Re: [Xen-devel] [PATCH v3] xen/privcmd: add IOCTL_PRIVCMD_MMAP_RESOURCE

2018-04-10 Thread Paul Durrant
> -Original Message- > From: Boris Ostrovsky [mailto:boris.ostrov...@oracle.com] > Sent: 09 April 2018 20:19 > To: Paul Durrant ; xen-devel@lists.xenproject.org; > linux-arm-ker...@lists.infradead.org; linux-ker...@vger.kernel.org > Cc: Juergen Gross ; Thomas Gleixner > ; Ingo Molnar ; Stef

Re: [Xen-devel] [PATCH v3] xen/privcmd: add IOCTL_PRIVCMD_MMAP_RESOURCE

2018-04-09 Thread Boris Ostrovsky
On 04/09/2018 12:36 PM, Boris Ostrovsky wrote: > On 04/09/2018 05:36 AM, Paul Durrant wrote: >> My recent Xen patch series introduces a new HYPERVISOR_memory_op to >> support direct priv-mapping of certain guest resources (such as ioreq >> pages, used by emulators) by a tools domain, rather than ha

Re: [Xen-devel] [PATCH v3] xen/privcmd: add IOCTL_PRIVCMD_MMAP_RESOURCE

2018-04-09 Thread Boris Ostrovsky
On 04/09/2018 05:36 AM, Paul Durrant wrote: > My recent Xen patch series introduces a new HYPERVISOR_memory_op to > support direct priv-mapping of certain guest resources (such as ioreq > pages, used by emulators) by a tools domain, rather than having to access > such resources via the guest P2M. >

[Xen-devel] [PATCH v3] xen/privcmd: add IOCTL_PRIVCMD_MMAP_RESOURCE

2018-04-09 Thread Paul Durrant
My recent Xen patch series introduces a new HYPERVISOR_memory_op to support direct priv-mapping of certain guest resources (such as ioreq pages, used by emulators) by a tools domain, rather than having to access such resources via the guest P2M. This patch adds the necessary infrastructure to the