[PATCH] ima,evm: move initcalls to the LSM framework

[Mimi Zohar]

On Sun, 2025-09-07 at 21:08 -0400, Paul Moore wrote:
> On Sun, Sep 7, 2025 at 5:18 PM Mimi Zohar <zohar at linux.ibm.com> wrote:
> > 
> > On Tue, 2025-09-02 at 14:54 +0200, Roberto Sassu wrote:
> > > From: Paul Moore <paul at paul-moore.com>
> > 
> > Remove above ...
> > 
> > > 
> > > 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.
> > > 
> > > It is worth mentioning that this patch does not touch any of the
> > > "platform certs" code that lives in the security/integrity/platform_certs
> > > directory as the IMA/EVM maintainers have assured me that this code is
> > > unrelated to IMA/EVM, despite the location, and will be moved to a more
> > 
> > This wording "unrelated to IMA/EVM" was taken from Paul's patch description, but
> > needs to be tweaked.  Please refer to my comment on Paul's patch.
> 
> Minim, Roberto, would both of you be okay if I changed the second
> paragraph to read as follows:
> 
> "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."

That's fine.

> 
> > > relevant subsystem in the future.
> > > 
> > > Signed-off-by: Roberto Sassu <roberto.sassu at huawei.com>
> > 
> > Reviewed-by: Mimi Zohar <zohar at linux.ibm.com>, but not yet tested.
>