Re: [Qemu-devel] [PATCH 0/2] target-i386: "custom" CPU model + script to dump existing CPU models

[Michael S. Tsirkin]

On Tue, Jun 23, 2015 at 02:42:37PM -0300, Eduardo Habkost wrote:
> On Tue, Jun 23, 2015 at 07:29:15PM +0200, Andreas Färber wrote:
> > In summary you seem to be saying that all the years we have spent
> > fiddling around with those mind-boggling compat_props in QEMU were in
> > vain because libvirt now wants to start their own versioning system to
> > give users more degrees of freedom even when you can't articulate a
> > single concrete reason why users may want to do so.
> 
> I had a similar reaction when I learned about this libvirt
> expectation/requirement I was never aware of. But "we spent lots of
> effort trying to do things differently" doesn't seem like a valid
> justification for design decision.

"Users will be hurt because they'll run untested configurations"
seems like a valid reason.

> -- 
> Eduardo