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Commit 7759ca3a authored by Zhipeng Gong's avatar Zhipeng Gong Committed by Zhenyu Wang
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drm/i915/gvt: clear ggtt entries when destroy vgpu 



When one vgpu is destroyed, its ggtt entries are not cleared.
This patch clears ggtt entries to avoid information leak.

v2: add 'Fixes' tag (Zhenyu)

Fixes: 2707e444 ("drm/i915/gvt: vGPU graphics memory virtualization")
Signed-off-by: default avatarZhipeng Gong <zhipeng.gong@intel.com>
Reviewed-by: default avatarHang Yuan <hang.yuan@intel.com>
Signed-off-by: default avatarZhenyu Wang <zhenyuw@linux.intel.com>
parent a1ac5f09

drivers/gpu/drm/i915/gvt/vgpu.c

+1 −0
Original line number Diff line number Diff line
@@ -281,6 +281,7 @@ void intel_gvt_destroy_vgpu(struct intel_vgpu *vgpu) 
	intel_vgpu_clean_submission(vgpu);

	intel_vgpu_clean_display(vgpu);

	intel_vgpu_clean_opregion(vgpu);

	intel_vgpu_reset_ggtt(vgpu, true);

	intel_vgpu_clean_gtt(vgpu);

	intel_gvt_hypervisor_detach_vgpu(vgpu);

	intel_vgpu_free_resource(vgpu);