diff options
| author |   Igor Druzhinin <igor.druzhinin@citrix.com> | 2020-02-03 15:07:01 +0000 |
|---|---|---|
| committer |   Zhenyu Wang <zhenyuw@linux.intel.com> | 2020-02-10 10:04:34 +0800 |
| commit | 0e9d7bb293f3f9c3ee376b126141407efb265f31 (patch) | |
| tree | 220bfcdd02511615f726151f7b2521ff903e857c /drivers | |
| parent | drm/i915/gvt: fix high-order allocation failure on late load (diff) | |
| download | linux-dev-0e9d7bb293f3f9c3ee376b126141407efb265f31.tar.xz linux-dev-0e9d7bb293f3f9c3ee376b126141407efb265f31.zip | |
drm/i915/gvt: more locking for ppgtt mm LRU list
When the lock was introduced in commit 72aabfb862e40 ("drm/i915/gvt: Add mutual
lock for ppgtt mm LRU list") one place got lost.
Fixes: 72aabfb862e4 ("drm/i915/gvt: Add mutual lock for ppgtt mm LRU list")
Signed-off-by: Igor Druzhinin <igor.druzhinin@citrix.com>
Reviewed-by: Zhenyu Wang <zhenyuw@linux.intel.com>
Signed-off-by: Zhenyu Wang <zhenyuw@linux.intel.com>
Link: http://patchwork.freedesktop.org/patch/msgid/1580742421-25194-1-git-send-email-igor.druzhinin@citrix.com
Diffstat (limited to 'drivers')
| -rw-r--r-- | drivers/gpu/drm/i915/gvt/gtt.c | 4 |
1 files changed, 4 insertions, 0 deletions
diff --git a/drivers/gpu/drm/i915/gvt/gtt.c b/drivers/gpu/drm/i915/gvt/gtt.c index 4b04af569c05..7dc7bb850d0a 100644 --- a/drivers/gpu/drm/i915/gvt/gtt.c +++ b/drivers/gpu/drm/i915/gvt/gtt.c @@ -1956,7 +1956,11 @@ void _intel_vgpu_mm_release(struct kref *mm_ref) if (mm->type == INTEL_GVT_MM_PPGTT) { list_del(&mm->ppgtt_mm.list); + + mutex_lock(&mm->vgpu->gvt->gtt.ppgtt_mm_lock); list_del(&mm->ppgtt_mm.lru_list); + mutex_unlock(&mm->vgpu->gvt->gtt.ppgtt_mm_lock); + invalidate_ppgtt_mm(mm); } else { vfree(mm->ggtt_mm.virtual_ggtt); |