Re: [Intel-gfx] [PATCH v10 5/9] drm/i915: vgpu context submission pv optimization

2019-09-17 Thread Chris Wilson
Quoting Xiaolin Zhang (2019-09-17 06:48:16) > It is performance optimization to override the actual submisison backend > in order to eliminate execlists csb process and reduce mmio trap numbers > for workload submission without context switch interrupt by talking with > GVT via PV submisison notifi

[Intel-gfx] [PATCH v10 5/9] drm/i915: vgpu context submission pv optimization

2019-09-16 Thread Xiaolin Zhang
It is performance optimization to override the actual submisison backend in order to eliminate execlists csb process and reduce mmio trap numbers for workload submission without context switch interrupt by talking with GVT via PV submisison notification mechanism between guest and GVT. Use PV_SUBM