Re: [Qemu-devel] Ideas wiki for GSoC 2010

Jason
2010-03-16T16:34:06Z

Avi Kivity <avi <at> redhat.com> writes:

>
> On 03/16/2010 02:20 AM, Jason wrote:
> >
> > In comparing KVM 2.6.31.6b to XenServer 5.5.0, it seems KVM has fewer overall
> > VMREADs and VMWRITEs, but there are a lot of VMWRITEs to Host FS_SEL, Host
> > GS_SEL, Host FS_BASE, and Host GS_BASE that don't appear in Xen.
>
> Ugh, these should definitely be eliminated, they keep writing the same
> value most of the time.
>

Sorry, I forgot to mention it would also be nice to reduce the unconditional
writes to Host CR0 if the TS issue can still be dealt with.