Re: [RFC PATCH v2 00/11] x86: Support Intel Key Locker

From: Bae, Chang Seok
Date: Mon Dec 06 2021 - 16:48:23 EST


On May 18, 2021, at 10:10, Andy Lutomirski <luto@xxxxxxxxxx> wrote:
> On 5/17/21 11:21 AM, Bae, Chang Seok wrote:
>> On May 15, 2021, at 11:01, Andy Lutomirski <luto@xxxxxxxxxx> wrote:
>>>
>>> I have high-level questions:
>>>
>>> What is the expected use case?
>>
>> The wrapping key here is only used for new AES instructions.
>>
>> I’m aware of their potential use cases for encrypting file system or disks.
>
> I would like to understand what people are actually going to do with
> this. Give me a user story or two, please. If it turns out to be
> useless, I would rather not merge it.

Hi Andy,

V3 was posted here with both cover letter and code changes to address this:
https://lore.kernel.org/lkml/20211124200700.15888-1-chang.seok.bae@xxxxxxxxx/

Appreciate, if you can comment on the use case at least.

Thanks,
Chang