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12f4b58a37
This is an effort to unify hmmptr (aka system allocator) and userptr code. hmm_range_fault is used to populate a virtual address range for both hmmptr and userptr, instead of hmmptr using hmm_range_fault and userptr using get_user_pages_fast. This also aligns with AMD gpu driver's behavior. In long term, we plan to put some common helpers in this area to drm layer so it can be re-used by different vendors. -v1 use the function with parameter to confirm whether lock is acquired by the caller or needs to be acquired in hmm_range_fault. Reviewed-by: Matthew Brost <matthew.brost@intel.com> Cc: Matthew Brost <matthew.brost@intel.com> Signed-off-by: Oak Zeng <oak.zeng@intel.com> Signed-off-by: Himal Prasad Ghimiray <himal.prasad.ghimiray@intel.com> Signed-off-by: Thomas Hellström <thomas.hellstrom@linux.intel.com> Link: https://patchwork.freedesktop.org/patch/msgid/20240412095237.1048599-3-himal.prasad.ghimiray@intel.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 | ||
| .cocciconfig | ||
| .editorconfig | ||
| .get_maintainer.ignore | ||
| .gitattributes | ||
| .gitignore | ||
| .mailmap | ||
| .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 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.