* Masami Hiramatsu <mhiramat@xxxxxxxxxx> wrote: > Change kretprobe_trampoline to make a space for regs->ARM_pc so that > kretprobe_trampoline_handler can call instruction_pointer_set() > safely. The idiom is "make space", but in any case, what does this mean? Was the stack frame set up in kretprobe_trampoline() and calling trampoline_handler() buggy? If yes, then explain the bad effects of the bug, and make all of this clear in the title & changelog. Thanks, Ingo