On Tue, Jun 15, 2021 at 11:35 PM Neal Gompa <ngompa13@xxxxxxxxx> wrote: > > Hey all, > > Earlier this week, I was helping with processing features for openSUSE > Leap 15.4[1] and I discovered that they're planning on introducing > x86_64-v2 to openSUSE soon. The reference for this change was that > RHEL 9 is going to use x86_64-v2[2]. Additionally, other distributions > have been considering bumping up to v2 or v3[3][4]. > > Some cursory examination of the new x86_64 sublevels seem to indicate > that x86_64-v2 goes back to roughly 2007~2008, merely cutting off the > first couple of generations of x86_64 CPUs from Intel and AMD. I > personally don't have any computers that don't have support for > x86_64-v2 anymore. > > Does anyone know if anyone is planning to propose this for Fedora > anytime soon, either as an addon architecture (like what Arch is > doing) or an upgrade of our x86_64 baseline like RHEL is doing? > > [1]: https://en.opensuse.org/Feature_Planning_15.4 > [2]: https://developers.redhat.com/blog/2021/01/05/building-red-hat-enterprise-linux-9-for-the-x86-64-v2-microarchitecture-level > [3]: https://ml.mageia.org/l/arc/dev/2021-02/msg00583.html > [4]: https://www.phoronix.com/scan.php?page=news_item&px=Arch-Linux-x86-64-v3-Port-RFC Uhmmmm ... you mean something like this? https://fedoraproject.org/wiki/Changes/x86-64_micro-architecture_update Rejected by FESCo two years ago: https://pagure.io/fesco/issue/2198 If I remember correctly, it was shot down pretty quickly on the devil list, because Intel still produced CPUs that do not support AVX2. Bumping the baseline to x86_64v2 would be different, since AVX is not part of that (but only x86_64v3). Different question: How is the runtime CPU feature detection / dispatch support in glibc coming along? Shouldn't this "work" by now? Fabio _______________________________________________ devel mailing list -- devel@xxxxxxxxxxxxxxxxxxxxxxx To unsubscribe send an email to devel-leave@xxxxxxxxxxxxxxxxxxxxxxx Fedora Code of Conduct: https://docs.fedoraproject.org/en-US/project/code-of-conduct/ List Guidelines: https://fedoraproject.org/wiki/Mailing_list_guidelines List Archives: https://lists.fedoraproject.org/archives/list/devel@xxxxxxxxxxxxxxxxxxxxxxx Do not reply to spam on the list, report it: https://pagure.io/fedora-infrastructure
