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When handling guest request, GVT needs to populate/update shadow_ctx with guest context. This behavior needs to make sure the shadow_ctx is pinned. The current implementation is relying on i195 allocate request to pin but this way cannot guarantee the i915 not to unpin the shadow_ctx when GVT update the guest context from shadow_ctx. So GVT should pin/unpin the shadow_ctx by itself. Signed-off-by: Chuanxiao Dong <chuanxiao.dong@intel.com> Signed-off-by: Zhenyu Wang <zhenyuw@linux.intel.com> |
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