Re: FreeBSD 14: Poll armv6 deprecated or removed
- Reply: Warner Losh : "Re: FreeBSD 14: Poll armv6 deprecated or removed"
- In reply to: Warner Losh : "Re: FreeBSD 14: Poll armv6 deprecated or removed"
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Date: Tue, 13 Dec 2022 19:23:53 UTC
On Tue, Dec 13, 2022 at 10:48 AM Warner Losh <firstname.lastname@example.org> wrote: > Sorry for the lag of a year, it's been a crazy time for me and this fell > through the cracks. > > On Thu, Oct 28, 2021 at 9:37 AM Warner Losh <email@example.com> wrote: > >> Greetings, >> >> Given that the number of available and useful armv6 boards has fallen to >> almost zero, the time has come to look hard at armv6. >> >> There's a number of options. >> >> 1. Keep it as is. This will only happen if there's a lot more users than >> we think (and we think there's nearly zero users of FreeBSD 13 and newer >> that would want to run FreeBSD 14). >> >> 2. Stop building packages. Given it's small to non-existent user base, it >> makes no sense to provide a package building service for it. >> 2a. We should likely do this anyway for all stable branches since it's a >> net negative in terms of cost/benefit analysis: lots of effort to produce, >> very little use. >> >> 3. Disconnect it from universe: This will mean it will rot, though. It's >> a necessary step in removal. >> >> 4. Remove support for armv6 in base entirely. This will orphan any RPiB >> and RPi0 users out there. However, the RPiB hasn't been sold in a few >> years, and the RPI0's connectivity is severely lacking given no SDIO >> support. >> >> So, which of these steps do we do before FreeBSD 14 and which before >> FreeBSD 15? >> >> My vote would be to do 1-4 for 14 including 2a. >> > > After discussing this offline and distilling the responses here, on IRC, > etc, I'd like to propose we do the following: > > (1) Stop building packages for armv6 entirely, on all branches. While > there are some users, they can still use poudriere to build package sets > themselves. Usage data suggests there's not enough demand for these > packages. > (2) Move armv6 to an 'EXTRA' target in make universe (eg make universe > EXTRA_TARGETS=t). Powerpc does this today with powerpcspe since it's not > completely supported in base. People that care can continue to build it as > part of universe and we'll fix things that are broken, reported to us and > have patches that don't regress other platforms. > (3) After the stable/14 branch next May or June, we'll remove build > support from ports (very little) and src. We'll also start to tear down > armv6 support as we see it and are working in other areas, and expect that > work to be done before stable/15 is branched in a predicted 2025. > (4) Immediately stop including armv6 -current snapshots as generated by re@ > . > (5) re@ won't create armv6 release images or artifacts for stable/14, > 14.0, etc. Users wishing to build it can do so. > Oh, and #6: Demote armv6 (but not armv7) to tier 3. It's been kinda de-facto there for a while anyway, and this will make the signalling clear that the runway for armv6 is running out. > I've send email to re@ asking about #4 and #5. > > Warner >