Hi all,
For kernel guys and landing teams, I've posted some kernel-specific info on mirating to Thumb-2 here:
https://wiki.linaro.org/WorkingGroups/Kernel/Thumb2Guide
If your kernel tree isn't building in Thumb-2 yet, please do take a look. Let me know if you want more information on anything, or if you find something that's incorrect or confusing.
Cheers ---Dave