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When CONFIG_CRYPTO_MANAGER_EXTRA_TESTS=y, the first lookup of an algorithm that needs to be instantiated using a template will always get the generic implementation, even when an accelerated one is available. This happens because the extra self-tests for the accelerated implementation allocate the generic implementation for comparison purposes, and then crypto_alg_tested() for the generic implementation "fulfills" the original request (i.e. sets crypto_larval::adult). This patch fixes this by only fulfilling the original request if we are currently the best outstanding larval as judged by the priority. If we're not the best then we will ask all waiters on that larval request to retry the lookup. Note that this patch introduces a behaviour change when the module providing the new algorithm is unregistered during the process. Previously we would have failed with ENOENT, after the patch we will instead redo the lookup. Fixes: |
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| block | ||
| certs | ||
| crypto | ||
| Documentation | ||
| drivers | ||
| fs | ||
| include | ||
| init | ||
| ipc | ||
| kernel | ||
| lib | ||
| LICENSES | ||
| mm | ||
| net | ||
| samples | ||
| scripts | ||
| security | ||
| sound | ||
| tools | ||
| usr | ||
| virt | ||
| .clang-format | ||
| .cocciconfig | ||
| .get_maintainer.ignore | ||
| .gitattributes | ||
| .gitignore | ||
| .mailmap | ||
| 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.