Re: [PATCH v21 07/12] landlock: Support filesystem access-control

From: Mickaël Salaün
Date: Wed Oct 14 2020 - 14:52:21 EST



On 14/10/2020 20:07, James Morris wrote:
> On Thu, 8 Oct 2020, Mickaël Salaün wrote:
>
>> +config ARCH_EPHEMERAL_STATES
>> + def_bool n
>> + help
>> + An arch should select this symbol if it does not keep an internal kernel
>> + state for kernel objects such as inodes, but instead relies on something
>> + else (e.g. the host kernel for an UML kernel).
>> +
>
> This is used to disable Landlock for UML, correct?

Yes

> I wonder if it could be
> more specific: "ephemeral states" is a very broad term.
>
> How about something like ARCH_OWN_INODES ?

Sounds good. We may need add new ones (e.g. for network socket, UID,
etc.) in the future though.