Linux 5.1 delivered higher performance asynchronous I/O thanks to io_uring interface, made a further change to deal with the year 2038, added TEO governor for improved performance without additional power consumption, and added an option for adjusting Zstandard compression level for BTRFS file system among many other changes. The Arch/RISC-V support for SiFive’s L2 cache controller has been merged, which should unblock the EDAC framework work and adds support for the RISC-V architecture to the nolibc header file
To read more, please visit https://www.cnx-software.com/2019/07/11/linux-5-2-release-main-changes-arm-mips-risc-v-architectures/.