Merge tag 'lsm-pr-20251201' of git://git.kernel.org/pub/scm/linux/kernel/git/pcmoore/lsm

Pull LSM updates from Paul Moore:

- Rework the LSM initialization code

What started as a "quick" patch

Merge tag 'lsm-pr-20251201' of git://git.kernel.org/pub/scm/linux/kernel/git/pcmoore/lsm

Pull LSM updates from Paul Moore:

- Rework the LSM initialization code

What started as a "quick" patch to enable a notification event once
all of the individual LSMs were initialized, snowballed a bit into a
30+ patch patchset when everything was done. Most of the patches, and
diffstat, is due to splitting out the initialization code into
security/lsm_init.c and cleaning up some of the mess that was there.
While not strictly necessary, it does cleanup the code signficantly,
and hopefully makes the upkeep a bit easier in the future.

Aside from the new LSM_STARTED_ALL notification, these changes also
ensure that individual LSM initcalls are only called when the LSM is
enabled at boot time. There should be a minor reduction in boot times
for those who build multiple LSMs into their kernels, but only enable
a subset at boot.

It is worth mentioning that nothing at present makes use of the
LSM_STARTED_ALL notification, but there is work in progress which is
dependent upon LSM_STARTED_ALL.

- Make better use of the seq_put*() helpers in device_cgroup

* tag 'lsm-pr-20251201' of git://git.kernel.org/pub/scm/linux/kernel/git/pcmoore/lsm: (36 commits)
lsm: use unrcu_pointer() for current->cred in security_init()
device_cgroup: Refactor devcgroup_seq_show to use seq_put* helpers
lsm: add a LSM_STARTED_ALL notification event
lsm: consolidate all of the LSM framework initcalls
selinux: move initcalls to the LSM framework
ima,evm: move initcalls to the LSM framework
lockdown: move initcalls to the LSM framework
apparmor: move initcalls to the LSM framework
safesetid: move initcalls to the LSM framework
tomoyo: move initcalls to the LSM framework
smack: move initcalls to the LSM framework
ipe: move initcalls to the LSM framework
loadpin: move initcalls to the LSM framework
lsm: introduce an initcall mechanism into the LSM framework
lsm: group lsm_order_parse() with the other lsm_order_*() functions
lsm: output available LSMs when debugging
lsm: cleanup the debug and console output in lsm_init.c
lsm: add/tweak function header comment blocks in lsm_init.c
lsm: fold lsm_init_ordered() into security_init()
lsm: cleanup initialize_lsm() and rename to lsm_init_single()
...

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lsm: split the notifier code out into lsm_notifier.c

In an effort to decompose security/security.c somewhat to make it less
twisted and unwieldy, pull out the LSM notifier code into a new file
as it

lsm: split the notifier code out into lsm_notifier.c

In an effort to decompose security/security.c somewhat to make it less
twisted and unwieldy, pull out the LSM notifier code into a new file
as it is fairly well self-contained.

No code changes.

Reviewed-by: Kees Cook <kees@kernel.org>
Reviewed-by: John Johansen <john.johansen@canonical.com>
Reviewed-by: Casey Schaufler <casey@schaufler-ca.com>
Reviewed-by: Mimi Zohar <zohar@linux.ibm.com>
Signed-off-by: Paul Moore <paul@paul-moore.com>

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