diff options
| author |   Zhipeng Gong <zhipeng.gong@intel.com> | 2018-09-17 15:45:08 +0800 |
|---|---|---|
| committer |   Zhenyu Wang <zhenyuw@linux.intel.com> | 2018-09-18 10:39:44 +0800 |
| commit | 7759ca3aac79648d01c9edcb3b00503c02bec2f5 (patch) | |
| tree | b9bf0ec28c84f7d14212cc0d645cad75c107c2c6 /drivers/gpu/drm/i915/gvt/vgpu.c | |
| parent | drm/i915/gvt: request srcu_read_lock before checking if one gfn is valid (diff) | |
| download | wireguard-linux-7759ca3aac79648d01c9edcb3b00503c02bec2f5.tar.xz wireguard-linux-7759ca3aac79648d01c9edcb3b00503c02bec2f5.zip | |
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: 2707e4446688 ("drm/i915/gvt: vGPU graphics memory virtualization")
Signed-off-by: Zhipeng Gong <zhipeng.gong@intel.com>
Reviewed-by: Hang Yuan <hang.yuan@intel.com>
Signed-off-by: Zhenyu Wang <zhenyuw@linux.intel.com>
Diffstat (limited to 'drivers/gpu/drm/i915/gvt/vgpu.c')
| -rw-r--r-- | drivers/gpu/drm/i915/gvt/vgpu.c | 1 |
1 files changed, 1 insertions, 0 deletions
diff --git a/drivers/gpu/drm/i915/gvt/vgpu.c b/drivers/gpu/drm/i915/gvt/vgpu.c index a4e8e3cf74fd..c628be05fbfe 100644 --- a/drivers/gpu/drm/i915/gvt/vgpu.c +++ b/drivers/gpu/drm/i915/gvt/vgpu.c @@ -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); |