netdev - Re: [PATCH net-next v3 2/8] netlink: add schemas for YAML specs

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Date:   Fri, 20 Jan 2023 08:43:35 -0600
From:   Rob Herring <robh@...nel.org>
To:     Jakub Kicinski <kuba@...nel.org>
Cc:     netdev@...r.kernel.org, linux-doc@...r.kernel.org
Subject: Re: [PATCH net-next v3 2/8] netlink: add schemas for YAML specs

On Thu, Jan 19, 2023 at 6:08 PM Jakub Kicinski <kuba@...nel.org> wrote:
>
> On Thu, 19 Jan 2023 08:07:31 -0600 Rob Herring wrote:
> > > +$id: "http://kernel.org/schemas/netlink/genetlink-c.yaml#"
> > > +$schema: "http://kernel.org/meta-schemas/netlink/core.yaml#"
> >
> > There's no core.yaml. If you don't have a custom meta-schema, then
> > just set this to the schema for the json-schema version you are using.
> > Then the tools can validate the schemas without your own validator
> > class.
>
> $schema: https://json-schema.org/draft/2020-12/schema
>
> or
>
> $schema: https://json-schema.org/draft-09/schema

s/draft-09/draft\/2019-09/

Or did you mean draft-07?

> ?
>
> It seems like the documentation suggests the former but the latter
> appears widespread.

Yes, 2019-09 is generally not recommended as it had some one off
features that 2020-12 replaced (nothing you'd care about). DT uses
2019-09 because we needed unevaluatedProperties, but not 'prefixItems'
replacing 'items' list variant in 2020-12. I think you only used the
schema version of 'items' (not the list version), so you are probably
compatible with any version. 'dependencies' changing to
'dependentSchema/dependentRequired' is the other difference you might
hit.

TLDR: draft-07 is probably sufficient for your needs.

Rob