read_user_stack_32  391 arch/powerpc/perf/callchain.c 	if (read_user_stack_32((unsigned int __user *) &sf->sctx.regs, &regs))
read_user_stack_32  402 arch/powerpc/perf/callchain.c 	if (read_user_stack_32((unsigned int __user *) &sf->uc.uc_regs, &regs))
read_user_stack_32  455 arch/powerpc/perf/callchain.c 		if (!valid_user_sp(sp, 0) || read_user_stack_32(fp, &next_sp))
read_user_stack_32  457 arch/powerpc/perf/callchain.c 		if (level > 0 && read_user_stack_32(&fp[1], &next_ip))
read_user_stack_32  468 arch/powerpc/perf/callchain.c 			if (read_user_stack_32(&uregs[PT_NIP], &next_ip) ||
read_user_stack_32  469 arch/powerpc/perf/callchain.c 			    read_user_stack_32(&uregs[PT_LNK], &lr) ||
read_user_stack_32  470 arch/powerpc/perf/callchain.c 			    read_user_stack_32(&uregs[PT_R1], &sp))