Google Working To Leverage More Compiler Optimizations Within The Linux Kernel

While Linus Torvalds previously shot down plans for Profile Guided Optimizations (PGO) in the mainline Linux kernel, Google engineers are hoping still to get that out-of-tree functionality upstream. They also would like to see PGO supported for Linux kernel modules rather than just the main Linux kernel image. Additionally, they hope to see limitations overcome around AutoFDO and Propeller optimizations of kernel modules...