diff options
| author | Jonathan Gray <jsg@cvs.openbsd.org> | 2023-09-19 12:34:57 +0000 |
|---|---|---|
| committer | Jonathan Gray <jsg@cvs.openbsd.org> | 2023-09-19 12:34:57 +0000 |
| commit | d1ba1622eef8f4a92f65aed60fe81a314e14e98f (patch) | |
| tree | 593e7e57ca2d2f8940b56a95ed5f14a0c3c0459d /sys/dev | |
| parent | aa02726aa01dba85fc1761c0a8c2ba05747215ce (diff) | |
drm/i915/gvt: Put the page reference obtained by KVM's gfn_to_pfn()
From Sean Christopherson
2b7510bb92c1fc19292801778e971cbb46e2499f in linux-6.1.y/6.1.54
708e49583d7da863898b25dafe4bcd799c414278 in mainline linux
Diffstat (limited to 'sys/dev')
| -rw-r--r-- | sys/dev/pci/drm/i915/gvt/gtt.c | 5 |
1 files changed, 4 insertions, 1 deletions
diff --git a/sys/dev/pci/drm/i915/gvt/gtt.c b/sys/dev/pci/drm/i915/gvt/gtt.c index 41c2bb49868..0bc3fe7fca8 100644 --- a/sys/dev/pci/drm/i915/gvt/gtt.c +++ b/sys/dev/pci/drm/i915/gvt/gtt.c @@ -1179,6 +1179,7 @@ static int is_2MB_gtt_possible(struct intel_vgpu *vgpu, { const struct intel_gvt_gtt_pte_ops *ops = vgpu->gvt->gtt.pte_ops; kvm_pfn_t pfn; + int ret; if (!HAS_PAGE_SIZES(vgpu->gvt->gt->i915, I915_GTT_PAGE_SIZE_2M)) return 0; @@ -1192,7 +1193,9 @@ static int is_2MB_gtt_possible(struct intel_vgpu *vgpu, if (!pfn_valid(pfn)) return -EINVAL; - return PageTransHuge(pfn_to_page(pfn)); + ret = PageTransHuge(pfn_to_page(pfn)); + kvm_release_pfn_clean(pfn); + return ret; } static int split_2MB_gtt_entry(struct intel_vgpu *vgpu, |