CRC32 Instruction Optimization

Application scenario: The CRC32 function is frequently invoked in kernel space. The Linux kernel contains the C language implementation of the CRC32 algorithm. Its performance is low and may become a system performance bottleneck.

Technical principle: Kunpeng CRC32 hardware instructions are used to replace the software implementation of the CRC32 algorithm, thereby improving system performance.

Performance metric: The sysbench write performance is expected to improve by 5%.