51 static int lock_kernel_down(const char *where, enum lockdown_reason level)  in lock_kernel_down()  argument
53 	if (kernel_locked_down >= level)  in lock_kernel_down()
56 	kernel_locked_down = level;  in lock_kernel_down()
62 static int __init lockdown_param(char *level)  in lockdown_param()  argument
64 	if (!level)  in lockdown_param()
67 	if (strcmp(level, "integrity") == 0)  in lockdown_param()
69 	else if (strcmp(level, "confidentiality") == 0)  in lockdown_param()
122 		enum lockdown_reason level = lockdown_levels[i];  in lockdown_read()  local
124 		if (lockdown_reasons[level]) {  in lockdown_read()
125 			const char *label = lockdown_reasons[level];  in lockdown_read()
127 			if (kernel_locked_down == level)  in lockdown_read()
158 		enum lockdown_reason level = lockdown_levels[i];  in lockdown_write()  local
159 		const char *label = lockdown_reasons[level];  in lockdown_write()
162 			err = lock_kernel_down("securityfs", level);  in lockdown_write()