Re: [PATCH v3 06/17] hw/sd/sdcard: Do not store vendor data on block drive (CMD56)

[Fabiano Rosas]

Peter Xu <peterx@redhat.com> writes:

> On Thu, Jul 11, 2024 at 11:44:08AM -0300, Fabiano Rosas wrote:
>> But of course, that means we cannot claim to support all kinds of
>> forward migrations anymore. Only those in the 6 year period.
>
> That "6 years" comes from machine type deprecation period, and migration
> compatibility is mostly only attached to machine types, and we only ever
> allowed migration with the same machine type.
>
> It means, >6 years migration will never work anyway as soon as we start to
> deprecate machine types (irrelevant of any reuse of UNUSED), because the >6
> years machine types will simply be gone.. See configuration_post_load(),
> where it'll throw an error upfront when machine type mismatched.

Yes, duh! What am I talking about...