This email list was posted on guix-devel, I'm asking this question on help-guix, because it's a help guix question and not a guix devel question...
Mark H Weaver <[email protected]> writes: > Hi Leo, > > Thanks for asking about this, and for ably taking care of our > Linux-libre packages. I'm grateful for your work on this. > > Leo Famulari <[email protected]> writes: > >> I noticed that Linux 5.12 has a new config option regarding "Processor >> family". The default choice, Pentium-Pro (M686), is highlighted in this >> quote: >> >> ------ >> Processor family >> 1. 486SX (M486SX) (NEW) >> 2. 486DX (M486) (NEW) >> 3. 586/K5/5x86/6x86/6x86MX (M586) (NEW) >> 4. Pentium-Classic (M586TSC) (NEW) >> 5. Pentium-MMX (M586MMX) (NEW) >>> 6. Pentium-Pro (M686) (NEW) >> 7. Pentium-II/Celeron(pre-Coppermine) (MPENTIUMII) (NEW) >> 8. Pentium-III/Celeron(Coppermine)/Pentium-III Xeon (MPENTIUMIII) (NEW) >> 9. Pentium M (MPENTIUMM) (NEW) >> 10. Pentium-4/Celeron(P4-based)/Pentium-4 M/older Xeon (MPENTIUM4) (NEW) >> 11. K6/K6-II/K6-III (MK6) (NEW) >> 12. Athlon/Duron/K7 (MK7) (NEW) >> 13. Opteron/Athlon64/Hammer/K8 (MK8) >> 14. Crusoe (MCRUSOE) (NEW) >> 15. Efficeon (MEFFICEON) (NEW) >> 16. Winchip-C6 (MWINCHIPC6) (NEW) >> 17. Winchip-2/Winchip-2A/Winchip-3 (MWINCHIP3D) (NEW) >> 18. AMD Elan (MELAN) (NEW) >> 19. GeodeGX1 (MGEODEGX1) (NEW) >> 20. Geode GX/LX (MGEODE_LX) (NEW) >> 21. CyrixIII/VIA-C3 (MCYRIXIII) (NEW) >> 22. VIA C3-2 (Nehemiah) (MVIAC3_2) (NEW) >> 23. VIA C7 (MVIAC7) (NEW) >> 24. Core 2/newer Xeon (MCORE2) >> 25. Intel Atom (MATOM) >> ------ I'm kind of curious, if I were to compile my own linux kernel, and I could someone select a newer processor family, would that make my kernel a little more faster? Or would it just make my kernel image a little smaller? Also my laptop is a Lenovo T400. So it doesn't exactly have NEW features. :) >> >> info: https://cateee.net/lkddb/web-lkddb/M686.html >> >> I know that, in the past, we have been careful to not require certain >> processor features on i686, such as SSE [0]. >> >> I would appreciate some guidance, both about this kernel configuration >> option, and what we have historically considered to be the "minimum >> requirements" for i686 hardware. I will put that information the manual >> so that it doesn't get lost. > [...] >> [0] https://lists.gnu.org/archive/html/guix-devel/2016-07/msg01534.html > > It's been a long while since I looked at this, and of course we may wish > to revisit the issue, but for now, I think that the right choice above > is the default one, namely: "6. Pentium-Pro (M686) (NEW)" > > Thanks again, > Mark -- Joshua Branson (joshuaBPMan in #guix) Sent from Emacs and Gnus https://gnucode.me https://video.hardlimit.com/accounts/joshua_branson/video-channels https://propernaming.org "You can have whatever you want, as long as you help enough other people get what they want." - Zig Ziglar
