Re: [Xen-devel] [PATCH v15 05/11] x86/mm: add HYPERVISOR_memory_op to acquire guest resources

2017-12-15 Thread Jan Beulich
>>> On 14.12.17 at 18:41, wrote: > Certain memory resources associated with a guest are not necessarily > present in the guest P2M. > > This patch adds the boilerplate for new memory op to allow such a resource > to be priv-mapped directly, by either a PV or HVM tools domain. > > NOTE: Whilst th

[Xen-devel] [PATCH v15 05/11] x86/mm: add HYPERVISOR_memory_op to acquire guest resources

2017-12-14 Thread Paul Durrant
Certain memory resources associated with a guest are not necessarily present in the guest P2M. This patch adds the boilerplate for new memory op to allow such a resource to be priv-mapped directly, by either a PV or HVM tools domain. NOTE: Whilst the new op is not intrinsicly specific to the x86