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4aa6dc909e
Following the example of the crc32 and crc32c code, make the crypto subsystem register both generic and architecture-optimized chacha20, xchacha20, and xchacha12 skcipher algorithms, all implemented on top of the appropriate library functions. This eliminates the need for every architecture to implement the same skcipher glue code. To register the architecture-optimized skciphers only when architecture-optimized code is actually being used, add a function chacha_is_arch_optimized() and make each arch implement it. Change each architecture's ChaCha module_init function to arch_initcall so that the CPU feature detection is guaranteed to run before chacha_is_arch_optimized() gets called by crypto/chacha.c. In the case of s390, remove the CPU feature based module autoloading, which is no longer needed since the module just gets pulled in via function linkage. Signed-off-by: Eric Biggers <ebiggers@google.com> Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au> |
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| 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 | ||
| .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.