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472831d4c4
The current efivars layer is a jumble of list iterators, shadow data structures and safe variable manipulation helpers that really belong in the efivarfs pseudo file system once the obsolete sysfs access method to EFI variables is removed. So split off a minimal efivar get/set variable API that reuses the existing efivars_lock semaphore to mediate access to the various runtime services, primarily to ensure that performing a SetVariable() on one CPU while another is calling GetNextVariable() in a loop to enumerate the contents of the EFI variable store does not result in surprises. Signed-off-by: Ard Biesheuvel <ardb@kernel.org> |
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| Documentation | ||
| drivers | ||
| fs | ||
| include | ||
| init | ||
| ipc | ||
| kernel | ||
| lib | ||
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| net | ||
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| usr | ||
| virt | ||
| .clang-format | ||
| .cocciconfig | ||
| .get_maintainer.ignore | ||
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| .mailmap | ||
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| Kbuild | ||
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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.