Re: [PATCH v4] virt: vmgenid: introduce driver for reinitializing RNG on VM fork

[Alexander Graf <graf@amazon.com>]

On 25.02.22 16:43, Jason A. Donenfeld wrote:
>
> Hi Alex,
>
> On Fri, Feb 25, 2022 at 04:22:54PM +0100, Alexander Graf wrote:
>> I don't understand the rush here. This had been sitting on the ML for 1
>> year - and now suddenly talking the match through properly and getting
>> VMGenID spec compatible matching support into the ACPI core is a
>> problem? What did I miss? :)
> I don't think this is a question about speed. Ard doesn't like the spec.
> You like the feature more than you dislike the spec. Apparently that
> means there's a disagreement.
>
> As I mentioned earlier, I'd encourage you to send a patch to the ACPI
> people and let them decide. If that gets in, then I'm fine with
> modifying vmgenid to meet the spec and take advantage of the change
> you'll be making to the ACPI code. If it is rejected by the ACPI people,
> and consequently Linux isn't able to match on _CID, then I guess we'll
> have the next best thing, which is "well, it still works on QEMU."
> Hopefully you'll convince them. Feel free to CC me on that patch.


I agree with that approach and CC'ed you on the ACPI patch :). Let's 
explore all options to match against _CID before we give up.


Alex





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