On Fri, Nov 08, 2019 at 10:12:22PM +0100, Arnd Bergmann wrote: > At the moment, the compilation of the old time32 system calls depends > purely on the architecture. As systems with new libc based on 64-bit > time_t are getting deployed, even architectures that previously supported > these (notably x86-32 and arm32 but also many others) no longer depend on > them, and removing them from a kernel image results in a smaller kernel > binary, the same way we can leave out many other optional system calls. > > More importantly, on an embedded system that needs to keep working > beyond year 2038, any user space program calling these system calls > is likely a bug, so removing them from the kernel image does provide > an extra debugging help for finding broken applications. > > I've gone back and forth on hiding this option unless CONFIG_EXPERT > is set. This version leaves it visible based on the logic that > eventually it will be turned off indefinitely. > > Signed-off-by: Arnd Bergmann <arnd@xxxxxxxx> Acked-by: Christian Brauner <christian.brauner@xxxxxxxxxx>
