Re: [Xen-devel] [PATCH v19 05/11] x86/mm: add HYPERVISOR_memory_op to acquire guest resources

2018-04-03 Thread Paul Durrant
> -Original Message- > From: Julien Grall [mailto:julien.gr...@arm.com] > Sent: 03 April 2018 15:05 > To: Paul Durrant ; xen-devel@lists.xenproject.org > Cc: George Dunlap ; Andrew Cooper > ; Ian Jackson

Re: [Xen-devel] [PATCH v19 05/11] x86/mm: add HYPERVISOR_memory_op to acquire guest resources

2018-04-03 Thread Julien Grall
Hi Paul, On 29/03/18 16:36, Paul Durrant 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:

[Xen-devel] [PATCH v19 05/11] x86/mm: add HYPERVISOR_memory_op to acquire guest resources

2018-03-29 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