[Rpm-maint] [rpm-software-management/rpm] RFC: Add x86-64 architecture levels (v2-v4) as architectures (PR #2315)

[Fabian Vogt]

> > FWICT, the auxiliary vector for HWCAPS is no longer really used and applications (including glibc, gcc runtime code) have to resort to methods like this instead.
> 
> It's one thing for gcc and glibc getting their hands dirty with details and maybe to always get the latest info you need to do it yourself, but we're not _that_ leading edge here.
> 
> Got any pointers indicating hwcaps being deprecated? I haven't looked at details but I remember fairly recent activity around HWCAPS, such as https://sourceware.org/pipermail/libc-alpha/2020-May/113757.html.

I meant `AT_HWCAP`s for x86_64, which just stopped being extended with new features at some point. `AT_HWCAP` has only pre-x86_64 features and `AT_HWCAP2` has just `HWCAP2_RING3MWAIT` and `HWCAP2_FSGSBASE` . On arm64 and riscv it's much more useful instead.



-- 
Reply to this email directly or view it on GitHub:
https://github.com/rpm-software-management/rpm/pull/2315#issuecomment-1343970204
You are receiving this because you are subscribed to this thread.

Message ID: <rpm-software-management/rpm/pull/2315/c1343970204 at github.com>
-------------- next part --------------
An HTML attachment was scrubbed...
URL: <http://lists.rpm.org/pipermail/rpm-maint/attachments/20221208/20a374c5/attachment.html>