diff options
Diffstat (limited to 'drivers/gpu/drm/i915/gvt/page_track.c')
| -rw-r--r-- | drivers/gpu/drm/i915/gvt/page_track.c | 14 |
1 files changed, 4 insertions, 10 deletions
diff --git a/drivers/gpu/drm/i915/gvt/page_track.c b/drivers/gpu/drm/i915/gvt/page_track.c index 3375b51c75f1..20c3cd807488 100644 --- a/drivers/gpu/drm/i915/gvt/page_track.c +++ b/drivers/gpu/drm/i915/gvt/page_track.c @@ -120,7 +120,7 @@ int intel_vgpu_enable_page_track(struct intel_vgpu *vgpu, unsigned long gfn) } /** - * intel_vgpu_enable_page_track - cancel write-protection on guest page + * intel_vgpu_disable_page_track - cancel write-protection on guest page * @vgpu: a vGPU * @gfn: the gfn of guest page * @@ -162,16 +162,12 @@ int intel_vgpu_page_track_handler(struct intel_vgpu *vgpu, u64 gpa, struct intel_vgpu_page_track *page_track; int ret = 0; - mutex_lock(&vgpu->vgpu_lock); - page_track = intel_vgpu_find_page_track(vgpu, gpa >> PAGE_SHIFT); - if (!page_track) { - ret = -ENXIO; - goto out; - } + if (!page_track) + return -ENXIO; if (unlikely(vgpu->failsafe)) { - /* Remove write protection to prevent furture traps. */ + /* Remove write protection to prevent future traps. */ intel_gvt_page_track_remove(vgpu, gpa >> PAGE_SHIFT); } else { ret = page_track->handler(page_track, gpa, data, bytes); @@ -179,7 +175,5 @@ int intel_vgpu_page_track_handler(struct intel_vgpu *vgpu, u64 gpa, gvt_err("guest page write error, gpa %llx\n", gpa); } -out: - mutex_unlock(&vgpu->vgpu_lock); return ret; } |