Linux 5.2 To Enable GCC 9's Live-Patching Option, Affecting Performance In Select Cases

The GCC 9 compiler is due to be released in the next few weeks and among the many new and improved features is an option designed to help generate binaries that are friendly for live-patching purposes. With the Linux 5.2 kernel, this option will be used by default when building a kernel with live-patching support and that has the potential for some slight slowdowns...