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Diffstat (limited to 'recipes-extended/xen/README')
| -rw-r--r-- | recipes-extended/xen/README | 53 |
1 files changed, 53 insertions, 0 deletions
diff --git a/recipes-extended/xen/README b/recipes-extended/xen/README index 34e79774..b9117f0c 100644 --- a/recipes-extended/xen/README +++ b/recipes-extended/xen/README @@ -25,6 +25,9 @@ Select the config settings that you want and Save the file. If you save it to the default ".config" file when prompted by menuconfig, you can find it in the 'xen' subdirectory of the build tree. +Configuration fragments are also supported. To use them you need to list the +.cfg files in the SRC_URI. + security patches ---------------- @@ -33,3 +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. |