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Ard Biesheuvel
ddf169a98f
Follow the same approach as the arm64 driver for implementing a version of AES-NI in CBC mode that supports ciphertext stealing. This results in a ~2x speed increase for relatively short inputs (less than 256 bytes), which is relevant given that AES-CBC with ciphertext stealing is used for filename encryption in the fscrypt layer. For larger inputs, the speedup is still significant (~25% on decryption, ~6% on encryption) Tested-by: Eric Biggers <ebiggers@google.com> # x86_64 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.