anchor.diff:        LOCK_TORTURE_TEST        = option no;
         MTD_TESTS                = option no;
         NOTIFIER_ERROR_INJECTION = option no;
  -      RCU_PERF_TEST            = option no;
  +      RCU_PERF_TEST            = whenBetween "4.13" "5.9" no;
  +      RCU_SCALE_TEST           = whenAtLeast "5.10" no;
         RCU_TORTURE_TEST         = option no;
         TEST_ASYNC_DRIVER_PROBE  = option no;
         WW_MUTEX_SELFTEST        = option no;
  
positive.code:       MODULE_SIG            = no; # r13y, generates a random key during build and bakes it in
        # Depends on MODULE_SIG and only really helps when you sign your modules
        # and enforce signatures which we don't do by default.
        SECURITY_LOCKDOWN_LSM = option no;
  
        # provides a register of persistent per-UID keyrings, useful for encrypting storage pools in stratis
        PERSISTENT_KEYRINGS              = yes;
  
negative.code: 
        F2FS_FS             = module;
        F2FS_FS_SECURITY    = option yes;
        F2FS_FS_ENCRYPTION  = whenOlder "5.1" yes;
        F2FS_FS_COMPRESSION = whenAtLeast "5.6" yes;
        UDF_FS              = module;
  
  