[Xen-devel] EPT initialization for domain U

2016-12-20 Thread
Hi, I really want to know when the ept (extended page table) for domain U is initialized and comes into use in xen. I already know the do_domctl() function can create domain U by handling the hypercall XEN_DOMCTL_createdomain. It actually initialize some data structures of ept such as default memo

Re: [Xen-devel] Intentional EPT Misconfigurations in xen

2016-12-01 Thread
cause EPT Misconfigurations any more when the memory type is changed by guest? Thanks 2016-11-28 18:02 GMT+08:00 Andrew Cooper : > On 28/11/16 08:44, 唐伟文 wrote: > > Hi, > > I have a question that why dose xen hypervisor set entry of ept as invalid > (misconfigured) deliberat

[Xen-devel] Intentional EPT Misconfigurations in xen

2016-11-28 Thread
Hi, I have a question that why dose xen hypervisor set entry of ept as invalid (misconfigured) deliberately which will cause VM exit resulting from EPT Misconfigurations. http://xenbits.xenproject.org/gitweb/?p=xen.git;a=commit;h=aa9114edd97b292cd89b3616e3f2089471fd2201 I find the answer in this w