On Thu, Feb 08, 2024 at 04:49:44PM +0000, Daniel P. Berrangé wrote:
On Thu, Feb 08, 2024 at 08:35:12AM -0800, Andrea Bolognani wrote:
> > > AFAICT there's no x86_64 (or ppc64, or s390x, or ...) machine type
> > > that can use CPU clusters.
> >
> > I believe x86 should be gaining CPU cluster support in QEMU, though
> > the current patch is suggesting to call them 'modules' when
configuring
> > the guest, just to absolutely maximise confusion when linux calls
> > them 'clusters'.
>
> Lovely. Any chance we're still in time to prevent that specific
> trainwreck from happening?
I'm trying to discourage it, though their latest reply actually
indicates they want to report 'clusters' and 'modules' as distinct
concepts, so we've got even more to do on libvirt side :-)
https://lists.nongnu.org/archive/html/qemu-devel/2024-02/msg00052.html
It doesn't sound quite as bad then. Better than overloading an
existing term with new meaning, that's for sure. The whole CPU
topology hierarchy has gotten way beyond silly a long time ago
anyway :)
--
Andrea Bolognani / Red Hat / Virtualization