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This patch converts IMA and EVM to use the LSM frameworks's initcall mechanism. It moved the integrity_fs_init() call to ima_fs_init() and evm_init_secfs(), to work around the fact that there is no "integrity" LSM, and introduced integrity_fs_fini() to remove the integrity directory, if empty. Both integrity_fs_init() and integrity_fs_fini() support the scenario of being called by both the IMA and EVM LSMs. This patch does not touch any of the platform certificate code that lives under the security/integrity/platform_certs directory as the IMA/EVM developers would prefer to address that in a future patchset. Signed-off-by: Roberto Sassu <roberto.sassu@huawei.com> Acked-by: Mimi Zohar <zohar@linux.ibm.com> [PM: adjust description as discussed over email] Signed-off-by: Paul Moore <paul@paul-moore.com>