[Date Prev][Date Next][Thread Prev][Thread Next][Date Index][Thread Index] Re: [Xen-devel] XSA-60 solutions
>>> On 09.10.13 at 12:41, "Liu, Jinsong" <jinsong.liu@xxxxxxxxx> wrote: > Another point is, for shadow, currently Xen drop all shadows so that any new > ones would be created on demand with UC. It works safely for XSA-60, but > seems > not good enough. We can still use IA32_PAT to solve it, not touch shadow page > table itself. Tim, any though on this? > One thing I need more confirm from AMD side: iirc, AMD IOMMU always works > with snooped so cache cohernecy has been guaranteed, so no need do anything > for guest cr0.cd setting, no matter shadow or NPT, right? If yes, most code > could be done w/ Intel specific. Iirc SVM allows the guest to run with CR0.CD set. Whether that's entirely valid to do I'm not certain, but I suppose it's at least to some degree due to the major inhibiting factor (hyperthreads) not existing there. Jan _______________________________________________ Xen-devel mailing list Xen-devel@xxxxxxxxxxxxx http://lists.xen.org/xen-devel
|
Lists.xenproject.org is hosted with RackSpace, monitoring our |