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Jason A. Donenfeld e73aaae2fa siphash: use one source of truth for siphash permutations
The SipHash family of permutations is currently used in three places:

- siphash.c itself, used in the ordinary way it was intended.
- random32.c, in a construction from an anonymous contributor.
- random.c, as part of its fast_mix function.

Each one of these places reinvents the wheel with the same C code, same
rotation constants, and same symmetry-breaking constants.

This commit tidies things up a bit by placing macros for the
permutations and constants into siphash.h, where each of the three .c
users can access them. It also leaves a note dissuading more users of
them from emerging.

Signed-off-by: Jason A. Donenfeld <Jason@zx2c4.com>
2022-05-18 15:53:52 +02:00
arch xtensa: use fallback for random_get_entropy() instead of zero 2022-05-13 23:59:23 +02:00
block Revert "block: release rq qos structures for queue without disk" 2022-05-02 10:06:40 -06:00
certs Kbuild updates for v5.18 2022-03-31 11:59:03 -07:00
crypto for-5.18/64bit-pi-2022-03-25 2022-03-26 12:01:35 -07:00
Documentation random: fix sysctl documentation nits 2022-05-13 23:59:12 +02:00
drivers siphash: use one source of truth for siphash permutations 2022-05-18 15:53:52 +02:00
fs io_uring-5.18-2022-05-06 2022-05-07 10:41:41 -07:00
include siphash: use one source of truth for siphash permutations 2022-05-18 15:53:52 +02:00
init init: call time_init() before rand_initialize() 2022-05-13 23:59:22 +02:00
ipc fs: allocate inode by using alloc_inode_sb() 2022-03-22 15:57:03 -07:00
kernel timekeeping: Add raw clock fallback for random_get_entropy() 2022-05-13 23:59:23 +02:00
lib siphash: use one source of truth for siphash permutations 2022-05-18 15:53:52 +02:00
LICENSES LICENSES/LGPL-2.1: Add LGPL-2.1-or-later as valid identifiers 2021-12-16 14:33:10 +01:00
mm mm/readahead: Fix readahead with large folios 2022-05-05 00:47:29 -04:00
net NFS client bugfixes for Linux 5.18 2022-05-06 13:19:11 -07:00
samples dma-mapping updates for Linux 5.18 2022-03-29 08:50:14 -07:00
scripts objtool: Enable unreachable warnings for CLANG LTO 2022-04-19 21:58:48 +02:00
security hardening updates for v5.18-rc1-fix1 2022-03-31 11:43:01 -07:00
sound ASoC: Fixes for v5.18 2022-05-08 10:49:25 +02:00
tools Networking fixes for 5.18-rc6, including fixes from can, rxrpc and 2022-05-05 09:45:12 -07:00
usr Kbuild updates for v5.18 2022-03-31 11:59:03 -07:00
virt Merge branch 'kvm-fixes-for-5.18-rc5' into HEAD 2022-04-29 12:39:34 -04:00
.clang-format genirq/msi: Make interrupt allocation less convoluted 2021-12-16 22:22:20 +01:00
.cocciconfig
.get_maintainer.ignore
.gitattributes
.gitignore .gitignore: ignore only top-level modules.builtin 2021-05-02 00:43:35 +09:00
.mailmap futex: MAINTAINERS, .mailmap: Update André's email address 2022-04-22 10:30:20 +02:00
COPYING
CREDITS MAINTAINERS: replace a Microchip AT91 maintainer 2022-02-09 11:30:01 +01:00
Kbuild
Kconfig
MAINTAINERS A fix and an email address update: 2022-05-08 11:21:54 -07:00
Makefile Linux 5.18-rc6 2022-05-08 13:54:17 -07:00
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.