Date: Sat, 11 May 2024 01:51:47 +0200 From: Moin Rahman <bofh@freebsd.org> To: henrichhartzer@tuta.io Cc: Freebsd Arch <freebsd-arch@freebsd.org> Subject: Re: Disabling COMPAT_FREEBSD4/5/6/7/9 in default kernel configurations Message-ID: <3190A201-A742-4579-8EC3-A99F168B599F@freebsd.org> In-Reply-To: <NxZrrMD--3-9@tuta.io> References: <NxZrrMD--3-9@tuta.io>
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--Apple-Mail=_3E4222DF-BA85-4C8D-AE74-6494331191FE Content-Transfer-Encoding: quoted-printable Content-Type: text/plain; charset=us-ascii > On May 11, 2024, at 1:38 AM, henrichhartzer@tuta.io wrote: >=20 > Hi everyone, >=20 > Warner suggested that I run this by the list. In 2018, a bug report = was made for disabling COMPAT_FREEBSD4/5/6/7/9 (there's no 8). 6 years = later, I imagine this would be as good of a time as any to do this if = there's no obvious problems doing so. >=20 > Here's the bug report: = https://bugs.freebsd.org/bugzilla/show_bug.cgi?id=3D231768 >=20 > And a pull request in the spirit of the original patch: = https://github.com/freebsd/freebsd-src/pull/1228 >=20 > I imagine if this sounds like a good idea, it would land in 15.0. = Users could always recompile kernels with the old ABI functionality as = needed. I feel like we're all a little curious if anything still uses = this, and making this kind of change is probably the best way to find = out. >=20 > In my opinion, if all goes well, it may be wise to remove the old code = in the next major version. Could do the full list, or just FreeBSD 4 and = 5 compatibility, for instance. Barring notable negative feedback, of = course. >=20 > There were some concerns about Rust, but it sounds like it uses (or = used?) FreeBSD 10.X features, which this patch does not remove. On that = topic: https://github.com/rust-lang/rust/issues/89058 >=20 > Long term, it might be a good idea to enable support for EOL-1, and = maybe remove code for EOL-2, of course a less aggressive policy is also = possible (EOL-2 and EOL-3?). Getting out of the single digit FreeBSD = versions should be a good start, though! >=20 > Appreciate any feedback on this and hopefully we can reach some kind = of consensus on how to proceed in 2024. >=20 > Thank you! >=20 > -Henrich >=20 Hi, Just to clarify that before doing so we have to kill some ports as they will need various misc/compat[4-9]x ports which are dependent on these kernel features. List of ports to be affected: misc/compat4x and emulators/vgba-bin, sysutils/hpacucli misc/compat5x and emulators/mastergear, emulators/vgb-bin, = emulators/vgba-bin, graphics/xnview, net/dhcperf, sysutils/hpacucli misc/compat6x misc/compat7x misc/compat8x and www/thundercache. misc/compat9x misc/compat9x and audio/optimfrog, audio/optimfrog-sse2, misc/compat8x My killing spree for older ports seemed to be proving futile and aggressive and I no longer work on killing outdated and old ports but these ports should be killed or IGNORED before removing these features from the tree. Kind regards, Moin --Apple-Mail=_3E4222DF-BA85-4C8D-AE74-6494331191FE Content-Transfer-Encoding: 7bit Content-Disposition: attachment; filename=signature.asc Content-Type: application/pgp-signature; name=signature.asc Content-Description: Message signed with OpenPGP -----BEGIN PGP SIGNATURE----- iQKTBAEBCgB9FiEETfdREoUGjQZKBS+fvbm1phfAvJEFAmY+sxNfFIAAAAAALgAo aXNzdWVyLWZwckBub3RhdGlvbnMub3BlbnBncC5maWZ0aGhvcnNlbWFuLm5ldDRE Rjc1MTEyODUwNjhEMDY0QTA1MkY5RkJEQjlCNUE2MTdDMEJDOTEACgkQvbm1phfA vJF3UhAAl86Sjz78jDtwjwEkTa+c5pIrWundUkKd9KcC2U/PqGycxD03EnKKuS+H QU7LaYVV9aZhU4Fnt+TbC2zYQwIljZQ3b8svoGFH8tMsHOjH6rmf22YLo1ShIfri UTlMVMgHIoiiydvJdOOIXdSzhy0Ww+gQIMlWMkdl/wuDTAAJtCU2pUAxWWm3+7Hk of99sBANm8EwkqKjtn0k7maVmK15t11SGdIlwnq1rtSa/DzfqEEXFcu1f+wbBF4K aBoDlBlOL33yBw3DfiJ/iRLXFt4LI259OPOoDQQgdm0xsHq/Ww2DHorpNLMyp0r/ pewnC2MoHf5c7RbIKSHxWZQIwOHqRjDeHUHZ6K14WyuarPu8G5XjydnhY+GY/wSg RfyLrx8iBZxk9z6qdeh6jYOfzXRkI00X1JiUh9G+GPJoG9cu1kBWOmwPQp6DnxGu 085HtORQj+x0Vopcy6VQeEm2zE6GyYfxxncoVcDsCN2MDnUuiIjbGkIQfCvp055B CtHum1WsIxui0kVo05LzkJIHyzCICc1iJzbJGD9mfli6TSgEwZOD2IpjCejSmhMl yWjFmig320wsI/m43vpG454VI7c2jSrc1cout3LCDK5CkbrY0FhyrwgWy3afFKk3 C9Oa2SOjK94Z6WTNofHKTjNikmril+vaeQ32khsY8uq7ZgfGXMo= =6Z56 -----END PGP SIGNATURE----- --Apple-Mail=_3E4222DF-BA85-4C8D-AE74-6494331191FE--
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