Re: [Xen-devel] [PATCH v4 2/6] x86/hvm: Provide XEN_DMOP_relocate_memory

2018-01-24 Thread Paul Durrant
> -Original Message- > From: Jan Beulich [mailto:jbeul...@suse.com] > Sent: 24 January 2018 08:10 > To: Ross Lagerwall > Cc: Andrew Cooper ; Paul Durrant > ; Wei Liu ; George Dunlap > ; Ian Jackson ; > Stefano Stabellini ; xen-de...@lists.xen.org; Konrad > Rzeszutek Wilk ; Tim (Xen.org) >

Re: [Xen-devel] [PATCH v4 2/6] x86/hvm: Provide XEN_DMOP_relocate_memory

2018-01-24 Thread Jan Beulich
>>> On 23.01.18 at 16:22, wrote: > Provide XEN_DMOP_relocate_memory, a limited version of > XENMEM_add_to_physmap to allow a deprivileged QEMU to move VRAM when a > guest programs its BAR. It is equivalent to XENMEM_add_to_physmap with > space == XENMAPSPACE_gmfn_range. > > Signed-off-by: Ross La

[Xen-devel] [PATCH v4 2/6] x86/hvm: Provide XEN_DMOP_relocate_memory

2018-01-23 Thread Ross Lagerwall
Provide XEN_DMOP_relocate_memory, a limited version of XENMEM_add_to_physmap to allow a deprivileged QEMU to move VRAM when a guest programs its BAR. It is equivalent to XENMEM_add_to_physmap with space == XENMAPSPACE_gmfn_range. Signed-off-by: Ross Lagerwall Reviewed-by: Paul Durrant --- Chang