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From: | Tom Lendacky |
Subject: | Re: [PATCH 3/3] sev: update sev-inject-launch-secret to make gpa optional |
Date: | Fri, 11 Dec 2020 16:54:59 -0600 |
User-agent: | Mozilla/5.0 (X11; Linux x86_64; rv:68.0) Gecko/20100101 Thunderbird/68.10.0 |
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
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