On Mon, Nov 27, 2017 at 1:28 PM, Greentime Hu <green.hu@xxxxxxxxx> wrote: > +#ifndef _ASMNDS32_SIGNAL_H > +#define _ASMNDS32_SIGNAL_H > + > +#define SA_RESTORER 0x04000000 > + > +#include <asm-generic/signal.h> > +#endif As documented in asm-generic/signal.h, new architectures should not define SA_RESTORER. Arnd