Messages in this thread | | | Subject | Re: [PATCH 1/7] hyperv: Detect Nested virtualization support for SVM | From | Vineeth Pillai <> | Date | Fri, 9 Apr 2021 08:23:19 -0400 |
| |
On 4/8/21 11:24 AM, Sean Christopherson wrote: > > Technically, you can use normal memory accesses, so long as software guarantees > the VMCS isn't resident in the VMCS cache and knows the field offsets for the > underlying CPU. The lack of an architecturally defined layout is the biggest > issue, e.g. tacking on dirty bits through a PV ABI would be trivial. > >> Yes, you are right. I was referring to the fact that we cant use normal >> memory accesses, but is a bit mis-worded. > If you slot in "architectural" it will read nicely, i.e. "VMCB is already an > architectural datastructure in memory". Yes, this makes sense. Thanks for the suggestion, will reword as you suggested.
Thanks, Vineeth
| |