Re: [libvirt] [PATCH] cpu: Add Intel Haswell cpu model

On 11/22/12 15:52, Martin Kletzander wrote: > On 11/22/2012 03:05 PM, Peter Krempa wrote:

> According to the qemu patch, the model should be only adding features, > but I see rdtscp disappeared between SandyBridge and Haswell. The > question is whether this is QEMU bug or not, do you have any info on > that? If not, maybe we should cross-post ask in qemu-devel. > > We also include 'sep' and 'fpu' on top of these things, but I recall > some conversation about qemu dropping 'sep' from some models lately, but > I have no idea about 'fpu' flag handling there either. Thanks for pointing that out on the qemu-devel list: https://lists.gnu.org/archive/html/qemu-devel/2012-11/msg02400.html