apparmor: add parameter to control whether policy hashing is used

Signed-off-by: John Johansen <john.johansen@canonical.com>
Acked-by: Tyler Hicks <tyhicks@canonical.com>
Acked-by: Seth Arnold <seth.arnold@canonical.com>
diff --git a/security/apparmor/lsm.c b/security/apparmor/lsm.c
index 2660fbc..656b97c 100644
--- a/security/apparmor/lsm.c
+++ b/security/apparmor/lsm.c
@@ -669,6 +669,10 @@
 module_param_call(mode, param_set_mode, param_get_mode,
 		  &aa_g_profile_mode, S_IRUSR | S_IWUSR);
 
+/* whether policy verification hashing is enabled */
+bool aa_g_hash_policy = CONFIG_SECURITY_APPARMOR_HASH_DEFAULT;
+module_param_named(hash_policy, aa_g_hash_policy, aabool, S_IRUSR | S_IWUSR);
+
 /* Debug mode */
 bool aa_g_debug;
 module_param_named(debug, aa_g_debug, aabool, S_IRUSR | S_IWUSR);