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Or the way resctrl uses kernfs? > > I am not seeing this but that may be because I am not testing with > selinux enabled. My test kernel has: > # CONFIG_SECURITY_SELINUX is not set > > I am also not running with any btrfs filesystems. > > Is this your usual setup in which you are seeing this the first time? Is it > perhaps possible for you to bisect? > > The subject states "resctrl mount fail" - could you please confirm if > resctrl cannot be mounted in addition to the lockdep warning? > > Reinette > I can reproduce the issue with CONFIG_PROVE_LOCKING=y CONFIG_PROVE_RAW_LOCK_NESTING=y CONFIG_PROVE_RCU=y and SELINUX enabled. Thanks. -Fenghua