diff options
| author | Jike Song <jike.song@intel.com> | 2016-12-16 05:51:06 +0300 |
|---|---|---|
| committer | Zhenyu Wang <zhenyuw@linux.intel.com> | 2016-12-26 04:45:29 +0300 |
| commit | 364fb6b789ffce44c1b5429086c47b0df6c36aff (patch) | |
| tree | 92a2937bb6db3d07dd245c7a7f84a3fa1127f8be /drivers/gpu/drm/i915/gvt/gvt.h | |
| parent | faaaa53bdc6750c438887d44f99b60ad97ec74b4 (diff) | |
| download | linux-364fb6b789ffce44c1b5429086c47b0df6c36aff.tar.xz | |
drm/i915/gvt/kvmgt: prevent double-release of vgpu
The release action might be triggered from either user's closing
mdev or the detaching event of kvm and vfio_group, so this patch
introduces an atomic to prevent double-release.
Signed-off-by: Jike Song <jike.song@intel.com>
Signed-off-by: Zhenyu Wang <zhenyuw@linux.intel.com>
Diffstat (limited to 'drivers/gpu/drm/i915/gvt/gvt.h')
| -rw-r--r-- | drivers/gpu/drm/i915/gvt/gvt.h | 1 |
1 files changed, 1 insertions, 0 deletions
diff --git a/drivers/gpu/drm/i915/gvt/gvt.h b/drivers/gpu/drm/i915/gvt/gvt.h index ad0e9364ee70..0af17016f33f 100644 --- a/drivers/gpu/drm/i915/gvt/gvt.h +++ b/drivers/gpu/drm/i915/gvt/gvt.h @@ -175,6 +175,7 @@ struct intel_vgpu { struct notifier_block group_notifier; struct kvm *kvm; struct work_struct release_work; + atomic_t released; } vdev; #endif }; |