On Tue, Jul 02, 2019 at 10:47:17AM +0100, Daniel P. Berrangé wrote: > On Thu, Jun 27, 2019 at 09:28:44PM -0300, Eduardo Habkost wrote: > > Add new version of Cascadelake-Server CPU model, setting > > stepping=5 and enabling the IA32_ARCH_CAPABILITIES MSR > > with some flags. > > > > The new feature will introduce a new host software requirement, > > breaking our CPU model runnability promises. This means we can't > > enable the new CPU model version by default in QEMU 4.1, because > > management software isn't ready yet to resolve CPU model aliases. > > This is why "pc-*-4.1" will keep returning Cascadelake-Server-v1 > > if "-cpu Cascadelake-Server" is specified. > > Hmm, yes, we don't actually need to answer the question I > raised in the earlier patch for another 2 releases yet, > as we'll be sticking with v1 for all machines for a while.
After these 2 releases have passed, we'll set default version to CPU_VERSION_LATEST. I don't see the need to set per-model defaults. -- Eduardo