v5: - Drop Steve's R-b (enough has changed to justify a new review) v6: - Collect R-b v7: - No changes v8: - Fix double drm_gem_object_funcs::export assignment Signed-off-by: Faith Ekstrand <faith.ekstrand@collabora.com> Reviewed-by: Steven Price <steven.price@arm.com> Link: https://patch.msgid.link/20251208100841.730527-13-boris.brezillon@collabora.com Signed-off-by: Boris Brezillon <boris.brezillon@collabora.com> |
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| arch | ||
| block | ||
| certs | ||
| crypto | ||
| 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.