Symbol: USER_RPL
arch/x86/include/asm/ptrace.h
212
return ((regs->cs & SEGMENT_RPL_MASK) | (regs->flags & X86_VM_MASK)) >= USER_RPL;
arch/x86/kernel/ptrace.c
170
return unlikely(value != 0 && (value & SEGMENT_RPL_MASK) != USER_RPL);