Re: [Intel-gfx] [PATCH v15 6/7] drm/i915: Introduce GEM proxy

2017-10-10 Thread Zhang, Tina
Wang, Zhi A ; Tian, > Kevin ; dan...@ffwll.ch; kwankh...@nvidia.com > Cc: Daniel Vetter ; intel-gfx@lists.freedesktop.org; > intel-gvt-...@lists.freedesktop.org; linux-ker...@vger.kernel.org > Subject: Re: [Intel-gfx] [PATCH v15 6/7] drm/i915: Introduce GEM proxy > > On Tue, 2017-1

Re: [Intel-gfx] [PATCH v15 6/7] drm/i915: Introduce GEM proxy

2017-10-10 Thread Joonas Lahtinen
On Tue, 2017-10-10 at 13:58 +0300, Joonas Lahtinen wrote: > On Tue, 2017-10-10 at 17:50 +0800, Tina Zhang wrote: > > GEM proxy is a kind of GEM, whose backing physical memory is pinned > > and produced by guest VM and is used by host as read only. With GEM > > proxy, host is able to access guest ph

Re: [Intel-gfx] [PATCH v15 6/7] drm/i915: Introduce GEM proxy

2017-10-10 Thread Joonas Lahtinen
On Tue, 2017-10-10 at 17:50 +0800, Tina Zhang wrote: > GEM proxy is a kind of GEM, whose backing physical memory is pinned > and produced by guest VM and is used by host as read only. With GEM > proxy, host is able to access guest physical memory through GEM object > interface. As GEM proxy is such

[Intel-gfx] [PATCH v15 6/7] drm/i915: Introduce GEM proxy

2017-10-10 Thread Tina Zhang
GEM proxy is a kind of GEM, whose backing physical memory is pinned and produced by guest VM and is used by host as read only. With GEM proxy, host is able to access guest physical memory through GEM object interface. As GEM proxy is such a special kind of GEM, a new flag I915_GEM_OBJECT_IS_PROXY i