set_thread_flag(TIF_SYSCALL_SUCCESS)
#define user_mode(regs) (!((regs)->tstate & TSTATE_PRIV))
#define instruction_pointer(regs) ((regs)->tpc)
set_thread_flag(TIF_SYSCALL_SUCCESS)
#define user_mode(regs) (!((regs)->tstate & TSTATE_PRIV))
#define instruction_pointer(regs) ((regs)->tpc)