drm/i915/gvt: Refine the intel_vgpu_mm reference management

If we manage an object with a reference count, then its life cycle
must flow the reference count operations. Meanwhile, change the
operation functions to generic name *put* and *get*.

Signed-off-by: Changbin Du <changbin.du@intel.com>
Signed-off-by: Zhenyu Wang <zhenyuw@linux.intel.com>
This commit is contained in:
Changbin Du
2018-01-30 19:19:41 +08:00
zatwierdzone przez Zhenyu Wang
rodzic ede9d0cfcb
commit 1bc258519d
3 zmienionych plików z 25 dodań i 19 usunięć

Wyświetl plik

@@ -191,7 +191,23 @@ extern int intel_vgpu_mm_set_entry(
struct intel_vgpu_mm *intel_vgpu_create_ppgtt_mm(struct intel_vgpu *vgpu,
intel_gvt_gtt_type_t root_entry_type, u64 pdps[]);
extern void intel_vgpu_destroy_mm(struct kref *mm_ref);
static inline void intel_vgpu_mm_get(struct intel_vgpu_mm *mm)
{
kref_get(&mm->ref);
}
void _intel_vgpu_mm_release(struct kref *mm_ref);
static inline void intel_vgpu_mm_put(struct intel_vgpu_mm *mm)
{
kref_put(&mm->ref, _intel_vgpu_mm_release);
}
static inline void intel_vgpu_destroy_mm(struct intel_vgpu_mm *mm)
{
intel_vgpu_mm_put(mm);
}
struct intel_vgpu_guest_page;
@@ -283,16 +299,6 @@ int intel_vgpu_sync_oos_pages(struct intel_vgpu *vgpu);
int intel_vgpu_flush_post_shadow(struct intel_vgpu *vgpu);
static inline void intel_gvt_mm_reference(struct intel_vgpu_mm *mm)
{
kref_get(&mm->ref);
}
static inline void intel_gvt_mm_unreference(struct intel_vgpu_mm *mm)
{
kref_put(&mm->ref, intel_vgpu_destroy_mm);
}
int intel_vgpu_pin_mm(struct intel_vgpu_mm *mm);
void intel_vgpu_unpin_mm(struct intel_vgpu_mm *mm);