On Mon, May 14, 2018 at 10:46:34AM +0100, Mark Rutland wrote: > Using this helper allows us to avoid the in-kernel call to the > sys_personality() syscall. The ksys_ prefix denotes that this function > is meant as a drop-in replacement for the syscall. In particular, it > uses the same calling convention as sys_personality(). > > This is necessary to enable conversion of arm64's syscall handling to > use pt_regs wrappers. Plese just opencode the trivial sys_personality logic instead.
