Daniel P. Berrangé wrote:
> It isn't as simple as changing the CFLAGS. QEMU used to check for
> the CPU feature at startup, set a flag, and then later use that flag
> to choose different codepaths, but this logic was removed. Avoiding
> the flag check in hot-paths makes a perf difference.
>
> So we would have to revert the whole patch series in Fedora. That's
> doable today, but I'm not confident carrying a local only revert over
> time.
But it is the ONLY approach that is compatible with Fedora policies, and as
such should be required. ESPECIALLY for a package like QEMU that many people
are using.
If forward-porting the reverts stops being doable, then we will have to keep
the old version of QEMU or fork the project.
Kevin Kofler
--
_______________________________________________
devel mailing list -- devel@lists.fedoraproject.org
To unsubscribe send an email to devel-le...@lists.fedoraproject.org
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@lists.fedoraproject.org
Do not reply to spam, report it:
https://pagure.io/fedora-infrastructure/new_issue
