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

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.