Messages in this thread | | | Date | Wed, 29 Jul 2009 17:07:58 +0300 | From | Avi Kivity <> | Subject | Re: [PATCH 0/12] Nested SVM cleanups |
| |
On 07/29/2009 04:58 PM, Joerg Roedel wrote: > On Wed, Jul 29, 2009 at 04:59:48PM +0300, Avi Kivity wrote: > >> On 07/29/2009 04:48 PM, Joerg Roedel wrote: >> >>> Performance isn't too bad even without this. At least if the host >>> supports nested paging :) But shadow nested paging should give nested >>> svm a real boost, thats very true. >>> >> Well, any workload that benefits from npt would benefit from nnpt a >> lot more. >> > > Most complicated part will be the two dimensional software page walker. > That will be a somewhat intrusive change (at least if I do it without > code duplication). But lets see how challenging this will become... >
I think if you change the memory accessors to go through kvm_read_guest_virt() again, you'll get it almost for free. You'll need to supply a context so the accessors know which level you're accessing.
-- error compiling committee.c: too many arguments to function
| |