Re: [meta-virtualization][PATCH v2 4/6] xen, xen-tools: Document the version update process in README

["Bertrand Marquis" <bertrand.marquis@arm.com>]

Hi,

> On 15 Apr 2021, at 00:39, Christopher Clark via lists.yoctoproject.org <christopher.w.clark=gmail.com@lists.yoctoproject.org> wrote:
>
> Describes the versions of Xen to be included in meta-virtualization
> and recipe maintenance in release branches.
>
> Signed-off-by: Christopher Clark <christopher.w.clark@gmail.com>
Reviewed-by: Bertrand Marquis <bertrand.marquis@arm.com>

Cheers
Bertrand

> ---
> recipes-extended/xen/README | 50 +++++++++++++++++++++++++++++++++++++
> 1 file changed, 50 insertions(+)
>
> diff --git a/recipes-extended/xen/README b/recipes-extended/xen/README
> index f286bb5..b9117f0 100644
> --- a/recipes-extended/xen/README
> +++ b/recipes-extended/xen/README
> @@ -36,3 +36,53 @@ as XSAs (http://xenbits.xen.org/xsa/). The easiest way to include those is to
> drop patches in 'recipes-extened/xen/files' and create a bbappend adding those
> patches to SRC_URI and they will be applied. Alternatively, you can override
> the SRC_URI to a git repo you provide that contains the patches.
> +
> +recipe maintenance
> +------------------
> +
> +# Xen version update
> +
> +The following rules shall be followed to define which versions of Xen have
> +recipes in meta-virtualization:
> +
> +- Before a Yocto release meta-virtualization shall have recipes for:
> +    - the latest stable major version of Xen, and
> +
> +    - the current version of the Xen master branch (known as the git recipes)
> +
> +    - In addition, there may also be recipes included for the previous stable
> +      major version of Xen, in the case where the latest stable major version
> +      is new and the prior stable major version of Xen is to be the preferred
> +      version for the Yocto release
> +
> +- On Yocto LTS and the latest stable Yocto release branch, the preferred Xen
> +  major version that is present when the Yocto release is issued must stay
> +  supported and the recipes shall be regularly updated to follow updates
> +  available in the Xen stable branch for that Xen major release.
> +
> +- On Yocto LTS and the latest stable Yocto release branch, the recipes for the
> +  latest Xen major version shall also be regularly updated to follow updates
> +  available in the Xen stable branch for that Xen major release.
> +
> +- On the master / in-development Yocto branch, new Xen recipes shall be added
> +  when there is a new Xen major release.
> +
> +    - depending on the timing of the next Yocto release, the new recipes may
> +      be preferred, or the prior major version recipes may remain preferred
> +      until after the Yocto release
> +
> +    - the recipes for the previous Xen stable major version shall be removed
> +      from the branch when it is no longer the preferred Xen version
> +
> +- On Yocto LTS and the latest stable Yocto release branch, new Xen recipes
> +  shall be added when there is a new Xen major release.
> +
> +    - The preferred version of the Xen recipes shall always stay at the same
> +      Xen major version once a Yocto release has been issued, and shall receive
> +      regular updates to track the stable Xen branch of that Xen release.
> +
> +    - When new Xen recipes are added to a Yocto branch for a new Xen major
> +      version, then any older Xen recipes present, except for the original
> +      preferred version recipes, shall be marked as not updated anymore by
> +      adding a comment inside the recipes. The older recipes will not receive
> +      any build tests or be updated to follow the Xen branch.
> --
> 2.25.1
>
>
> 
>

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