> A single kernel release seems sufficient.  It gives the maintainers of such
> code time to hear about the breakage and time to fix it.

Users don't report warnings generally. They won't even see modprobe
warnings or anything in dmesg. Short of using their sound card to scream
"Next release you are screwed" they won't notice (and if you the sound
card trick they'll think they got rooted....)

Alan