[PATCH 1/2] LSM: switch to blocking policy update notifiers

[Casey Schaufler]

On 6/5/2019 9:51 AM, Janne Karhunen wrote:
> On Wed, Jun 5, 2019 at 6:23 PM Casey Schaufler <casey at schaufler-ca.com> wrote:
>
>>> -int call_lsm_notifier(enum lsm_event event, void *data);
>>> -int register_lsm_notifier(struct notifier_block *nb);
>>> -int unregister_lsm_notifier(struct notifier_block *nb);
>>> +int call_blocking_lsm_notifier(enum lsm_event event, void *data);
>>> +int register_blocking_lsm_notifier(struct notifier_block *nb);
>>> +int unregister_blocking_lsm_notifier(struct notifier_block *nb);
>> Why is it important to change the names of these hooks?
>> It's not like you had call_atomic_lsm_notifier() before.
>> It seems like a lot of unnecessary code churn.
> Paul was thinking there will eventually be two sets of notifiers
> (atomic and blocking) and this creates the clear separation.

One hook with an added "bool blocking" argument, if
that's the only difference?

>  That's
> probably true, but it does indeed create a pretty big change that it
> is not really needed yet. I'm fine either way.
>
>
> --
> Janne