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6e3379b933
Stop wrapping skcipher and aead algorithms with the crypto SIMD helper (crypto/simd.c). The only purpose of doing so was to work around x86 not always supporting kernel-mode FPU in softirqs. Specifically, if a hardirq interrupted a task context kernel-mode FPU section and then a softirqs were run at the end of that hardirq, those softirqs could not use kernel-mode FPU. This has now been fixed. In combination with the fact that the skcipher and aead APIs only support task and softirq contexts, these can now just use kernel-mode FPU unconditionally on x86. This simplifies the code and improves performance. Signed-off-by: Eric Biggers <ebiggers@google.com> 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 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.