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Ard Biesheuvel
28e8d89b1c
In preparation of extending the x86 ChaCha driver to also expose the ChaCha library interface, drop the dependency on the chacha_generic crypto driver as a non-SIMD fallback, and depend on the generic ChaCha library directly. This way, we only pull in the code we actually need, without registering a set of ChaCha skciphers that we will never use. Since turning the FPU on and off is cheap these days, simplify the SIMD routine by dropping the per-page yield, which makes for a cleaner switch to the library API as well. This also allows use to invoke the skcipher walk routines in non-atomic mode. Signed-off-by: Ard Biesheuvel <ardb@kernel.org> Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
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.