diff options
| author |   Paolo Bonzini <pbonzini@redhat.com> | 2021-02-08 06:29:28 -0500 |
|---|---|---|
| committer | Paolo Bonzini <pbonzini@redhat.com> | 2021-02-08 06:32:57 -0500 |
| commit | e36b250e502a6145fa95a3d93af83ba66fc6ae1b (patch) | |
| tree | 0f9d7139295f04683fc3b83865bb917d4b3a42de /drivers/gpu/drm/i915/gvt | |
| parent | KVM: x86: Add helper to consolidate "raw" reserved GPA mask calculations (diff) | |
| download | linux-dev-e36b250e502a6145fa95a3d93af83ba66fc6ae1b.tar.xz linux-dev-e36b250e502a6145fa95a3d93af83ba66fc6ae1b.zip | |
i915: kvmgt: the KVM mmu_lock is now an rwlock
Adjust the KVMGT page tracking callbacks.
Cc: Zhenyu Wang <zhenyuw@linux.intel.com>
Cc: Zhi Wang <zhi.a.wang@intel.com>
Cc: intel-gvt-dev@lists.freedesktop.org
Cc: intel-gfx@lists.freedesktop.org
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
Diffstat (limited to 'drivers/gpu/drm/i915/gvt')
| -rw-r--r-- | drivers/gpu/drm/i915/gvt/kvmgt.c | 12 |
1 files changed, 6 insertions, 6 deletions
diff --git a/drivers/gpu/drm/i915/gvt/kvmgt.c b/drivers/gpu/drm/i915/gvt/kvmgt.c index 60f1a386dd06..b4348256ae95 100644 --- a/drivers/gpu/drm/i915/gvt/kvmgt.c +++ b/drivers/gpu/drm/i915/gvt/kvmgt.c @@ -1703,7 +1703,7 @@ static int kvmgt_page_track_add(unsigned long handle, u64 gfn) return -EINVAL; } - spin_lock(&kvm->mmu_lock); + write_lock(&kvm->mmu_lock); if (kvmgt_gfn_is_write_protected(info, gfn)) goto out; @@ -1712,7 +1712,7 @@ static int kvmgt_page_track_add(unsigned long handle, u64 gfn) kvmgt_protect_table_add(info, gfn); out: - spin_unlock(&kvm->mmu_lock); + write_unlock(&kvm->mmu_lock); srcu_read_unlock(&kvm->srcu, idx); return 0; } @@ -1737,7 +1737,7 @@ static int kvmgt_page_track_remove(unsigned long handle, u64 gfn) return -EINVAL; } - spin_lock(&kvm->mmu_lock); + write_lock(&kvm->mmu_lock); if (!kvmgt_gfn_is_write_protected(info, gfn)) goto out; @@ -1746,7 +1746,7 @@ static int kvmgt_page_track_remove(unsigned long handle, u64 gfn) kvmgt_protect_table_del(info, gfn); out: - spin_unlock(&kvm->mmu_lock); + write_unlock(&kvm->mmu_lock); srcu_read_unlock(&kvm->srcu, idx); return 0; } @@ -1772,7 +1772,7 @@ static void kvmgt_page_track_flush_slot(struct kvm *kvm, struct kvmgt_guest_info *info = container_of(node, struct kvmgt_guest_info, track_node); - spin_lock(&kvm->mmu_lock); + write_lock(&kvm->mmu_lock); for (i = 0; i < slot->npages; i++) { gfn = slot->base_gfn + i; if (kvmgt_gfn_is_write_protected(info, gfn)) { @@ -1781,7 +1781,7 @@ static void kvmgt_page_track_flush_slot(struct kvm *kvm, kvmgt_protect_table_del(info, gfn); } } - spin_unlock(&kvm->mmu_lock); + write_unlock(&kvm->mmu_lock); } static bool __kvmgt_vgpu_exist(struct intel_vgpu *vgpu, struct kvm *kvm) |