335 static void start_sve(struct child_data *child, int vl, int cpu)  in start_sve()  argument
339 	ret = prctl(PR_SVE_SET_VL, vl | PR_SVE_VL_INHERIT);  in start_sve()
341 		ksft_exit_fail_msg("Failed to set SVE VL %d\n", vl);  in start_sve()
343 	ret = asprintf(&child->name, "SVE-VL-%d-%d", vl, cpu);  in start_sve()
352 static void start_ssve(struct child_data *child, int vl, int cpu)  in start_ssve()  argument
356 	ret = asprintf(&child->name, "SSVE-VL-%d-%d", vl, cpu);  in start_ssve()
360 	ret = prctl(PR_SME_SET_VL, vl | PR_SME_VL_INHERIT);  in start_ssve()
369 static void start_za(struct child_data *child, int vl, int cpu)  in start_za()  argument
373 	ret = prctl(PR_SME_SET_VL, vl | PR_SVE_VL_INHERIT);  in start_za()
377 	ret = asprintf(&child->name, "ZA-VL-%d-%d", vl, cpu);  in start_za()
402 	int vl;  in probe_vls()  local
407 		vl = prctl(set_vl, vq * 16);  in probe_vls()
408 		if (vl == -1)  in probe_vls()
412 		vl &= PR_SVE_VL_LEN_MASK;  in probe_vls()
414 		if (*vl_count && (vl == vls[*vl_count - 1]))  in probe_vls()
417 		vq = sve_vq_from_vl(vl);  in probe_vls()
419 		vls[*vl_count] = vl;  in probe_vls()