diff --git a/security/Kconfig b/security/Kconfig
index 1d6463fb1450..353cfef71d4e 100644
--- a/security/Kconfig
+++ b/security/Kconfig
@@ -239,8 +239,46 @@ source "security/safesetid/Kconfig"
 
 source "security/integrity/Kconfig"
 
+choice
+	prompt "First legacy 'major LSM' to be initialized"
+	default DEFAULT_SECURITY_SELINUX if SECURITY_SELINUX
+	default DEFAULT_SECURITY_SMACK if SECURITY_SMACK
+	default DEFAULT_SECURITY_TOMOYO if SECURITY_TOMOYO
+	default DEFAULT_SECURITY_APPARMOR if SECURITY_APPARMOR
+	default DEFAULT_SECURITY_DAC
+
+	help
+	  This choice is there only for converting CONFIG_DEFAULT_SECURITY
+	  in old kernel configs to CONFIG_LSM in new kernel configs. Don't
+	  change this choice unless you are creating a fresh kernel config,
+	  for this choice will be ignored after CONFIG_LSM has been set.
+
+	  Selects the legacy "major security module" that will be
+	  initialized first. Overridden by non-default CONFIG_LSM.
+
+	config DEFAULT_SECURITY_SELINUX
+		bool "SELinux" if SECURITY_SELINUX=y
+
+	config DEFAULT_SECURITY_SMACK
+		bool "Simplified Mandatory Access Control" if SECURITY_SMACK=y
+
+	config DEFAULT_SECURITY_TOMOYO
+		bool "TOMOYO" if SECURITY_TOMOYO=y
+
+	config DEFAULT_SECURITY_APPARMOR
+		bool "AppArmor" if SECURITY_APPARMOR=y
+
+	config DEFAULT_SECURITY_DAC
+		bool "Unix Discretionary Access Controls"
+
+endchoice
+
 config LSM
 	string "Ordered list of enabled LSMs"
+	default "yama,loadpin,safesetid,integrity,smack,selinux,tomoyo,apparmor" if DEFAULT_SECURITY_SMACK
+	default "yama,loadpin,safesetid,integrity,apparmor,selinux,smack,tomoyo" if DEFAULT_SECURITY_APPARMOR
+	default "yama,loadpin,safesetid,integrity,tomoyo" if DEFAULT_SECURITY_TOMOYO
+	default "yama,loadpin,safesetid,integrity" if DEFAULT_SECURITY_DAC
 	default "yama,loadpin,safesetid,integrity,selinux,smack,tomoyo,apparmor"
 	help
 	  A comma-separated list of LSMs, in initialization order.