SEGMENT_RPL_MASK 101 arch/x86/include/asm/ptrace.h return (regs->cs & SEGMENT_RPL_MASK) == USER_RPL; SEGMENT_RPL_MASK 110 arch/x86/include/asm/ptrace.h return ((regs->cs & SEGMENT_RPL_MASK) | (regs->flags & X86_VM_MASK)) >=