On Friday, 21 June 2024 at 01:47, Gary Buhrmaster wrote: > On Wed, Jun 19, 2024 at 8:39 AM Neal Gompa <ngompa13@xxxxxxxxx> wrote: [...] > I will also note that since that -v1 desktop/laptop > systems of the legacy architecture do not support > EPT, If you mean Extended Page Table here, then Wikipedia[1] says it was introduced in 2010 with the Westmere[2] micro-architecture. [1] https://en.wikipedia.org/wiki/Second_Level_Address_Translation#EPT [2] https://en.wikipedia.org/wiki/Westmere_(microarchitecture) I don't know any way to tell if my Cedar View Atom D2550 CPU from 2012 supports it or not. Not that I'd want to run QEMU on it. > even native architecture virtualization is > extremely poor performance wise, which is why I > don't care about qemu on -v1 systems (and don't > have it installed on my -v1 system). If qemu is > compiled as -v2+ only I would never notice the > difference on that system as I don't even install > it on that system (although I would, presumably, > see the performance enhancements on my > -v2+ desktop). +1 > > * RPM now lets us "tell the truth" about what x86_64 sublevel we > > expect > > And if compiling qemu with -v2 has a performance > benefit, that seems to be a positive path forward. +1. Just build it with --target x86_64_v2 and announce it widely. -1 to building all Fedora as v2. Regards, Dominik -- Fedora https://fedoraproject.org Deep in the human unconscious is a pervasive need for a logical universe that makes sense. But the real universe is always one step beyond logic. -- from "The Sayings of Muad'Dib" by the Princess Irulan -- _______________________________________________ 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, report it: https://pagure.io/fedora-infrastructure/new_issue
