On Sun, Dec 01, 2024 at 05:08:25PM -0800, Eric Biggers wrote: > This patchset applies to v6.13-rc1 and is also available in git via: > > git fetch https://git.kernel.org/pub/scm/linux/kernel/git/ebiggers/linux.git crc32-lib-v4 > > CRC32 is a family of common non-cryptographic integrity check algorithms > that are fairly fast with a portable C implementation and become far > faster still with the CRC32 or carryless multiplication instructions > that most CPUs have. 9 architectures already have optimized code for at > least some CRC32 variants; however, except for arm64 this optimized code > was only accessible through the crypto API, not the library functions. > > This patchset fixes that so that the CRC32 library functions use the > optimized code. This allows users to just use the library instead of > the crypto API. This is much simpler and also improves performance due > to eliminating the crypto API overhead including an indirect call. Some > examples of updating users are included at the end of the patchset. FYI, this patchset is now in linux-next via the crc-next branch in my repo. Additional reviews and acks would always be appreciated, of course. - Eric
