Re: [PATCH 3/3] sev: update sev-inject-launch-secret to make gpa optional

[Tom Lendacky <thomas.lendacky@amd.com>]

On 12/11/20 4:45 PM, James Bottomley wrote:
> On Fri, 2020-12-11 at 16:00 -0600, Tom Lendacky wrote:
>> On 12/9/20 11:23 AM, James Bottomley wrote:
> 
> So for this one I'm not checking the length, which argues it wouldn't
> be subject to the added length new data rule and I'd have to use a new
> guid for new information.  However, I could also see situations where
> you would check the length and thus would have the ability to add
> fields (either at the beginning or the end).

I think this paragraph explains it nicely and a slightly expanded comment 
with this information would be enough.

Thanks,
Tom


> 
>> Whatever we decide should probably be documented in both the OVMF
>> patches and the Qemu patches.
> 
> OK, I can add a comment about my use case and you can add one
> documenting your length based use case.
> 
> James
> 
>