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Subject: Re: [PATCH v21 07/12] landlock: Support filesystem access-control
To:     James Morris <jmorris@namei.org>
Cc:     linux-kernel@vger.kernel.org,
        "Serge E . Hallyn" <serge@hallyn.com>,
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        =?UTF-8?Q?Micka=c3=abl_Sala=c3=bcn?= <mic@linux.microsoft.com>
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Date:   Wed, 14 Oct 2020 20:52:08 +0200
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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.