UbiquitousOS
/
OpenCloudOS-Kernel
mirror of https://gitee.com/OpenCloudOS/OpenCloudOS-Kernel.git
11
0
Fork 0
Code Issues Projects Releases Wiki Activity

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>
This commit is contained in:
Paolo Bonzini 2021-02-08 06:29:28 -05:00
parent a8ac864a7d
commit e36b250e50
1 changed files with 6 additions and 6 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

12
drivers/gpu/drm/i915/gvt/kvmgt.c
View File

@ -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)