On Mon, Feb 10, 2025 at 09:45:34AM -0800, Eric Biggers wrote: > This patchset applies to the crc tree and is also available at: > > git fetch https://git.kernel.org/pub/scm/linux/kernel/git/ebiggers/linux.git crc-x86-v4 > > This series replaces the existing x86 PCLMULQDQ optimized CRC code with > new code that is shared among the different CRC variants and also adds > VPCLMULQDQ support, greatly improving performance on recent CPUs. The > last patch wires up the same optimization to crc64_be() and crc64_nvme() > (a.k.a. the old "crc64_rocksoft") which previously were unoptimized, > improving the performance of those CRC functions by as much as 100x. > crc64_be is used by bcachefs, and crc64_nvme is used by blk-integrity. > FYI, I've applied this to crc-next. - Eric
