234 				struct iovec *iov_parent,  in read_one_child_regs()  argument
237 	int len = iov_parent->iov_len;  in read_one_child_regs()
240 	ret = process_vm_readv(child, iov_parent, 1, iov_child, 1, 0);  in read_one_child_regs()
250 	struct iovec iov_parent, iov_child;  in read_child_regs()  local
256 	iov_parent.iov_base = &v_out;  in read_child_regs()
257 	iov_parent.iov_len = sizeof(v_out);  in read_child_regs()
260 	read_one_child_regs(child, "FPSIMD", &iov_parent, &iov_child);  in read_child_regs()
263 		iov_parent.iov_base = &sve_vl_out;  in read_child_regs()
264 		iov_parent.iov_len = sizeof(sve_vl_out);  in read_child_regs()
267 		read_one_child_regs(child, "SVE VL", &iov_parent, &iov_child);  in read_child_regs()
269 		iov_parent.iov_base = &z_out;  in read_child_regs()
270 		iov_parent.iov_len = sizeof(z_out);  in read_child_regs()
273 		read_one_child_regs(child, "Z", &iov_parent, &iov_child);  in read_child_regs()
275 		iov_parent.iov_base = &p_out;  in read_child_regs()
276 		iov_parent.iov_len = sizeof(p_out);  in read_child_regs()
279 		read_one_child_regs(child, "P", &iov_parent, &iov_child);  in read_child_regs()
281 		iov_parent.iov_base = &ffr_out;  in read_child_regs()
282 		iov_parent.iov_len = sizeof(ffr_out);  in read_child_regs()
285 		read_one_child_regs(child, "FFR", &iov_parent, &iov_child);  in read_child_regs()
289 		iov_parent.iov_base = &sme_vl_out;  in read_child_regs()
290 		iov_parent.iov_len = sizeof(sme_vl_out);  in read_child_regs()
293 		read_one_child_regs(child, "SME VL", &iov_parent, &iov_child);  in read_child_regs()
295 		iov_parent.iov_base = &svcr_out;  in read_child_regs()
296 		iov_parent.iov_len = sizeof(svcr_out);  in read_child_regs()
299 		read_one_child_regs(child, "SVCR", &iov_parent, &iov_child);  in read_child_regs()
301 		iov_parent.iov_base = &za_out;  in read_child_regs()
302 		iov_parent.iov_len = sizeof(za_out);  in read_child_regs()
305 		read_one_child_regs(child, "ZA", &iov_parent, &iov_child);  in read_child_regs()
309 		iov_parent.iov_base = &zt_out;  in read_child_regs()
310 		iov_parent.iov_len = sizeof(zt_out);  in read_child_regs()
313 		read_one_child_regs(child, "ZT", &iov_parent, &iov_child);  in read_child_regs()