save_r2 630 arch/powerpc/kernel/signal_32.c unsigned int save_r2 = 0; save_r2 641 arch/powerpc/kernel/signal_32.c save_r2 = (unsigned int)regs->gpr[2]; save_r2 646 arch/powerpc/kernel/signal_32.c regs->gpr[2] = (unsigned long) save_r2;